Daftar spesies Euphorbia

**[[Euphorbia]]** adalah tumbuhan yang sangat beragam genus, yang terdiri dari sekitar 5.000 taksa yang saat ini diterima.

Ini adalah **daftar** menurut abjad dari spesies **Euphorbia**' dan taksa inferior yang terkenal.

Daftar ini mencakup genus **Chamaesyce** yang sebelumnya (dan tidak pernah diterima secara umum), serta marga terkait **Elaeophorbia**, **Endadenium**, **Monadenium**, *Synadenium* dan *Pedilanthus* yang menurut studi sekuens DNA berbasis filogenetik baru-baru ini semuanya bersarang di dalam *Euphorbia*

Secara nyata tanaman sukulen ditandai dengan (s).

Berikut ini merupakan daftar tanaman yng termasuk kedalam genus *[[Euphorbia]]*, famili Euphorbiaceae (Suku Kastuba-kastubaan):

## A
**[[Euphorbia aaron-rossii]]* A.H. Holmgren & N.H. Holmgren&nbsp;
**[[Euphorbia abdelkuri]]* Balf.f. 
**[[Euphorbia abdita]]* (Burch.) Radcl.-Sm.
**[[Euphorbia abdulghafooriana]]* Abedin
**[[Euphorbia abramsiana]]* L.C. Wheeler
**[[Euphorbia abyssinica]]* J.F. Gmel. 
**[[Euphorbia acalyphoides]]* Hochst. ex Boiss.
***Euphorbia acalyphoides* ssp. *acalyphoides*
***Euphorbia acalyphoides* ssp. *cicatricosa* S.Carter
**[[Euphorbia acanthodes]]* Akhani 
**[[Euphorbia acanthothamnos]]* Heldr. & Sart.&nbsp;
**[[Euphorbia acerensis]]* Boiss.
**[[Euphorbia acervata]]* S.Carter 
**[[Euphorbia actinoclada]]* S.Carter 
**[[Euphorbia aculeata]]* Forssk. 
**[[Euphorbia adenochila]]* S.Carter 
**[[Euphorbia adenochlora]]* C.Morren & Decne.
**[[Euphorbia adenopoda]]* Baillon 
***Euphorbia adenopoda* ssp. *adenopoda* 
***Euphorbia adenopoda* ssp. *canescens* (Proctor) Oudejans 
***Euphorbia adenopoda* ssp. *gundlachii* (Urb.) Oudejans 
***Euphorbia adenopoda* ssp. *pergamena* (Small) Oudejans
**[[Euphorbia adenoptera]]* Bertol.
**[[Euphorbia adiantoides]]* Lam.
**[[Euphorbia adjurana]]* P.R.O.Bally & S.Carter (s)
**[[Euphorbia aellenii]]* Rech.f.
**[[Euphorbia aequoris]]* N.E.Br. 
**[[Euphorbia aeruginosa]]* Schweick. 
**[[Euphorbia aggregata]]* A.Berger 
***Euphorbia aggregata* var. *aggregata* 
***Euphorbia aggregata* var. *alternicolor*  (N.E.Br.) A.C.White, R.A.Dyer & B.Sloane
**[[Euphorbia agowensis]]* Hochst. ex Boiss. 
***Euphorbia agowensis* var. *agowensis* 
***Euphorbia agowensis* var. *pseudoholstii*  (Pax) P.R.O.Bally & S.Carter 
**[[Euphorbia agraria]]* M.Bieb. &nbsp;
***Euphorbia agraria* var. *agraria*
***Euphorbia agraria* var. *euboea* (Halácsy) Hayek
***Euphorbia agraria* var. *subhastata* (De Vis) Griseb.
**[[Euphorbia akenocarpa]]* Guss.
**[[Euphorbia alaica]]* (Prokh.) Prokh.
**[[Euphorbia alainii]]* Oudejans
**[[Euphorbia alata]]* Hook. 
**[[Euphorbia alatavica]]* Boiss.
**[[Euphorbia alatocaulis]]* V.W.Steinm. & Felger
**[[Euphorbia albanica]]* N.E.Br. 
**[[Euphorbia albertensis]]* N.E.Br. 
**[[Euphorbia albiflora]]* Taub.
**[[Euphorbia albipollinifera]]* L.C.Leach 
**[[Euphorbia albomarginata]]*&nbsp;
**[[Euphorbia alcicornis]]* Baker (s)
**[[Euphorbia aleppica]]* L.
***Euphorbia aleppica* var. *aleppica*
***Euphorbia aleppica* var. *prostrata* Kasapligil
**[[Euphorbia alfredii]]* Rauh 
**[[Euphorbia allocarpa]]* S.Carter
**[[Euphorbia alluaudii]]* Drake
**[[Euphorbia alpina]]* C.A.Mey. ex Ledeb.
***Euphorbia alpina* var. *alpina*
***Euphorbia alpina* var. *rupicola* Baikov
**[[Euphorbia alsiniflora]]* Baillon
**[[Euphorbia alsinifolia]]* Boiss.
**[[Euphorbia alsinoides]]* Miq.
**[[Euphorbia alta]]* Norton
**[[Euphorbia altaica]]* C.A.Mey. ex Ledeb.
***Euphorbia altaica* var. *altaica*
***Euphorbia altaica* var. *pilosa* Stschegl.
***Euphorbia altaica* var. *sajanensis* Boiss.
**[[Euphorbia altissima]]* Boiss.
***Euphorbia altissima* var. *altissima*
***Euphorbia altissima* var. *glabrescens*  M.S.Khan
**[[Euphorbia altotibetica]]* Paulsen ex Ostenf. & Paulsen
**[[Euphorbia amandii]]* Oudejans
**[[Euphorbia amarifontana]]* N.E.Br. 
**[[Euphorbia ambacensis]]* N.E.Br.
**[[Euphorbia ambarivatoensis]]* Rauh & Bard.-Vauc. 
**[[Euphorbia ambovombensis]]* Rauh & Razaf. 
***Euphorbia ambovombensis* var. *ambovombensis* 
***Euphorbia ambovombensis* var. *ambatomenaensis* Rebmann 
**[[Euphorbia ambroseae]]* L.C.Leach 
***Euphorbia ambroseae* var. *ambroseae* 
***Euphorbia ambroseae* var. *spinosa* L.C.Leach 
**[[Euphorbia ambukensis]]* Stepanov
**[[Euphorbia amicorum]]* S.Carter 
**[[Euphorbia ammak]]* Schweinf. 
**[[Euphorbia ammatotricha]]* Boiss.
**[[Euphorbia ammophila]]* S.Carter & Dioli
**[[Euphorbia amphimalaca]]* Standl.
**[[Euphorbia amplexicaulis]]* Hook.f.
**[[Euphorbia ampliphylla]]* Pax 
**[[Euphorbia amygdaloides]]* L.&nbsp;– Wood spurge
***Euphorbia amygdaloides* ssp. *amygdaloides*
****Euphorbia amygdaloides* ssp. *amygdaloides* var. *amygdaloides*
****Euphorbia amygdaloides* ssp. *amygdaloides* var. *ligulata* (Chaub.) Boiss. 1862 
***Euphorbia amygdaloides* ssp. *arbuscula* Meusel
***Euphorbia amygdaloides* ssp. *heldreichii* (Orph. ex Boiss.) Aldén
***Euphorbia amygdaloides* ssp. *robbiae* (Turrill) Radcl.-Sm.
***Euphorbia amygdaloides* ssp. *semiperfoliata* (Viv.) Radcl.-Sm.
**[[Euphorbia anacampseros]]* Boiss.
***Euphorbia anacampseros* var. *anacampseros*
***Euphorbia anacampseros* var. *tmolea* M.S.Khan
**[[Euphorbia anachoreta]]* Svent. 
**[[Euphorbia analalavensis]]* Leandri1966 
**[[Euphorbia analamerae]]* Leandri1945
**[[Euphorbia analavelonensis]]* Rauh & Mangelsdorff
**[[Euphorbia andrachnoides]]* Schrenk
**[[Euphorbia androsaemifolia]]* Willd. ex Schltdl.
**[[Euphorbia angrae]]* N.E.Br. 
**[[Euphorbia angularis]]* Klotzsch 
**[[Euphorbia angulata]]* Jacq.
**[[Euphorbia angusta]]*  Engelm. 
**[[Euphorbia angustiflora]]* Pax 
**[[Euphorbia anisopetala]]* (Prokh.) Prokh.
**[[Euphorbia ankaranae]]* Leandri 
**[[Euphorbia ankarensis]]* Boiteau 
**[[Euphorbia ankazobensis]]* Rauh & Hofstätter 
**[[Euphorbia annamarieae]]* Rauh 
**[[Euphorbia anoplia]]* Stapf 
**[[Euphorbia anthonyi]]* Brandegee (= *Chamaesyce anthonyi*)
**[[Euphorbia anthula]]* Lavrent. & Papan.
**[[Euphorbia antilibanotica]]* Mouterde
**[[Euphorbia antiquorum]]* L. 
**[[Euphorbia antisyphilitica]]* &nbsp;
**[[Euphorbia antonii]]* Oudejans
**[[Euphorbia antso]]* Denis 
**[[Euphorbia anychioides]]* Boiss.
**[[Euphorbia apatzingana]]* McVaugh
**[[Euphorbia aphylla]]* Brouss. ex Willd.&nbsp;– Leafless spurge, tolda (s)
**[[Euphorbia apicata]]* L.C.Wheeler
**[[Euphorbia apios]]* L.
**[[Euphorbia apocynoides]]* Klotzsch
**[[Euphorbia appariciana]]* Rizzini
**[[Euphorbia appendiculata]]* P.R.O.Bally & S.Carter ex S.Carter
**[[Euphorbia applanata]]* Thulin & Al-Gifri
**[[Euphorbia aprica]]* Baillon 
**[[Euphorbia apurimacensis]]* Croizat
**[[Euphorbia arabica]]* Hochst. & Steud. ex T.Anderson
**[[Euphorbia arabicoides]]* N.E.Br.
**[[Euphorbia arahaka]]* H.Poisson 
**[[Euphorbia araucana]]* Phil.
**[[Euphorbia arbuscula]]* Balf.f. 
***Euphorbia arbuscula* var. *arbuscula* 
***Euphorbia arbuscula* var. *Montana* Balf.f. 
**[[Euphorbia arceuthobioides]]* Boiss. 
**[[Euphorbia ardonensis]]* Galushko
**[[Euphorbia arenaria]]* Kunth
**[[Euphorbia arenarioides]]* Gagnep.
**[[Euphorbia argillosa]]* Chodat & E.Hassler
**[[Euphorbia arguta]]* Banks & Sol.
***Euphorbia arguta* var. *arguta*
***Euphorbia arguta* var. *dasycarpa* Plitmann
**[[Euphorbia arida]]* N.E.Br. 
**[[Euphorbia ariensis]]* Kunth
***Euphorbia ariensis* var. *ariensis*
***Euphorbia ariensis* var. *villicaulis* Fernald
**[[Euphorbia aristata]]* Schmalh.
**[[Euphorbia arizonica]]* Engelm.
**[[Euphorbia armena]]* Prokh.
**[[Euphorbia armourii]]* Millsp.
**[[Euphorbia armstrongiana]]* Boiss.
**[[Euphorbia arnottiana]]* Endl.
**[[Euphorbia arrecta]]* N.E.Br. ex R.E.Fr. 
**[[Euphorbia arteagae]]* W.R.Buck & Huft 
**[[Euphorbia articulata]]* Burm. 
**[[Euphorbia artifolia]]* N.E.Br.
**[[Euphorbia arundelana]]* Bartlett
**[[Euphorbia arvalis]]* Boiss. & Heldr. ex Boiss.
***Euphorbia arvalis* ssp. *arvalis*
***Euphorbia arvalis* ssp. *longistyla*  (Litard. & Maire) Molero, Rovira & J.Vicens
**[[Euphorbia asclepiadea]]* Milne-Redh. 
**[[Euphorbia aserbajdzhanica]]* Bordz.
**[[Euphorbia aspericaulis]]* Pax 
**[[Euphorbia asthenacantha]]* S.Carter 
**[[Euphorbia astroites]]* Fisch. & C.A.Mey.
**[[Euphorbia astrophora]]* Marx 
**[[Euphorbia astyla]]* Engelm. ex Boiss.
**[[Euphorbia atlantis]]* Maire
***Euphorbia atlantis* var. *atlantis*
***Euphorbia atlantis* var. *leiocarpa* (Boiss.) Oudejans
***Euphorbia atlantis* var. *major* (Boiss.) Oudejans
**[[Euphorbia atoto]]* G.Forst. 
**[[Euphorbia atrispina]]* N.E.Br. 
***Euphorbia atrispina* var. *atrispina* 
***Euphorbia atrispina* var. *viridis* A.C.White, R.A.Dyer & B.Sloane 
**[[Euphorbia atrocarmesina]]* L.C.Leach 
***Euphorbia atrocarmesina* ssp. *arborea* L.C.Leach 
***Euphorbia atrocarmesina* ssp. *atrocarmesina* 
**[[Euphorbia atrococca]]* A.Heller
**[[Euphorbia atroflora]]* S.Carter 
**[[Euphorbia atropurpurea]]* Brouss. ex Willd. 
***Euphorbia atropurpurea* var. *atropurpurea* 
****Euphorbia atropurpurea* var. *atropurpurea* f. *atropurpurea* 
****Euphorbia atropurpurea* var. *atropurpurea* f. *lutea* A.Santos 
***Euphorbia atropurpurea* var. *modesta* Svent. 
**[[Euphorbia atrox]]* S.Carter 
**[[Euphorbia attastoma]]* Rizzini 
***Euphorbia attastoma* var. *attastoma* 
***Euphorbia attastoma* var. *xanthochlora* Rizzini
**[[Euphorbia aucheri]]* Boiss.
**[[Euphorbia aulacosperma]]* Boiss.
**[[Euphorbia aureoviridiflora]]* (Rauh) Rauh 
**[[Euphorbia auricularia]]* Boiss.
**[[Euphorbia australis]]* Boiss.
**[[Euphorbia austriaca]]* A.Kern.
**[[Euphorbia austroanatolica]]* Hub.Mor. & M.S.Khan ex M.S.Khan
**[[Euphorbia avasmontana]]* Dinter 
***Euphorbia avasmontana* var. *avasmontana* 
***Euphorbia avasmontana* var. *sagittaria* (Marloth) A.C.White, R.A.Dyer & B.Sloane 
**[[Euphorbia awashensis]]* M.G.Gilbert
**[[Euphorbia azorica]]* Hochst. ex Seub. 

## B
**[[Euphorbia baga]]* A.Chev. 
***[[Euphorbia baga var. baga]]*
***[[Euphorbia baga var. parviflora]]* L.E.Newton 
**[[Euphorbia bahiensis]]* (Klotzsch & Garcke ex Klotzsch) Boiss.
**[[Euphorbia baioensis]]* S.Carter 
**[[Euphorbia balakrishnanii]]* Binojk. & Gopalan
**[[Euphorbia balearica]]* (Willk.) A.M.Romo
**[[Euphorbia baleensis]]* M.G.Gilbert
**[[Euphorbia balbisii]]* Boiss.
**[[Euphorbia baliola]]* N.E.Br. 
**[[Euphorbia ballyana]]* Rauh 
**[[Euphorbia ballyi]]* S.Carter 
**[[Euphorbia balsamifera]]*  Aiton 
***[[Euphorbia balsamifera ssp. adenensis]]*  (Deflers) P.R.O.Bally 
***[[Euphorbia balsamifera ssp. balsamifera]]* 
**[[Euphorbia banae]]* Rauh 
**[[Euphorbia baradii]]* S.Carter 
**[[Euphorbia barbicarina]]* (Millsp.) Standl.
**[[Euphorbia barbicollis]]* P.R.O.Bally 
**[[Euphorbia bariensis]]* S.Carter 
**[[Euphorbia barkeri]]* Urb. & Ekman ex Urb.
**[[Euphorbia barnardii]]* A.C.White, R.A.Dyer & B.Sloane 
**[[Euphorbia barnesii]]* (Millsp.) Oudejans
**[[Euphorbia barnhartii]]* Croizat 
**[[Euphorbia barrelieri]]* Savi
**[[Euphorbia bartolomaei]]* Greene
**[[Euphorbia basarabica]]* Prodan
**[[Euphorbia baselicis]]* Ten.
**[[Euphorbia baueri]]* Engelm. ex Boiss.
**[[Euphorbia baumii]]* Pax
**[[Euphorbia baxanica]]* Galushko
**[[Euphorbia bayeri]]* L.C.Leach 
**[[Euphorbia baylissii]]* L.C.Leach 
**[[Euphorbia beamanii]]* M.C.Johnst.
**[[Euphorbia beharensis]]* Leandri 
***[[Euphorbia beharensis var. adpressifolia]]* Rauh
***[[Euphorbia beharensis var. beharensis]]* 
***[[Euphorbia beharensis var. gullemetii]]*  (Ursch & Leandri) Rauh 
***[[Euphorbia beharensis var. squarrosa]]* Rauh 
***[[Euphorbia beharensis var. truncata]]* Rauh 
**[[Euphorbia beillei]]* A.Chev. 
**[[Euphorbia bellica]]* Hiern
**[[Euphorbia bemarahaensis]]* Rauh & Mangelsdorff 
**[[Euphorbia benoistii]]* Leandri
**[[Euphorbia benthami]]* Hiern
**[[Euphorbia bergeri]]* N.E.Br. 
**[[Euphorbia bergii]]* A.C.White, R.A.Dyer & B.Sloane 
**[[Euphorbia berorohae]]* Rauh & Hofstätter 
**[[Euphorbia berotica]]* N.E.Br. 
**[[Euphorbia bertemariae]]* Bisseret & Dioli 
**[[Euphorbia berteroana]]* Balb. ex Spreng.
**[[Euphorbia berthelotii]]* Bolle ex Boiss. 
**[[Euphorbia berythae]]* Boiss. & Blanche ex Boiss.
**[[Euphorbia bessarabica]]* Klokov
**[[Euphorbia besseri]]* (Klotzsch & Garcke ex Klotzsch) Boiss.
**[[Euphorbia betacea]]* Baillon 
**[[Euphorbia betulicortex]]* M.G.Gilbert 
**[[Euphorbia bevilaniensis]]* Croizat
**[[Euphorbia biaculeata]]* Denis 
**[[Euphorbia bianoensis]]* (Malaisse & Lecron) Bruyns (= *Monadenium bianoense*)
**[[Euphorbia bicapitata]]* Brandegee
**[[Euphorbia bicolor]]* Engelm. & A.Gray 
**[[Euphorbia bicompacta]]* Bruyns (= *Synadenium compactum*)
***[[Euphorbia bicompacta var. bicompacta]]* (= *Synadenium compactum* var. *compactum*)
***[[Euphorbia bicompacta var. rubra]]* (S.Carter) Bruyns 2006  (= *Synadenium compactum* var. *rubrum*)
**[[Euphorbia biconvexa]]* Domin
**[[Euphorbia bifida]]*Hook. & Arn.
**[[Euphorbia bifurcata]]* Engelm. - Forked spurge
**[[Euphorbia biharamulensis]]* S.Carter 
**[[Euphorbia bilobata]]* Engelm. - Blackseed spurge
**[[Euphorbia biramensis]]* Urb.
**[[Euphorbia biselegans]]* Bruyns (= *Monadenium elegans*)
**[[Euphorbia bisellenbeckii]]* Bruyns (= *Monadenium ellenbecki*)
**[[Euphorbia bisglobosa]]* Bruyns (= *Monadenium globosum*)
**[[Euphorbia bitataensis]]* M.G.Gilbert
**[[Euphorbia biumbellata]]* Poir. 
**[[Euphorbia biuncialis]]* McVaugh
**[[Euphorbia bivonae]]* Steud.
***[[Euphorbia bivonae ssp. bivonae]]* 
***[[Euphorbia bivonae ssp. tunetana]]* Murb. 
**[[Euphorbia blatteri]]* Oudejans
**[[Euphorbia blepharophylla]]* C.A.Mey. 
**[[Euphorbia bodenghieniae]]* (Malaisse & Lecron) Bruyns (= *Monadenium bodenghieniae*)
**[[Euphorbia blodgettii]]* Engelm. ex Hitchc.
**[[Euphorbia boerrhavifolia]]* (Klotzsch & Garcke ex Klotzsch) Boiss.
**[[Euphorbia boetica]]* Boiss.
**[[Euphorbia boinensis]]* Denis ex Humbert & Leandri
**[[Euphorbia boissieri]]* Baillon 
**[[Euphorbia boissieriana]]* (Woronow) Prokh.
**[[Euphorbia boiteaui]]* Leandri 1946
**[[Euphorbia boivinii]]* Boiss.
**[[Euphorbia boliviana]]* Rusby
**[[Euphorbia bolosii]]* (Molero & Rovira) Molero & Rovira
**[[Euphorbia bolusii]]* N.E.Br. 
**[[Euphorbia bombensis]]* Jacq.
**[[Euphorbia bongensis]]* Kotschy & Peyr. ex Boiss.
**[[Euphorbia bongolavensis]]* Rauh 
**[[Euphorbia bonpaldii]]* Sweet
**[[Euphorbia boophthona]]* C.A.Gardner
**[[Euphorbia borbonica]]* Boiss.
**[[Euphorbia borealis]]* Baikov
**[[Euphorbia borenensis]]* M.G.Gilbert ex S.Carter & M.G.Gilbert 
**[[Euphorbia borodini]]* Sambuk
**[[Euphorbia bosseri]]* Leandri 
**[[Euphorbia bothae]]* Lotsy & Goddijn (hybrid) 
**[[Euphorbia bottae]]* Boiss. 1862  
**[[Euphorbia bougheyi]]* L.C.Leach 
**[[Euphorbia bouleyi]]* S.Moore
**[[Euphorbia bourgaeana]]* J.Gay ex Boiss. 
**[[Euphorbia brachiata]]* (Klotzsch & Garcke) E.Mey. ex Boiss. 
**[[Euphorbia brachycera]]* Engelm. 
**[[Euphorbia brachyphylla]]* Denis
**[[Euphorbia bracteata]]* Jacq. (= *Pedilanthus bracteatus*)
**[[Euphorbia bracteolaris]]* Boiss.
**[[Euphorbia brakdamensis]]* N.E.Br.
**[[Euphorbia brandegei]]* Millsp.
**[[Euphorbia brassii]]* P.I.Forst. 
**[[Euphorbia braunsii]]* N.E.Br.
**[[Euphorbia bravoana]]* Svent.
**[[Euphorbia breviarticulata]]* Pax
***[[Euphorbia breviarticulata var. breviarticulata]]* 
***[[Euphorbia breviarticulata var. trunciformis]]* S.Carter 
**[[Euphorbia brevicornu]]* Pax
**[[Euphorbia brevirama]]* N.E.Br. 
**[[Euphorbia brevis]]* N.E.Br. 
**[[Euphorbia brevitorta]]* P.R.O.Bally 
**[[Euphorbia briquetii]]* Emb. & Maire
**[[Euphorbia brittonii]]* Millsp. 
**[[Euphorbia broteri]]* Daveau
**[[Euphorbia brownii]]* Baillon
**[[Euphorbia brunellii]]* Chiov. 
**[[Euphorbia bruntii]]* (Proctor) Oudejans
**[[Euphorbia bruynsii]]* L.C.Leach
**[[Euphorbia bryophylla]]* Donn.Sm.
**[[Euphorbia bubalina]]* Boiss. 
**[[Euphorbia buchtormensis]]* C.A.Mey. ex Ledeb.
**[[Euphorbia buhsei]]* Boiss.
**[[Euphorbia bulbispina]]* Rauh & & Razaf. 
**[[Euphorbia bulleyana]]* Diels
**[[Euphorbia bungei]]* Boiss.
**[[Euphorbia bupleurifolia]]* Jacq. 
**[[Euphorbia bupleuroides]]* Desf.
**[[Euphorbia burchellii]]* Müll.Arg.
**[[Euphorbia burgeri]]* M.G.Gilbert;; 
**[[Euphorbia burmanica]]* Hook.f.
**[[Euphorbia burmannii]]*  (Klotzsch & Garcke) E.Mey. ex Boiss. 
**[[Euphorbia buruana]]* Pax 
**[[Euphorbia buschiana]]* Grossh.
**[[Euphorbia bussei]]* Pax 
***[[Euphorbia bussei var. bussei]]* 
***[[Euphorbia bussei var. kibwezensis]]*  (N.E.Br.) S.Carter 
**[[Euphorbia buxoides]]* Radcl.-Sm. 
**[[Euphorbia bwambensis]]* S.Carter

## C
**[[Euphorbia cactus]]* Ehrenb. ex Boiss. 
***[[Euphorbia cactus var. cactus]]* 
***[[Euphorbia cactus var. tortirama]]* Rauh & Lavranos 
**[[Euphorbia caducifolia]]* Haines 
**[[Euphorbia caecorum]]* Mart. ex Boiss.
**[[Euphorbia caeladenia]]* Boiss.
**[[Euphorbia caerulans]]* Pax 
**[[Euphorbia caesia]]* Kar. & Kir.
**[[Euphorbia caespitosa]]* Lam.
**[[Euphorbia calabarica]]* Burkill
**[[Euphorbia calamiformis]]* P.R.O.Bally & S.Carter
**[[Euphorbia calcarata]]* (Schltdl.) V.W.Steinm. (= *Pedilanthus calcaratus*)
**[[Euphorbia calcicola]]* Fernald
**[[Euphorbia californica]]* Benth. 
***[[Euphorbia californica var. californica]]*
***[[Euphorbia californica var. hindsiana]]* (Benth.) Wiggins 
**[[Euphorbia caloderma]]* S.Carter
**[[Euphorbia calonesica]]* Croizat
**[[Euphorbia calva]]* N.E.Br.
**[[Euphorbia calyculata]]* Kunth 
**[[Euphorbia calyptrata]]* Coss. & Durieu ex Coss. & Kralik
**[[Euphorbia camagueyensis]]* (Millsp.) Urb.
**[[Euphorbia cameronii]]* N.E.Br. 
**[[Euphorbia canariensis]]* L. 
**[[Euphorbia candelabrum]]* (Kotschy
***[[Euphorbia candelabrum var. bilocularis]]* (N.E.Br.) S.Carter 
***[[Euphorbia candelabrum var. candelabrum]]* 
**[[Euphorbia cannellii]]* L.C.Leach 
**[[Euphorbia capansa]]* Ducke
**[[Euphorbia caperonioides]]* R.A.Dyer & P.G.Meyer
**[[Euphorbia capillaris]]* Gagnep.
**[[Euphorbia capitellata]]* Engelm.
**[[Euphorbia capitulata]]* Rchb.
**[[Euphorbia capmanambatoensis]]* Rauh
**[[Euphorbia cap-saintemariensis]]* Rauh 
**[[Euphorbia capuronii]]* Ursch & Leandri
**[[Euphorbia caput-aureum]]* Denis
**[[Euphorbia caput-medusae]]* L. 
**[[Euphorbia caracasana]]*  (Klotzsch & Garcke) Boiss. 
**[[Euphorbia cardiophylla]]* Boiss. & Heldr. ex Boiss.
**[[Euphorbia carinifolia]]* N.E.Br.
**[[Euphorbia carinulata]]* P.R.O.Bally & S.Carter 
**[[Euphorbia carissoides]]* F.M.Bailey
**[[Euphorbia carniolica]]* Jacq.
**[[Euphorbia carpartica]]* Wol. emend. Pilát
**[[Euphorbia cartaginiensis]]* Porta 1892 (E. carthaginiensis?) 
**[[Euphorbia carteriana]]* P.R.O.Bally 
**[[Euphorbia carullae]]* Sennen
**[[Euphorbia carunculata]]* Waterf.
**[[Euphorbia carunculifera]]* L.C.Leach 
***[[Euphorbia carunculifera ssp. carunculifera]]* 
***[[Euphorbia carunculifera ssp. subfastigiata]]* L.C.Leach 
**[[Euphorbia cassia]]* Boiss.
**[[Euphorbia cassythoides]]* Boiss. 
**[[Euphorbia castillonii]]* Lavranos 
**[[Euphorbia catamarcensis]]* (Croizat) Subils
**[[Euphorbia cataractarum]]* S.Carter 
**[[Euphorbia catenata]]* (S.Carter) Bruyns (= *Monadenium catenatum*)
**[[Euphorbia caterviflora]]* N.E.Br. 
**[[Euphorbia cattimandoo]]* Elliot ex Wight 
**[[Euphorbia caucasica]]* Dubovik ex Dubovik & Klokov
**[[Euphorbia caudiculosa]]* Boiss.
**[[Euphorbia cayensis]]* Millsp.
**[[Euphorbia cedrorum]]* Rauh & Hebding
**[[Euphorbia celastroides]]* Boiss.
**[[Euphorbia celata]]* R.A.Dyer 
**[[Euphorbia celerieri]]* (Emb.) Vindt
**[[Euphorbia centunculoides]]* Kunth 
**[[Euphorbia ceratocarpa]]* Ten.
**[[Euphorbia cereiformis]]* L. 
**[[Euphorbia ceroderma]]* I.M.Johnst. 
**[[Euphorbia cervicornu]]* Baillon
**[[Euphorbia chaborasia]]* Gomb.
**[[Euphorbia chaculana]]* Donn.Sm.
**[[Euphorbia chaetocalyx]]* Boiss.
**[[Euphorbia chamaecaula]]* Weath.
**[[Euphorbia chamaeclada]]* Ule
**[[Euphorbia chamaepeplus]]* Boiss. & Gaill. ex Boiss.
***[[Euphorbia chamaepeplus var. chamaepeplus]]*
***[[Euphorbia chamaepeplus var. angustifolia]]* A.Danin
**[[Euphorbia chamaerrhodos]]* Boiss.
**[[Euphorbia chamaesula]]* Boiss.
**[[Euphorbia chamaesyce]]* L.
***[[Euphorbia chamaesyce ssp. chamaesyce]]*
***[[Euphorbia chamaesyce ssp. massiliensis]]* (DC.) Thell.
**[[Euphorbia chamaesycoides]]* B.Nord.
**[[Euphorbia chamissonis]] * (Klotzsch & Garcke ex Klotzsch) Boiss.
**[[Euphorbia chankoana]]* Vorosch.
**[[Euphorbia chapmanii]]* Oudejans
**[[Euphorbia characias]]* L. 
***[[Euphorbia characias ssp. characias]]* 
***[[Euphorbia characias ssp. wulfenii]]*  (Hoppe ex W.D.J.Koch) Radcl.-Sm.
**[[Euphorbia charleswilsoniana]]* V.Vlk 
**[[Euphorbia cheiradenia]]* Boiss. & Hohen. ex Boiss.
**[[Euphorbia cheirolepioides]]* Rech.f.
**[[Euphorbia cheirolepis]]* Fisch. & C.A.Mey. ex Ledeb.
**[[Euphorbia chenopodiifolia]]* Boiss.
**[[Euphorbia chersina]]* N.E.Br. 
**[[Euphorbia chersonesa]]* Huft
**[[Euphorbia chevalieri]]* (N.E.Br.) Bruyns (= *Monadenium chevalieri*)
**[[Euphorbia chiapensis]]* Brandegee
**[[Euphorbia chimaera]]* Lipsky
**[[Euphorbia chiogenes]]* (Small) Oudejans
**[[Euphorbia chiogenoides]]* Rusby
**[[Euphorbia chiribensis]]* V.W.Steinm. & Felger
**[[Euphorbia chrysochaeta]]* W.Fitzg.
**[[Euphorbia chrysocoma]]* H.Lév. & Vaniot ex H.Lév.
**[[Euphorbia cibdela]]* N.E.Br. 
**[[Euphorbia cinerascens]]* Engelm.
**[[Euphorbia cinera]]* W.Fitzg.
**[[Euphorbia citrina]]* S.Carter
**[[Euphorbia clandestina]]* Jacq.
**[[Euphorbia clarae]]* (Malaisse & Lecron) Bruyns (= *Monadenium clarae*)
**[[Euphorbia clarkeana]]* Hook.f.
**[[Euphorbia classenii]]* P.R.O.Bally & S.Carter 
**[[Euphorbia clava]]* Jacq. 
**[[Euphorbia clavarioides]]* Boiss. 
***[[Euphorbia clavarioides var. clavarioides]]* 
***[[Euphorbia clavarioides var. truncata]]*  (N.E.Br.) A.C.White, R.A.Dyer & B.Sloane 
**[[Euphorbia clavidigitata]]* Gage
**[[Euphorbia clavigera]]* N.E.Br. 
**[[Euphorbia claytonioides]]* Pax
**[[Euphorbia clementei]]* Boiss.
***[[Euphorbia clementei ssp. clementei]]*
***[[Euphorbia clementei ssp. faurei]]*  (Maire) J.Vicens, Molero & C.Blanché
***[[Euphorbia clementei ssp. villosa]]*  (Faure & Maire) J.Vicens, Molero & C.Blanché
**[[Euphorbia clementii]]* Domin
**[[Euphorbia clivicola]]* R.A.Dyer
**[[Euphorbia clusiifolia]]* Hook. & Arn.
**[[Euphorbia coalcomanensis]]* (Croizat) V.W.Steinm. (= *Pedilanthus coalcomanensis*)
**[[Euphorbia coccinea]]* Roth
**[[Euphorbia coerulescens]]* Haw.
**[[Euphorbia cofradiana]]* Brandegee
**[[Euphorbia coghlanii]]* F.M.Bailey
**[[Euphorbia cognata]] * (Klotzsch & Garcke) Boiss.
**[[Euphorbia colimae]]* Rose
**[[Euphorbia colchica]]* (Litv.) D.V.Geltman
**[[Euphorbia colletioides]]* Benth. 
**[[Euphorbia colliculina]]* A.C.White, R.A.Dyer & B.Sloane
**[[Euphorbia collina]]* Phil.
**[[Euphorbia colligata]]* V.W.Steinm. (= *Pedilanthus connatus*)
**[[Euphorbia colorata]]* Engelm. 
**[[Euphorbia colubrina]]* P.R.O.Bally & S.Carter 
**[[Euphorbia columnaris]]* P.R.O.Bally 
**[[Euphorbia comans]]* W.Fitzg.
**[[Euphorbia commersonii]]* Baillon emend. Denis
**[[Euphorbia commutata]]* Engelm. - Tinted woodland spurge
**[[Euphorbia comosa]]* Vell. 
**[[Euphorbia complanata]]* Warb. 
**[[Euphorbia complexa]]* R.A.Dyer 
**[[Euphorbia compressa]]* Boiss.
**[[Euphorbia concanensis]]* Janarth. & S.R.Yadav
**[[Euphorbia condylocarpa]]* M.Bieb. 
**[[Euphorbia conferta]]* (Small) Oudejans
**[[Euphorbia confinalis]]* R.A.Dyer 
***[[Euphorbia confinalis ssp. confinalis]]* 
***[[Euphorbia confinalis ssp. rhodesica]]* L.C.Leach 
**[[Euphorbia confluens]]* Nel 
**[[Euphorbia conformis]]* N.E.Br.
**[[Euphorbia congenera]]* Blume
**[[Euphorbia congestiflora]]* L.C.Leach 
**[[Euphorbia coniosperma]]* Boiss. & Buhse
**[[Euphorbia connata]]* Boiss.
**[[Euphorbia consanguina]]* Schrenk ex Fisch. & C.A.Mey.
**[[Euphorbia consobrina]]* N.E.Br. 
**[[Euphorbia consoquitlae]]* Brandegee
**[[Euphorbia conspicua]]* N.E.Br. 
**[[Euphorbia contorta]]* L.C.Leach 
**[[Euphorbia contoversa]]* N.E.Br.
**[[Euphorbia convolvuloides]]* Hochst. ex Hook. & Benth.
**[[Euphorbia conzattii]]* V.W.Steinm. (= *Pedilanthus pulchellus*)
**[[Euphorbia cooperi]]* N.E.Br. ex A.Berger 
***[[Euphorbia cooperi var. calidicola]]* L.C.Leach 
***[[Euphorbia cooperi var. cooperi]]* 
***[[Euphorbia cooperi var. ussanguensis]]* (N.E.Br.) L.C.Leach 
**[[Euphorbia copiapina]]* Phil. 
**[[Euphorbia corallioides]]* L. 
**[[Euphorbia cordatella]]* Oudejans
**[[Euphorbia cordifolia]]* Elliott
**[[Euphorbia cornastra]]* (Dressler) Radcl.-Sm.
**[[Euphorbia corniculata]]* R.A.Dyer 
**[[Euphorbia cornigera]]* Boiss.
**[[Euphorbia corollata]]* L. - Flowering spurge
**[[Euphorbia correllii]]* M.C.Johnst.
**[[Euphorbia correntina]]* D.Parodi
**[[Euphorbia corsica]]* Req.
**[[Euphorbia corymbosa]]* N.E.Br.
**[[Euphorbia cossoniana]]* Boiss.
**[[Euphorbia cotinifolia]]* L. 
***[[Euphorbia cotinifolia ssp. cotinifolia]]* 
***[[Euphorbia cotinifolia ssp. cotinoides]]*  (Miq.) Christenh. 
**[[Euphorbia coudercii]]* Gagnep.
**[[Euphorbia cowellii]]*  (Millsp. ex N.L.Britton) Oudejans 
**[[Euphorbia cozumelensis]]* Millsp.
**[[Euphorbia craspedia]]* Boiss.
**[[Euphorbia crassinodis]]* Urb.
**[[Euphorbia crassipes]]* Marloth
**[[Euphorbia crebrifolia]]* S.Carter
**[[Euphorbia cremersii]]* Rauh & Razaf. 
***[[Euphorbia cremersii var. cremersii]]* 
****[[Euphorbia cremersii var. cremersii fa. viridiflora]]* Rauh 
***[[Euphorbia cremersii var. rakotozafyi]]*  (Cremers) Rauh 
**[[Euphorbia crenata]]* (N.E.Br.) Bruyns (= *Monadenium crenatum*)
**[[Euphorbia crenulata]]* Engelm.
**[[Euphorbia crepitata]]* L.C.Wheeler
**[[Euphorbia crepuscula]]* (L.C.Wheeler) V.W.Steinm. & Felger
**[[Euphorbia cressoides]]* M.C.Johnst.
**[[Euphorbia cretophila]]* Klokov
**[[Euphorbia crispa]]*  (Haw.) Sweet 
**[[Euphorbia cristata]]* Heyne ex A.W.Roth
**[[Euphorbia croizatii]]* Leandri
**[[Euphorbia crossadenia]]* Pax & K.Hoffmann ex Pax
**[[Euphorbia crotonoides]]* Boiss.
***[[Euphorbia crotonoides ssp. crotonoides]]*
***[[Euphorbia crotonoides ssp. narokensis]]* S.Carter
**[[Euphorbia cruentata]]* Graham
**[[Euphorbia cryptocaulis]]* M.G.Gilbert
**[[Euphorbia cryptospinosa]]* P.R.O.Bally 
**[[Euphorbia cuatrecasii]]* Pau ex Cuatrec.
**[[Euphorbia cubensis]]* Boiss. 
**[[Euphorbia cuchumatensis]]* Standl. & Steyerm.
**[[Euphorbia culminicola]]* Ant.Molina
**[[Euphorbia cumbrae]]* Boiss.
**[[Euphorbia cumulata]]* R.A.Dyer 
**[[Euphorbia cumulicola]]* (Small) Oudejans
**[[Euphorbia cuneata]]* Vahl
***[[Euphorbia cuneata ssp. cretacea]]* S.Carter 
***[[Euphorbia cuneata ssp. cuneata]]* 
***[[Euphorbia cuneata ssp. lamproderma]]* S.Carter
***[[Euphorbia cuneata ssp. spinescens]]* (Pax) S.Carter
****[[Euphorbia cuneata ssp. spinescens var. pumilans]]* S.Carter 
****[[Euphorbia cuneata ssp. spinescens var. spinescens]]* 
***[[Euphorbia cuneata ssp. wajirensis]]* S.Carter 
**[[Euphorbia cuneifolia]]* Guss.
**[[Euphorbia cuneneana]]* L.C.Leach 
***[[Euphorbia cuneneana ssp. cuneneana]]* 
***[[Euphorbia cuneneana ssp. rhizomatosa]]* L.C.Leach 
**[[Euphorbia cupricola]]* (Malaisse & Lecron) Bruyns (= *Monadenium cupricola*)
**[[Euphorbia cuprispina]]* S.Carter 
**[[Euphorbia cupularis]]* Boiss. (= *Synadenium cupulare*)
**[[Euphorbia curocana]]* L.C.Leach 
**[[Euphorbia curtisii]]* Engelm. ex Chapm. 
**[[Euphorbia curvirama]]* R.A.Dyer 
**[[Euphorbia cuspidata]]* Bertol.
**[[Euphorbia cussonioides]]* P.R.O.Bally
**[[Euphorbia cyathophora]]* Murray 
**[[Euphorbia cylindrica]]* A.C.White, R.A.Dyer & B.Sloane 
**[[Euphorbia cylindrifolia]]* Marn.-Lap. & Rauh 
***[[Euphorbia cylindrifolia ssp.cylindrifolia]]* 
***[[Euphorbia cylindrifolia ssp. tuberifera]]* Rauh 
**[[Euphorbia cymbifera]]* (Schltdl.) V.W.Steinm. (= *Pedilanthus cymbiferus*)
**[[Euphorbia cymbiformis]]* Rusby
**[[Euphorbia cyparissias]]* L. - Cypress spurge
**[[Euphorbia cyparissioides]]* Pax
**[[Euphorbia cypria]]* Boiss.
**[[Euphorbia cyri]]* V.W.Steinm. (= *Pedilanthus tomentellus*)
**[[Euphorbia cyrtophylla]]* (Prokh.) Prokh.
**[[Euphorbia czerepanovii]]* D.V.Geltman

## D
**[[Euphorbia daghestanica]]* D.V.Geltman
**[[Euphorbia dahurica]]* Peschkova
**[[Euphorbia dalettiensis]]* M.G.Gilbert 
**[[Euphorbia dallachyna]]* Baillon
**[[Euphorbia damarana]]* L.C.Leach 
**[[Euphorbia damasoi]]* Oudejans
**[[Euphorbia darbandensis]]* N.E.Br. 
**[[Euphorbia dasyacantha]]* S.Carter (s)
**[[Euphorbia dauana]]* S.Carter (s)
**[[Euphorbia davidii]]* Subils 
**[[Euphorbia daviesii]]* E.A.Bruce 
**[[Euphorbia davisii]]* M.S.Khan
**[[Euphorbia davyi]]* N.E.Br. 
**[[Euphorbia dawei]]* N.E.Br. 
**[[Euphorbia debilispina]]* L.C.Leach 
**[[Euphorbia descampsii]]* (Pax) Bruyns (= *Monadenium descampsii*)
**[[Euphorbia decaryi]]* Guillaumin 
***[[Euphorbia decaryi var. ampanihyensis]]* Cremers 
***[[Euphorbia decaryi var. decaryi]]* 
***[[Euphorbia decaryi var. robinsonii]]* Cremers 
***[[Euphorbia decaryi var. spirosticha]]* Rauh & Buchloh
**[[Euphorbia decepta]]* N.E.Br. 
**[[Euphorbia decidua]]* P.R.O.Bally & L.C.Leach 
**[[Euphorbia decipiens]]* Boiss. & Buhse
**[[Euphorbia decliviticola]]* L.C.Leach 
**[[Euphorbia decorsei]]* Drake 
**[[Euphorbia dedzana]]* L.C.Leach 
**[[Euphorbia deflexa]]* Sibth. & J.E.Smith
**[[Euphorbia defoliata]]* Urb. 
**[[Euphorbia degeneri]]* Sherff
**[[Euphorbia deightonii]]* Croizat 
**[[Euphorbia dekindtii]]* Pax 
**[[Euphorbia delicatula]]* Boiss.
**[[Euphorbia delicatissima]]* S.Carter
**[[Euphorbia delphinensis]]* Ursch & Leandri 
**[[Euphorbia deltobracteata]]* (Prokh.) Prokh.
**[[Euphorbia deltoidea]]* Engelm. ex Chapm.
***[[Euphorbia deltoidea ssp. adhaerens]]* (Small) Oudejans
***[[Euphorbia deltoidea ssp. deltoidea]]*
****[[Euphorbia deltoidea ssp. deltoidea var. deltoidea]]*
****[[Euphorbia deltoidea ssp. deltoidea var. serpyllum]]* (Small) Oudejans
***[[Euphorbia deltoidea ssp. pinetorum]]* (Small) Oudejans
**[[Euphorbia demissa]]* L.C.Leach 
**[[Euphorbia dendroides]]* L. 
**[[Euphorbia denisiana]]* Guillaumin 
**[[Euphorbia denisii]]* Oudejans 
**[[Euphorbia densa]]* Schrenk
**[[Euphorbia densiflora]]* Klotzsch & Garcke ex Klotzsch
**[[Euphorbia densifolia]]* K.Koch
**[[Euphorbia densispina]]* S.Carter 
**[[Euphorbia densiuscula]]* Popov
**[[Euphorbia densiusculiformis]]* (Pazij) Botsch. ex Botsch. & Tscherneva
**[[Euphorbia dentata]]* Michx. 
***[[Euphorbia dentata var. dentata]]*
***[[Euphorbia dentata var. lasiocarpa]]* Boiss.
**[[Euphorbia denticulata]]* Lam.
**[[Euphorbia dentosa]]* I.M.Johnst.
**[[Euphorbia depauperata]]* Hochst. ex A.Rich. 
***[[Euphorbia depauperata var. depauperata]]* 
***[[Euphorbia depauperata var. laevicarpa]]* Friis & Vollesen 
***[[Euphorbia depauperata var. trachycarpa]]* (Pax) S.Carter 
***[[Euphorbia depauperata var. tsetserrensis]]* S.Carter 
**[[Euphorbia deppeana]]* Boiss.
**[[Euphorbia derickii]]* V.W.Steinm.
**[[Euphorbia desmondii]]* Keay & Milne-Redh. 
**[[Euphorbia dhofarensis]]* S.Carter 
**[[Euphorbia diazlunana]]* (Lomelí & Sahagún) V.W.Steinm. (= *Pedilanthus diazlunanus*)
**[[Euphorbia dichroa]]* S.Carter 
**[[Euphorbia didiereoides]]* Denis & Leandri 
**[[Euphorbia digestiva]]* Rojas Acosta
**[[Euphorbia digitata]]* S.Watson
**[[Euphorbia dilunguensis]]* (Malaisse & Lecron) Bruyns (= *Monadenium dilunguense*)
**[[Euphorbia dilobadena]]* S.Carter 
**[[Euphorbia diminuta]]* S.Carter
**[[Euphorbia dimorphocaulon]]* P.H.Davis ex Rech.f.
**[[Euphorbia dinteri]]* A.Berger
**[[Euphorbia dioeca]]* Kunth
**[[Euphorbia discoidea]]* (P.R.O.Bally) Bruyns (= *Monadenium discoideum*)
**[[Euphorbia discoreoides]]* Boiss.
***[[Euphorbia discoreoides ssp. discoreoides]]*
***[[Euphorbia discoreoides ssp. attenuata]]* V.W.Steinm.
**[[Euphorbia disclusa]]* N.E.Br.
**[[Euphorbia discoidalis]]* Chapm., 1860
**[[Euphorbia discolor]]* Ledeb.
**[[Euphorbia discrepans]]* S.Carter 
**[[Euphorbia dispersa]]* L.C.Leach 
**[[Euphorbia dissitispina]]* L.C.Leach 
**[[Euphorbia distans]]* W.Fitzg.
**[[Euphorbia disticha]]* Engelm. ex Boiss.
**[[Euphorbia distinctissima]]* L.C.Leach 
**[[Euphorbia diuretica]]* Larrañaga
**[[Euphorbia djimilensis]]* Boiss.
**[[Euphorbia dolichoceras]]* S.Carter 
**[[Euphorbia doloensis]]* M.G.Gilbert 
**[[Euphorbia donii]]* Oudejans
**[[Euphorbia dorsiventralis]]* Urb.
**[[Euphorbia dracunculoides]]* ;Lam.
***[[Euphorbia dracunculoides ssp. dracunculoides]]*
***[[Euphorbia dracunculoides ssp. inconspicua]]* (J.Ball) Maire
**[[Euphorbia dregeana]]* E.Mey. ex Boiss.
**[[Euphorbia dressleri]]* V.W.Steinm. (= *Pedilanthus gracilis*)
**[[Euphorbia drummondii]]* Boiss.
**[[Euphorbia drupifera]]* Thonn. (= *Elaeophorbia drupifera*)
**[[Euphorbia dubovikii]]* Oudejans
**[[Euphorbia duckei]]* Oudejans
**[[Euphorbia dugandiana]]* Croizat
**[[Euphorbia dulcis]]* L. - Sweet spurge
**[[Euphorbia dumalis]]* S.Carter
**[[Euphorbia dumenticola]]* P.R.O.Bally & S.Carter 
**[[Euphorbia dunensis]]* S.Carter 
**[[Euphorbia durandoi]]* Chabert
**[[Euphorbia duranii]]* Ursch & Leandri 
***[[Euphorbia duranii var. ankaratrae]]* Ursch & Leandri 
***[[Euphorbia duranii var. duranii]]*
**[[Euphorbia duriuscula]]* Pax & K.Hoffmann ex Herzog
**[[Euphorbia duseimata]]* R.A.Dyer 
**[[Euphorbia dussii]]* Krug & Urb. ex A.Duss
**[[Euphorbia duvalii]]* H.Lecoq & Lamotte
**[[Euphorbia dwyeri]]* D.G.Burch

## E
**[[Euphorbia eanophylla]]* Croizat
**[[Euphorbia ebracteolata]]* Hayata
***[[Euphorbia ebracteolata var. ebracteolata]]*
***[[Euphorbia ebracteolata var. anhweiensis]]* (Hurus.) Oudejans
**[[Euphorbia echinulata]]* (Stapf) Bruyns (= *Monadenium echinulatum*)
**[[Euphorbia echinus]]* Hook. & Cosson 
**[[Euphorbia ecklonii]]* (Klotzsch & Garcke) Baillon 
**[[Euphorbia ecorniculata]]* Kitam.
**[[Euphorbia edgeworthii]]* Boiss.
**[[Euphorbia edmondii]]* Hochr.
**[[Euphorbia eduardoi]]* L.C.Leach 
**[[Euphorbia eggersii]]* Urb.
**[[Euphorbia eglandulosa]]* V.W.Steinm.
**[[Euphorbia eichleri]]* Müll.Arg.
**[[Euphorbia eilensis]]* S.Carter 
**[[Euphorbia einensis]]* G.Will. 
***[[Euphorbia einensis var. anemoarenicola]]* G.Will. 
***[[Euphorbia einensis var. einensis]]* 
**[[Euphorbia elastica]]* Jum.
**[[Euphorbia eleanoriae]]* (M.E.Lawr. & W.L.Wagner) Govaerts
**[[Euphorbia elegans]]* Spreng.
**[[Euphorbia elegantissima]]* P.R.O.Bally & S.Carter 
**[[Euphorbia ellenbeckii]]* Pax 
**[[Euphorbia elliotii]]* Leandri 
**[[Euphorbia ellipsifolia]]* Gilli
**[[Euphorbia elodes]]* Boiss.
**[[Euphorbia elquiensis]]* Phil.
**[[Euphorbia elwendica]]* Stapf
**[[Euphorbia elymaitica]]* Bornm.
**[[Euphorbia emetica]]* Padilla
**[[Euphorbia emirnensis]]* Baker
**[[Euphorbia engelmannii]]* Boiss.
**[[Euphorbia engleri]]* Pax
**[[Euphorbia engleriana]]* Dinter 
**[[Euphorbia enopla]]* Boiss. 
***[[Euphorbia enopla var. enopla]]* 
***[[Euphorbia enopla var. viridis]]* A.C.White, R.A.Dyer & B.Sloane 
**[[Euphorbia enormis]]* N.E.Br. 
**[[Euphorbia ensifolia]]* Baker
**[[Euphorbia enterophora]]* Drake 
***[[Euphorbia enterophora ssp. crassa]]* Cremers 
***[[Euphorbia enterophora ssp. enterophora]]* 
**[[Euphorbia ephedroides]]* E.Mey. ex Boiss. 
***[[Euphorbia ephedroides var. debilis]]* L.C.Leach 
***[[Euphorbia ephedroides var. ephedroides]]* 
***[[Euphorbia ephedroides var. imminuta]]* L.C.Leach & G.Will. 
**[[Euphorbia ephedromorpha]]* Bartlett 
**[[Euphorbia epicyparissias]] * (Klotzsch & Garcke) Boiss.
**[[Euphorbia epilobiifolia]]* W.T.Wang
**[[Euphorbia epiphylloides]]* Kurz 
**[[Euphorbia epithymoides]]* L. (lihat juga Euphorbia polychroma)
**[[Euphorbia equisetiformis]]* A.Stewart 
**[[Euphorbia eranthes]]* R.A.Dyer & Milne-Redh. 
**[[Euphorbia eriantha]]* Benth. 
**[[Euphorbia ericoides]]* Lam.
**[[Euphorbia erigavensis]]* S.Carter 
**[[Euphorbia erinacea]]* Boiss. & Kotschy ex Boiss.
**[[Euphorbia eriophora]]* Boiss.
**[[Euphorbia erlangeri]]* Pax 
**[[Euphorbia ernestii]]* N.E.Br. 
**[[Euphorbia erubescens]]* Boiss.
**[[Euphorbia erythradenia]]* Boiss.
**[[Euphorbia erythrina]]* Link
**[[Euphorbia erythrocephala]]* P.R.O.Bally & Milne-Redh. 
**[[Euphorbia erythroclada]]* Boiss.
**[[Euphorbia erythrocucullata]]* Mangelsdorff
**[[Euphorbia erythrodon]]* Boiss. & Heldr. ex Boiss.
**[[Euphorbia erythroxyloides]]* Baker
**[[Euphorbia esculenta]]* Marloth 
**[[Euphorbia espinosa]]* Pax 
**[[Euphorbia estevesii]]* N.Zimm. & P.J.Braun 
**[[Euphorbia esula]]* L. 
**[[Euphorbia esuliformis]]* S.Schauer ex Nees & S.Schauer
**[[Euphorbia etuberculata]]* P.R.O.Bally & S.Carter 
**[[Euphorbia eugeniae]]* Prokh.
**[[Euphorbia euonymclada]]* Croizat
***' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia evansii]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia excelsa]]'' <small>[[A.C.White]], [[Robert Allen Dyer|R.A.Dyer]] & [[B.Sloane]]</small> 
*''[[Euphorbia excisa]]'' <small>[[Ignatz Urban|Urb.]] & [[Erik Leonard Ekman|Ekman]]</small>
*''[[Euphorbia exigua]]'' <small>[[Carl Linnaeus|L.]]</small> 
*''[[Euphorbia exilis]]'' <small>[[L.C.Leach]] ex [[L.C.Leach]] & [[G.Will.]]</small> 
*''[[Euphorbia exilispina]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia exserta]]'' <small>([[John Kunkel Small|Small]]) [[William Chambers Coker|Coker]] ex [[Clewell]]</small>
*''[[Euphorbia exstipulata]]'' <small>[[Georg Engelmann|Engelm.]]</small> 
*''[[Euphorbia exumensis]]'' <small>([[Charles Frederick Millspaugh|Millsp.]]) [[Donovan Stewart Correll|Correll]]</small>
*''[[Euphorbia eyassiana]]'' <small>[[Peter René Oscar Bally|P.R.O.Bally]] & [[Susan Carter Holmes|S.Carter]]</small> (s)
*''[[Euphorbia eylesii]]'' <small>[[Alfred Barton Rendle|Rendle]]</small>

== F ==
*''[[Euphorbia falcata]]'' <small>[[Carl Linnaeus|L.]]</small> 
*''[[Euphorbia famatamboay]]'' <small>[[F.Friedmann]] & [[Cremers]]</small> 
**''[[Euphorbia famatamboay ssp. famatamboay]]'' 
**''[[Euphorbia famatamboay ssp. itampolensis]]'' <small>[[F.Friedmann]] & [[Cremers]]</small> 
*''[[Euphorbia fanshawei]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia fascicaulis]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia fasciculata]]'' <small>[[Carl Peter Thunberg|Thunb.]]</small> 
*''[[Euphorbia faucicola]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia fauriei]]'' <small>H.Lév. & Vaniot</small>
*''[[Euphorbia feddemae]]'' <small>[[Rogers McVaugh|McVaugh]]</small>
*''[[Euphorbia fendleri]]'' <small>[[John Torrey|Torr.]] & [[Asa Gray|A.Gray]]</small>
*''[[Euphorbia ferganensis]]'' <small>[[B.Fedtsch.]] ex [[O.Fedtsch.]] & [[B.Fedtsch.]]</small> 
*''[[Euphorbia ferox]]'' <small>[[Rudolf Marloth|Marloth]]</small> 
*''[[Euphorbia fianarantsoae]]'' <small>[[Eugène Ursch|Ursch]] & [[Jacques Désiré Leandri|Leandri]]</small> 
*''[[Euphorbia fidjiana]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia fiherenensis]]'' <small>[[Poiss.]]</small> 
*''[[Euphorbia filicaulis]]'' <small>[[Ignatz Urban|Urb.]]</small>
*''[[Euphorbia filiflora]]'' <small>[[Rudolf Marloth|Marloth]]</small> 
**''[[Euphorbia filiflora var. filiflora]]'' 
**''[[Euphorbia filiflora var. nana]]'' <small>[[G.Will.]]</small> 
*''[[Euphorbia filiformis]]'' <small>([[Peter René Oscar Bally|P.R.O.Bally]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium chevalieri'' var. ''filiforme, Monadenium filiforme'')
*''[[Euphorbia filipes]]'' <small>[[George Bentham|Benth.]]</small>
*''[[Euphorbia fimbriata]]'' <small>[[Giovanni Antonio Scopoli|Scop.]]</small> 
*''[[Euphorbia finkii]]'' <small>([[Pierre Edmond Boissier|Boiss.]]) [[V.W.Steinm.]]</small> (= ''Pedilanthus finkii'')
*''[[Euphorbia fischeri]]'' <small>[[Ferdinand Albin Pax|Pax]]</small>
*''[[Euphorbia fischeriana]]'' <small>[[Ernst Gottlieb von Steudel|Steud.]]</small>
*''[[Euphorbia fissispina]]'' <small>[[Peter René Oscar Bally|P.R.O.Bally]] & [[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia fistulosa]]'' <small>[[M.S.Khan]]</small>
*''[[Euphorbia flanaganii]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia flavicoma]]'' <small>[[A. P. de Candolle|DC.]]</small>
*''[[Euphorbia flerowii]]'' <small>[[Georg Jurij Nikolaewitch Woronow|Woronow]] ex [[Flerov]]</small>
*''[[Euphorbia floribunda]]'' <small>[[Georg Engelmann|Engelm.]] ex [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia florida]]'' <small>[[Georg Engelmann|Engelm.]]</small>
*''[[Euphorbia floridana]]'' <small>[[Alvan Wentworth Chapman|Chapm.]]</small> - Greater Florida spurge
*''[[Euphorbia fluminis]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia foliiflua]]'' <small>[[Ernst Heinrich Georg Ule|Ule]]</small>
*''[[Euphorbia foliolosa]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia foliosa]]'' <small>([[Johann Friedrich Klotzsch|Klotzsch]] & [[Christian August Friedrich Garcke|Garcke]] ex [[Johann Friedrich Klotzsch|Klotzsch]]) [[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia fontqueriana]]'' <small>[[Werner Greuter|Greuter]]</small>
*''[[Euphorbia formosana]]'' <small>[[Bunzō Hayata|Hayata]]</small>
*''[[Euphorbia forolensis]]'' <small>[[L.E.Newton]]</small> 
*''[[Euphorbia forskalii]]'' <small>[[Jacques Etienne Gay|J.Gay]]</small>
*''[[Euphorbia fortissima]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia fortuita]]'' <small>[[A.C.White]], [[Robert Allen Dyer|R.A.Dyer]] & [[B.Sloane]]</small> 
*''[[Euphorbia fosbergii]]'' <small>([[J.Florence]]) [[Govaerts]]</small>
*''[[Euphorbia fractiflexa]]'' <small>[[Susan Carter Holmes|S.Carter]] & [[J.R.I.Wood]]</small> 
*''[[Euphorbia fragifera]]'' <small>[[G.Jan]]</small>
*''[[Euphorbia francescae]]'' <small>[[L.C.Leach]]</small>
*''[[Euphorbia franchetii]]'' <small>[[B.Fedtsch.]]</small>
*''[[Euphorbia franckiana]]'' <small>[[Alwin Berger|A.Berger]]</small> 
*''[[Euphorbia francoana]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia francoisii]]'' <small>[[Jacques Désiré Leandri|Leandri]]</small> 
**''[[Euphorbia francoisii var. crassicaulis]]'' <small>[[Werner Rauh|Rauh]]</small> 
**''[[Euphorbia francoisii var. francoisii]]'' 
*''[[Euphorbia frankii]]'' <small>[[Lavranos]]</small> 
*''[[Euphorbia franksiae]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
**''[[Euphorbia franksiae var. franksiae]]'' 
**''[[Euphorbia franksiae var. zuluensis]]'' <small>[[A.C.White]], [[Robert Allen Dyer|R.A.Dyer]] & [[B.Sloane]]</small> 
*''[[Euphorbia fraseri]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia friedrichiae]]'' <small>[[Dinter]]</small> 
*''[[Euphorbia friesii]]'' <small>([[Nicholas Edward Brown|N.E.Br.]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium friesii'')
*''[[Euphorbia friesiorum]]'' <small> ([[Arne Hässler|A.Hässl.]]) [[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia frutescens]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia fruticosa]]'' <small>[[Peter Forsskål|Forssk.]]</small> 
*''[[Euphorbia fruticulosa]]'' <small>[[Georg Engelmann|Engelm.]] ex [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia fulgens]]'' <small>[[Karw.]] ex [[Johann Friedrich Klotzsch|Klotzsch]]</small> 
*''[[Euphorbia fulva]]'' <small>[[Otto Stapf (botanist)|Stapf]]</small>
*''[[Euphorbia furcata]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia furcillata]]'' <small>[[Carl Sigismund Kunth|Kunth]]</small>
*''[[Euphorbia fusca]]'' <small>[[Rudolf Marloth|Marloth]]</small> 
*''[[Euphorbia fuscolanata]]'' <small>[[Alexander Gilli|Gilli]]</small>
*''[[Euphorbia fusiformis]]'' <small>[[Francis Buchanan-Hamilton|Buch.-Ham.]] ex [[David Don|D.Don]]</small> 
*''[[Euphorbia fwambensis]]'' <small>([[Nicholas Edward Brown|N.E.Br.]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium fwambense'')

== G ==
*''[[Euphorbia gaditana]]'' <small>[[Ernest Saint-Charles Cosson|Coss.]]</small>
*''[[Euphorbia gaillardotii]]'' <small>[[Pierre Edmond Boissier|Boiss.]] & [[Emanuel Blanche|Blanche]] ex [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia galapagaia]]'' <small>[[Benjamin Lincoln Robinson|B.L.Rob.]] & [[Jesse More Greenman|Greenm.]]</small>
*''[[Euphorbia galgalana]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia galiciana]]'' <small>[[Rogers McVaugh|McVaugh]]</small>
*''[[Euphorbia gamkensis]]'' <small>[[Marx]]</small> 
*''[[Euphorbia garanbiensis]]'' <small>[[Bunzō Hayata|Hayata]]</small>
*''[[Euphorbia garberi]]'' <small>[[Georg Engelmann|Engelm.]] ex [[Alvan Wentworth Chapman|Chapm.]]</small>
*''[[Euphorbia gariepina]]'' <small> [[Pierre Edmond Boissier|Boiss.]]</small> 
**''[[Euphorbia gariepina ssp. balsamea]]'' <small> ([[Friedrich Welwitsch|Welw.]] ex [[Hiern]]) [[L.C.Leach]]</small> 
**''[[Euphorbia gariepina ssp. gariepina]]'' 
*''[[Euphorbia garkeana]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia garuana]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small>
*''[[Euphorbia gasparrinii]]'' <small> [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia gatbergensis]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia gaubae]]'' <small>([[Jirí Soják|Soják]]) [[Alan Radcliffe-Smith|Radcl.-Sm.]]</small>
**''[[Euphorbia gaubae var. gaubae]]''
**''[[Euphorbia gaubae var. velutina]]'' <small>([[Joseph Friedrich Nicolaus Bornmüller|Bornm.]] & [[Gauba]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia gaudichaudii]] '' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia gaumeri]]'' <small>[[Charles Frederick Millspaugh|Millsp.]]</small>
*''[[Euphorbia gayi]]'' <small> [[Salis]]</small>
*''[[Euphorbia gebelica]]'' <small>[[Brullo]]</small>
*''[[Euphorbia gedrosiaca]]'' <small>[[Karl Heinz Rechinger|Rech.f.]], [[Paul Aellen|Aellen]] & [[Esfand.]] ex [[Karl Heinz Rechinger|Rech.f.]]</small>
*''[[Euphorbia geldorensis]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia gemmea]]'' <small>[[Peter René Oscar Bally|P.R.O.Bally]] & [[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia genistoides]]'' <small>[[Karl Heinrich Bergius|Bergius]]</small>
*''[[Euphorbia genoudiana]]'' <small>[[Eugène Ursch|Ursch]] & [[Jacques Désiré Leandri|Leandri]]</small> 
*''[[Euphorbia gentilis]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
**''[[Euphorbia gentilis ssp. gentilis]]'' 
**''[[Euphorbia gentilis ssp. tanquana]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia gentryi]]'' <small>[[V.W.Steinm.]] & [[T.F.Daniel]]</small> 
*''[[Euphorbia georgei]]'' <small>[[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia germainii]]'' <small>[[Rodolfo Amando Philippi|Phil.]]</small>
*''[[Euphorbia geroldii]]'' <small>[[Werner Rauh|Rauh]]</small> 
*''[[Euphorbia geyeri]]'' <small>[[Georg Engelmann|Engelm.]] ex [[Georg Engelmann|Engelm.]] & [[Asa Gray|A.Gray]]</small>
*''[[Euphorbia giessii]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia gillettii]]'' <small>[[Peter René Oscar Bally|P.R.O.Bally]] & [[Susan Carter Holmes|S.Carter]]</small> 
**''[[Euphorbia gillettii ssp. gillettii]]'' 
**''[[Euphorbia gillettii ssp. tenuior]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia giumboensis]]'' <small>[[Arne Hässler|A.Hässl.]]</small> 
*''[[Euphorbia glaberrima]]'' <small>[[Karl Heinrich Emil Koch (botanist)|K.Koch]]</small>
*''[[Euphorbia glabriflora]]'' <small>Vis. ex Vis. & [[Josif Pančić|Pančić]]</small>
*''[[Euphorbia gladiata]]'' <small>([[Peter René Oscar Bally|P.R.O.Bally]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium yattanum'' var. ''gladiatum, Monadenium gladiatum'')
*''[[Euphorbia glandularis]]'' <small>[[L.C.Leach]] & [[G.Will.]]</small> 
*''[[Euphorbia glanduligera]]'' <small>[[Ferdinand Albin Pax|Pax]]</small>
*''[[Euphorbia glauca]]'' <small>[[Georg Forster|G.Forst.]]</small>
*''[[Euphorbia glaucescens]]'' <small>[[Carl Ludwig Willdenow|Willd.]]</small>
*''[[Euphorbia glaucopoda]]'' <small>[[Ludwig Diels|Diels]]</small>
*''[[Euphorbia globosa]]'' <small>([[Adrian Hardy Haworth|Haw.]]) [[John Sims (taxonomist)|Sims]]</small> 
*''[[Euphorbia globulicaulis]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia glochidiata]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia glomerulans]]'' <small>([[Jaroslav Ivanovic Prokhanov|Prokh.]]) [[Jaroslav Ivanovic Prokhanov|Prokh.]]</small>
*''[[Euphorbia glytosperma]]'' <small>[[Georg Engelmann|Engelm.]]</small>
*''[[Euphorbia godana]]'' <small>[[Buddens.]], [[Lawant]], & [[Lavranos]]</small> 
*''[[Euphorbia goetzei]]'' <small>[[Ferdinand Albin Pax|Pax]]</small>
*''[[Euphorbia goliana]]'' <small>[[Philibert Commerçon|Comm.]] ex [[Jean-Baptiste Lamarck|Lam.]]</small>
*''[[Euphorbia golondrina]]'' <small>[[Louis Cutter Wheeler|L.C.Wheeler]]</small>
*''[[Euphorbia gorenflotii]]'' <small>[[Mobayen]]</small>
*''[[Euphorbia gorgonis]]'' <small>[[Alwin Berger|A.Berger]]</small> 
*''[[Euphorbia gossypina]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
**''[[Euphorbia gossypina ssp. gossypina]]'' 
***''[[Euphorbia gossypina ssp. gossypina var. coccinea]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
***''[[Euphorbia gossypina ssp. gossypina var. gossypina]]'' 
**''[[Euphorbia gossypina ssp. mangulensis]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia gottlebei]]'' <small>[[Werner Rauh|Rauh]]</small> 
*''[[Euphorbia goudotii]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Euphorbia goyazensis]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Euphorbia gracilicaulis]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia gracilior]]'' <small>[[Arthur J. Cronquist|Cronquist]]</small>
*''[[Euphorbia graciliramea]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia gracillima]]'' <small>[[Sereno Watson|S.Watson]]</small>
*''[[Euphorbia gradyi]]'' <small>[[V.W.Steinm.]] & [[Ram.-Roa]]</small>
*''[[Euphorbia graminea]]'' <small>[[Nikolaus Joseph von Jacquin|Jacq.]]</small> 
*''[[Euphorbia graminifolia]]'' <small>[[Dominique Villars|Vill.]]</small>
*''[[Euphorbia graminifolia ssp. graminifolia]]''
*''[[Euphorbia graminifolia ssp. tommasiniana]]'' <small>([[Giuseppe Bertoloni|Bertoloni]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia graminifolia ssp. zhiguliensis]]'' <small>([[Jaroslav Ivanovic Prokhanov|Prokh.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia grammata]]'' <small>([[Rogers McVaugh|McVaugh]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia grandialata]]'' <small>[[Robert Allen Dyer|R.A.Dyer]]</small>
*''[[Euphorbia grandicornis]]'' <small>[[Karl Christian Traugott Friedemann Goebel|Goebel]] ex [[Nicholas Edward Brown|N.E.Br.]]</small>
**''[[Euphorbia grandicornis ssp. grandicornis]]'' 
**''[[Euphorbia grandicornis ssp. sejuncta]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia grandidens]]'' <small>[[Adrian Hardy Haworth|Haw.]]</small>
*''[[Euphorbia grandidieri]]'' <small>[[Louis Antoine François Baillon|Baillon]]</small>
*''[[Euphorbia grandifolia]]'' <small>[[Adrian Hardy Haworth|Haw.]]</small> (= ''Elaeophorbia grandifolia'')
*''[[Euphorbia grandiloba]]'' <small>[[Emilio Chiovenda|Chiov.]]</small>
*''[[Euphorbia graniticola]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia grantii]]'' <small>[[Daniel Oliver (botanist)|Oliver]]</small> 
*''[[Euphorbia granulata]]'' <small>[[Peter Forsskål|Forssk.]]</small>
*''[[Euphorbia greenwayi]]'' <small>[[Peter René Oscar Bally|P.R.O.Bally]] & [[Susan Carter Holmes|S.Carter]]</small> 
**''[[Euphorbia greenwayi ssp. breviaculeata]]'' <small>[[Susan Carter Holmes|S.Carter]]</small>
**''[[Euphorbia greenwayi ssp. greenwayi]]'' 
*''[[Euphorbia gregaria]]'' <small>[[Rudolf Marloth|Marloth]]</small> 
*''[[Euphorbia gregersenii]]'' <small>[[K.Maly]] ex [[Günther von Mannagetta und Lërchenau Beck|Beck]]</small>
*''[[Euphorbia griffithii]]'' <small>[[Joseph Dalton Hooker|Hook.f.]]</small>
*''[[Euphorbia grisea]]'' <small>[[Georg Engelmann|Engelm.]] ex [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia griseola]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
**''[[Euphorbia griseola ssp. griseola]]''
**''[[Euphorbia griseola ssp. mashonica]]'' <small>[[L.C.Leach]]</small> 
**''[[Euphorbia griseola ssp. zambiensis]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia grisophylla]]'' <small>[[M.S.Khan]]</small>
*''[[Euphorbia groenewaldii]]'' <small>[[Robert Allen Dyer|R.A.Dyer]]</small> 
*''[[Euphorbia grosseri]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia grossheimii]]'' <small>([[Jaroslav Ivanovic Prokhanov|Prokh.]]) [[Jaroslav Ivanovic Prokhanov|Prokh.]]</small>
*''[[Euphorbia guadalajarana]]'' <small>[[Sereno Watson|S.Watson]]</small>
*''[[Euphorbia guanarensis]]'' <small>[[Henri François Pittier|Pittier]]</small>
*''[[Euphorbia guatemalensis]]'' <small>[[Paul Carpenter Standley|Standl.]] & [[Julian Alfred Steyermark|Steyerm.]]</small> 
*''[[Euphorbia gueinzii]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
**''[[Euphorbia gueinzii var. albovillosa]]'' <small>([[Ferdinand Albin Pax|Pax]]) [[Nicholas Edward Brown|N.E.Br.]]</small> 
**''[[Euphorbia gueinzii var. gueinzii]]''
*''[[Euphorbia guentheri]]'' <small>([[Ferdinand Albin Pax|Pax]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium guentheri'')
*''[[Euphorbia guerichiana]]'' <small>[[Ferdinand Albin Pax|Pax]] ex [[Adolf Engler|Engl.]]</small> 
*''[[Euphorbia guiengola]]'' <small>[[William Russel Buck|W.R.Buck]] & [[Huft]]</small> 
*''[[Euphorbia guillauminiana]]'' <small>[[Pierre L. Boiteau|Boiteau]]</small> 
*''[[Euphorbia guineensis]]'' <small>[[Felix de Silva Avellar Brotero|Brot.]] ex [[Nicholas Edward Brown|N.E.Br.]]</small>
*''[[Euphorbia gulestanica]]'' <small>[[Podlech]]</small>
*''[[Euphorbia gumaroi]]'' <small>[[J.Meyrán]]</small> 
*''[[Euphorbia gummifera]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Euphorbia guntensis]]'' <small>([[Jaroslav Ivanovic Prokhanov|Prokh.]]) [[Jaroslav Ivanovic Prokhanov|Prokh.]]</small>
*''[[Euphorbia guyoniana]]'' <small>[[Pierre Edmond Boissier|Boiss.]] & [[George François Reuter|Reut.]]</small>
*''[[Euphorbia gymnadenia]]'' <small>[[Ignatz Urban|Urb.]]</small>
*''[[Euphorbia gymnocalycioides]]'' <small>[[M.G.Gilbert]] & [[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia gymnoclada]]'' <small>[[Georg Engelmann|Engelm.]]</small> 
*''[[Euphorbia gymnota]]'' <small>[[Ignatz Urban|Urb.]]</small>
*''[[Euphorbia gypsicola]]'' <small>[[Karl Heinz Rechinger|Rech.f.]] & [[Paul Aellen|Aellen]] ex [[Karl Heinz Rechinger|Rech.f.]]</small>
*''[[Euphorbia gypsophila]]'' <small>[[Susan Carter Holmes|S.Carter]]</small>

== H ==
*''[[Euphorbia hadramautica]]'' <small>[[John Gilbert Baker|Baker]]</small> 
*''[[Euphorbia haeleeleana]]'' 
*''[[Euphorbia haematantha]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia hainanensis]]'' <small>[[Léon Croizat|Croizat]]</small> 
*''[[Euphorbia hajhirensis]]'' <small>[[Alan Radcliffe-Smith|Radcl.-Sm.]]</small> 
*''[[Euphorbia hakutosanensis]]'' <small>[[Isao Hurusawa|Hurus.]]</small>
*''[[Euphorbia halemanui]]'' <small>[[Sherff]]</small>
*''[[Euphorbia halipedicola]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia hallii]]'' <small>[[Robert Allen Dyer|R.A.Dyer]]</small> 
*''[[Euphorbia hamaderoensis]]'' <small>[[A.G.Mill]]</small>
*''[[Euphorbia hamata]]'' <small>([[Adrian Hardy Haworth|Haw.]]) [[Robert Sweet (botanist)|Sweet]]</small> 
*''[[Euphorbia hamiltonii]]'' <small>[[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia handeniensis]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia handiensis]]'' <small>[[Oscar Burchard|Burchard]]</small> 
*''[[Euphorbia hararensis]]'' <small>[[Ferdinand Albin Pax|Pax]]</small>
*''[[Euphorbia harmandii]]'' <small>[[François Gagnepain|Gagnep.]]</small>
*''[[Euphorbia hartwegiana]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia hassleriana]]'' <small>[[Robert Hippolyte Chodat|Chodat]]</small>
*''[[Euphorbia hausknechtii]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia hebecarpa]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia hedigeriana]]'' <small>([[Malaisse]] & [[Lecron]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium hedigerianum'') 
*''[[Euphorbia hedyotoides]]'' 
*''[[Euphorbia heishuiensis]]'' <small>[[W.T.Wang]]</small>
*''[[Euphorbia helenae]]'' <small>[[Ignatz Urban|Urb.]]</small> 
**''Euphorbia helenae'' ssp. ''grandifolia'' <small>[[Attila Borhidi|Borhidi]] & [[O.Muñiz]]</small>
**''Euphorbia helenae'' ssp. ''helenae''
*''[[Euphorbia heleniana]]'' <small>[[Albert Thellung|Thell.]] & [[Otto Stapf (botanist)|Stapf]]</small>
*''[[Euphorbia helioscopia]]'' 
*''[[Euphorbia helleri]]'' <small>[[Charles Frederick Millspaugh|Millsp.]]</small>
*''[[Euphorbia helwigii]]'' <small>[[Ignatz Urban|Urb.]] & [[Erik Leonard Ekman|Ekman]]</small>
*''[[Euphorbia henricksonii]]'' <small>[[Marshall Conring Johnston|M.C.Johnst.]]</small>
*''[[Euphorbia henryi]]'' <small>[[William Hemsley (botanist)|Hemsl.]]</small>
*''[[Euphorbia hepatica]]'' <small>[[Ignatz Urban|Urb.]] & [[Erik Leonard Ekman|Ekman]]</small>
*''[[Euphorbia heptagona]]'' <small>[[Carl Linnaeus|L.]]</small> 
**''Euphorbia heptagona'' var. ''dentata'' <small>([[Alwin Berger|A.Berger]]) [[Nicholas Edward Brown|N.E.Br.]]</small>
**''Euphorbia heptagona'' var. ''heptagona''
**''Euphorbia heptagona'' var. ''ramosa'' <small>[[A.C.White]], [[Robert Allen Dyer|R.A.Dyer]] & [[B.Sloane]]</small>
**''Euphorbia heptagona'' var. ''subsessilis'' <small>[[A.C.White]], [[Robert Allen Dyer|R.A.Dyer]] & [[B.Sloane]]</small>
**''Euphorbia heptagona'' var. ''viridis'' <small>[[A.C.White]], [[Robert Allen Dyer|R.A.Dyer]] & [[B.Sloane]]</small>
*''[[Euphorbia heptapotamica]]'' <small>[[V.P.Goloskokov]]</small>
*''[[Euphorbia herman-schwartzii]]'' 
*''[[Euphorbia heraldiana]]'' <small>([[Charles Frederick Millspaugh|Millsp.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia herbacea]]'' <small>([[Ferdinand Albin Pax|Pax]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium herbaceum'') 
*''[[Euphorbia herbstii]]'' <small>([[W.L.Wagner]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia herniariifolia]]'' <small>[[Carl Ludwig Willdenow|Willd.]]</small>
*''[[Euphorbia herrei]]'' <small>[[A.C.White]], [[Robert Allen Dyer|R.A.Dyer]] & [[B.Sloane]]</small> 
*''[[Euphorbia herteri]]'' <small>[[Arechav.]]</small>
*''[[Euphorbia heteradena]]'' <small>[[Jaub.]] & [[Édouard Spach|Spach]]</small>
*''[[Euphorbia heterochroma]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
**''Euphorbia heterochroma'' ssp. ''heterochroma''
**''Euphorbia heterochroma'' ssp. ''tsavoensis'' <small>[[Susan Carter Holmes|S.Carter]]</small>
*''[[Euphorbia heterodoxa]]'' <small>[[Johannes Müller Argoviensis|Müll.Arg.]]</small> 
*''Euphorbia heterophylla'' 
*''[[Euphorbia heteropoda]]'' <small>[[Ferdinand Albin Pax|Pax]] </small> (= ''Monadenium heteropodum'') 
**''Euphorbia heteropoda'' var. ''formosa'' <small>([[Peter René Oscar Bally|P.R.O.Bally]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium heteropodum'' var. ''formosum'', ''Monadenium schubei'' var. ''formosum'')
**''Euphorbia heteropoda'' var. ''heteropoda'' (= ''Monadenium heteropodum'' var. ''heteropodum'')
*''[[Euphorbia heterospina]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
**''Euphorbia heterospina'' ssp. ''baringoensis'' <small>[[Susan Carter Holmes|S.Carter]]</small>
**''Euphorbia heterospina'' ssp. ''heterospina''
*''[[Euphorbia hexadenia]]''
*''[[Euphorbia hexagona]]'' <small>[[Thomas Nuttall|Nutt.]] ex [[Curt Polycarp Joachim Sprengel|Spreng.]]</small> 
*''[[Euphorbia hexagonoides]]'' <small>[[Sereno Watson|S.Watson]]</small>
*''[[Euphorbia heyligersiana]]'' <small>[[P.I.Forst.]]</small> 
*''[[Euphorbia heyneana]]'' <small>[[Curt Polycarp Joachim Sprengel|Spreng.]]</small>
*''[[Euphorbia hiernii]]'' <small>([[Léon Croizat|Croizat]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small> (= ''Elaeophorbia hiernii'') 
*''[[Euphorbia hieroglyphica]]'' <small>[[Ernest Saint-Charles Cosson|Coss.]] & [[Michel Charles Durieu de Maisonneuve|Durieu]] ex [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia hieronymi]]'' <small>[[Subils]]</small>
*''[[Euphorbia hierosolymitana]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> 
**''Euphorbia hierosolymitana'' var. ''hierosolymitana''
**''Euphorbia hierosolymitana'' var. ''ramanensis'' <small>([[B.Baum]]) [[Michael Zohary|Zohary]]</small>
*''[[Euphorbia hildebrandtii]]''
*''[[Euphorbia hillebrandii]]'' <small>[[Augustin Abel Hector Léveillé|H.Lév.]]</small>
*''[[Euphorbia himalayensis]]'' <small> ([[Johann Friedrich Klotzsch|Klotzsch]] & [[Christian August Friedrich Garcke|Garcke]]) [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia hinkleyorum]]'' <small>[[Ivan Murray Johnston|I.M.Johnst.]]</small>
*''[[Euphorbia hintonii]]'' <small>[[Louis Cutter Wheeler|L.C.Wheeler]]</small> 
*''[[Euphorbia hippocrepica]]'' <small>[[William Hemsley (botanist)|Hemsl.]]</small>
*''[[Euphorbia hirsuta]]'' <small>[[Carl Linnaeus|L.]]</small>
**''Euphorbia hirsuta'' var. ''hirsuta''
**''Euphorbia hirsuta'' var. ''leucotricha'' <small>([[Pierre Edmond Boissier|Boiss.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Patikan kebo|Euphorbia hirta]]'' <small>[[Carl Linnaeus|L.]]</small> (= ''Chamaesyce hirta'') – **Patikan Kebo**
**''Euphorbia hirta'' var. ''hirta''
*''[[Euphorbia hirtella]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia hispida]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia hockii]]'' <small>[[Émile Auguste Joseph De Wildeman|De Wild.]]</small>
*''[[Euphorbia hoffmanniana]]'' <small> ([[Johann Friedrich Klotzsch|Klotzsch]] & [[Christian August Friedrich Garcke|Garcke]]) [[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Euphorbia hondurana]]'' <small>[[Paul Carpenter Standley|Standl.]] & [[L.O.Williams]]</small>
*''[[Euphorbia hofstaetteri]]'' 
*''[[Euphorbia holmesiae]]'' <small>[[Lavranos]]</small> 
*''[[Euphorbia holochlorina]]'' <small>[[Carlos Toledo Rizzini|Rizzini]]</small> 
*''[[Euphorbia hooveri]]'' <small>[[Louis Cutter Wheeler|L.C.Wheeler]]</small>
*''[[Euphorbia hopetownensis]]'' <small>[[Gert Cornelius Nel|Nel]]</small> 
*''[[Euphorbia hormorrhiza]]'' <small>[[Alan Radcliffe-Smith|Radcl.-Sm.]]</small> 
*''[[Euphorbia horombensis]]'' 
*''[[Euphorbia horrida]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> 
**''Euphorbia horrida'' var. ''horrida''
**''Euphorbia horrida'' var. ''major'' <small>[[A.C.White]], [[Robert Allen Dyer|R.A.Dyer]] & [[B.Sloane]]</small>
**''Euphorbia horrida'' var. ''noorsvedensis'' <small>[[A.C.White]], [[Robert Allen Dyer|R.A.Dyer]] & [[B.Sloane]]</small>
**''Euphorbia horrida'' var. ''striata'' <small>[[A.C.White]], [[Robert Allen Dyer|R.A.Dyer]] & [[B.Sloane]]</small>
*''[[Euphorbia horwoodii]]'' <small>[[Susan Carter Holmes|S.Carter]] & [[Lavranos]]</small> 
*''[[Euphorbia hottentotoa]]'' <small>[[Rudolf Marloth|Marloth]]</small> 
*''[[Euphorbia hsinchuensis]]'' <small>([[S.C.Lin]] & [[Shu Miaw Chaw|Chaw]]) [[Wu Zhengyi|C.Y.Wu]] & [[J.S.Ma]]</small>
*''[[Euphorbia huanchahana]]'' <small>([[Johann Friedrich Klotzsch|Klotzsch]] & [[Christian August Friedrich Garcke|Garcke]] ex [[Johann Friedrich Klotzsch|Klotzsch]]) [[Pierre Edmond Boissier|Boiss.]]</small> 
**''Euphorbia huanchahana'' ssp. ''huanchahana''
**''Euphorbia huanchahana'' ssp. ''penazuelensis'' <small>[[Léon Croizat|Croizat]]</small>
*''[[Euphorbia hubertii]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia humayensis]]'' <small>[[Townshend Stith Brandegee|Brandegee]]</small>
*''[[Euphorbia humbertii]]''
*''[[Euphorbia humifusa]]'' <small>[[Carl Ludwig Willdenow|Willd.]]</small>
*''[[Euphorbia humilis]]'' <small>[[Carl Anton von Meyer|C.A.Mey.]] ex [[Carl Friedrich von Ledebour|Ledeb.]]</small>
*''[[Euphorbia humistrata]]'' <small>[[Georg Engelmann|Engelm.]] ex [[Asa Gray|A.Gray]]</small>
*''[[Euphorbia hunzikeri]]'' <small>[[Subils]]</small>
*''[[Euphorbia hurusawae]]'' <small>[[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia hurusawae]]'' <small>[[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia hurusawae var. hurusawae]]'' <small>[[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia hurusawae var. imaii]]'' <small>([[Isao Hurusawa|Hurus.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia hyberna]]'' <small>[[Carl Linnaeus|L.]]</small> 
**''Euphorbia hyberna'' ssp. ''canuti'' <small>([[Filippo Parlatore|Parl.]]) [[Tom Tutin|Tutin]]</small>
**''Euphorbia hyberna'' ssp. ''gibelliana'' <small>([[Peola]]) [[M.Raffaelli]]</small>
**''Euphorbia hyberna'' ssp. ''hyberna''
**''Euphorbia hyberna'' ssp. ''insularis'' <small>([[Pierre Edmond Boissier|Boiss.]]) [[J.I.Briquet]]</small>
*''[[Euphorbia hylonoma]]'' <small>[[Heinrich R.E. Handel-Mazzetti|Hand.-Mazz.]]</small>
*''[[Euphorbia hypericifolia]]'' <small>[[Carl Linnaeus|L.]]</small>
*''[[Euphorbia hypogaea]]'' <small>[[Rudolf Marloth|Marloth]]</small> 
*''[[Euphorbia hyssopifolia]]'' <small>[[Carl Linnaeus|L.]]</small> (= ''Chamaesyce hyssopifolia'')
**''Euphorbia hyssopifolia'' var. ''blanchetii'' <small>([[Friedrich Anton Wilhelm Miquel|Miq.]] ex [[Pierre Edmond Boissier|Boiss.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''Euphorbia hyssopifolia'' var. ''hyssopifolia''
**''Euphorbia hyssopifolia'' var. ''paraguayensis'' <small>([[Robert Hippolyte Chodat|Chodat]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''Euphorbia hyssopifolia'' var. ''pruinosa'' <small>([[Robert Hippolyte Chodat|Chodat]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''Euphorbia hyssopifolia'' var. ''pubescenticocca'' <small>[[Christenh.]]</small>
**''Euphorbia hyssopifolia'' var. ''pulchella'' <small>([[Carl Sigismund Kunth|Kunth]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''Euphorbia hyssopifolia'' var. ''uniflora'' <small>([[Robert Hippolyte Chodat|Chodat]] & [[Hassl.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>

== I ==
*''[[Euphorbia iancannellii]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium cannellii'') 
*''[[Euphorbia iberica]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia iharanae]]'' <small>[[Werner Rauh|Rauh]]</small> 
*''[[Euphorbia imerina]]'' <small>[[Cremers]]</small> 
*''[[Euphorbia imitata]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia immersa]]'' <small>[[Peter René Oscar Bally|P.R.O.Bally]] & [[Susan Carter Holmes|S.Carter]]</small>
*''[[Euphorbia imparispina]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia impressa]]'' <small>[[Emilio Chiovenda|Chiov.]]</small>
*''[[Euphorbia inaequilatera]]'' <small>[[Otto Wilhelm Sonder|Sond.]]</small>
**''Euphorbia inaequilatera'' var. ''dentata'' <small>([[Nicholas Edward Brown|N.E.Br.]]) [[M.G.Gilbert]]</small>
**''Euphorbia inaequilatera'' var. ''inaequilatera''
**''Euphorbia inaequilatera'' var. ''jemenica'' <small>([[Georg August Schweinfurth|Schweinf.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''Euphorbia inaequilatera'' var. ''spanothrix'' <small>[[Susan Carter Holmes|S.Carter]]</small>
*''[[Euphorbia inaequispina]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia inaguaensis]]'' <small>[[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia inappendiculata]]'' <small>[[Domin]]</small>
*''[[Euphorbia inarticulata]]'' <small>[[Georg August Schweinfurth|Schweinf.]]</small>
*''[[Euphorbia incerta]]'' <small>[[Townshend Stith Brandegee|Brandegee]]</small> (= ''Chamaesyce incerta'')
*''[[Euphorbia inciformis]]'' <small>[[Martín Sessé y Lacasta|Sessé]] & [[José Mariano Mociño|Moc.]]</small>
*''[[Euphorbia inconstantia]]'' <small>[[Robert Allen Dyer|R.A.Dyer]]</small>
*''[[Euphorbia inculta]]'' <small>[[Peter René Oscar Bally|P.R.O.Bally]]</small> 
*''[[Euphorbia indecora]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia inderiensis]]'' <small>[[Christian Friedrich Lessing|Less.]] ex [[Kar.]] & [[Kir.]]</small>
*''[[Euphorbia indica]]'' <small>[[Jean-Baptiste Lamarck|Lam.]]</small>
*''[[Euphorbia indistincta]]'' <small>[[P.I.Forst.]]</small> 
*''[[Euphorbia indivisa]]'' <small>([[Georg Engelmann|Engelm.]]) [[Ivar Frederick Tidestrøm|Tidestr.]]</small>
*''[[Euphorbia indurescens]]'' <small>[[L.C.Leach]]</small>
*''[[Euphorbia inermis]]'' <small>[[P.Miller]]</small> 
**''Euphorbia inermis'' var. ''huttoniae'' <small>[[A.C.White]], [[Robert Allen Dyer|R.A.Dyer]] & [[B.Sloane]]</small> 
**''Euphorbia inermis'' var. ''inermis'' 
*''[[Euphorbia infesta]]'' <small>[[Ferdinand Albin Pax|Pax]]</small>
*''[[Euphorbia inflexa]]'' <small>[[Ignatz Urban|Urb.]] & [[Erik Leonard Ekman|Ekman]]</small>
*''[[Euphorbia ingens]]'' <small>[[Ernst Heinrich Friedrich Meyer|E.Mey.]] ex [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia ingenticapsa]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia innocua]]'' <small>[[L.C.Wheller]]</small> 
*''[[Euphorbia inornata]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia insarmentosa]]'' <small>[[G.P.Meyer]]</small>
*''[[Euphorbia insulana]]'' <small>[[José Mariano da Conceição Vellozo|Vell.]]</small> 
**''Euphorbia insulana'' var. ''insulana'' 
**''Euphorbia insulana'' var. ''pilcomayensis'' <small>[[Léon Croizat|Croizat]]</small> 
**''Euphorbia insulana'' var. ''tovarenis'' <small> ([[Pierre Edmond Boissier|Boiss.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small> 
*''[[Euphorbia interaxillaris]]'' <small>[[Merritt Lyndon Fernald|Fernald]]</small>
*''[[Euphorbia intisy]]'' <small>[[Emmanuel Drake del Castillo|Drake]]</small> 
*''[[Euphorbia intricata]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia inundata]]'' <small>[[John Torrey|Torr.]] ex [[Alvan Wentworth Chapman|Chapm.]]</small> 
**''Euphorbia inundata'' var. ''inundata''
**''Euphorbia inundata'' var. ''garrettii'' <small>[[E.L.Bridges]] & [[Orzell]]</small>
*''[[Euphorbia inundaticola]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia invaginata]] '' <small>[[Léon Croizat|Croizat]]</small> 
*''[[Euphorbia invenusta]]'' <small>([[Nicholas Edward Brown|N.E.Br.]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium invenustum'') 
**''Euphorbia invenusta'' var. ''angusta'' <small>([[Peter René Oscar Bally|P.R.O.Bally]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium invenustum'' var. ''angustum'')
**''Euphorbia invenusta'' var. ''invenusta'' (= ''Monadenium invenustum'' var. ''invenustum''
*''[[Euphorbia ipecacuanhae]]'' <small>[[Carl Linnaeus|L.]]</small> – [[Euphorbia ipecacuanhae|American Ipecac]]
*''[[Euphorbia irgisensis]] '' <small>[[Dmitrij Ivanovitsch Litvinov|Litv.]]</small>
*''[[Euphorbia isacantha]]'' <small>[[Ferdinand Albin Pax|Pax]]</small>
*''[[Euphorbia isaloensis]]'' <small>[[Emmanuel Drake del Castillo|Drake]]</small> 
*''[[Euphorbia isatidifolia]]'' <small>[[Jean-Baptiste Lamarck|Lam.]]</small> 
*''[[Euphorbia isaurica]]'' <small>[[M.S.Khan]]</small>
*''[[Euphorbia isophylla]]'' <small>[[Joseph Friedrich Nicolaus Bornmüller|Bornm.]]</small>
*''[[Euphorbia itremensis]]'' <small>[[Kimnach]] & [[Lavranos]]</small> 
*''[[Euphorbia ivanjohnstonii]]'' <small>[[Marshall Conring Johnston|M.C.Johnst.]]</small>

== J ==
*''[[Euphorbia jacquemontii]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia jacquinii]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia jaliscensis]]'' <small>[[Benjamin Lincoln Robinson|B.L.Rob.]] & [[Jesse More Greenman|Greenm.]]</small> 
*''[[Euphorbia jamesonii]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia jansenvillensis]]'' <small>[[Gert Cornelius Nel|Nel]]</small> 
*''[[Euphorbia jasiewiczii]]'' <small>([[Chrtek]] & [[Křísa]]) [[Alan Radcliffe-Smith|Radcl.-Sm.]]</small>
*''[[Euphorbia jatrophoides]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia jejuna]]'' <small>[[Marshall Conring Johnston|M.C.Johnst.]] & [[Barton Holland Warnock|Warnock]]</small>
*''[[Euphorbia jenisseiensis]]'' <small>[[K.S.Baikov]]</small>
*''[[Euphorbia jessonii]]'' <small>[[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia johannis]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia johnstonii]]'' <small>[[Mayfield (botanist)|Mayfield]]</small> 
*''[[Euphorbia jolkinii]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia josei]] '' <small>[[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small> 
*''[[Euphorbia jovettii]]'' <small>[[Huguet]]</small>
*''[[Euphorbia joyae]]'' <small>[[Peter René Oscar Bally|P.R.O.Bally]] & [[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia jubata]]'' <small>[[L.C.Leach]]</small>
*''[[Euphorbia juglans]]'' <small>[[Robert Harold Compton|Compton]]</small> 
*''[[Euphorbia juttae]]'' <small>[[Kurt Dinter|Dinter]]</small> 
*''[[Euphorbia juvoklanti]]'' <small>[[Ferdinand Albin Pax|Pax]]</small>

== K ==
*''[[Euphorbia kaessneri]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''"[[Euphorbia kaessneri]]"'' <small>([[Nicholas Edward Brown|N.E.Br.]]) [[Peter Vincent Bruyns|Bruyns]] 2006 (''non'' Pax: preoccupied)</small> (= ''Monadenium kaessneri'')
*''[[Euphorbia kalaharica]]'' <small>[[Rudolf Marloth|Marloth]]</small>
*''[[Euphorbia kalisana]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia kamerunica]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia kamponii]]'' <small>[[Werner Rauh|Rauh]] & [[Petignat]]</small> 
*''[[Euphorbia kanalensis]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Euphorbia kanaorica]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia kanglingensis]]'' <small>[[W.T.Wang]]</small>
*''[[Euphorbia kansuensis]]'' <small>[[Jaroslav Ivanovic Prokhanov|Prokh.]]</small>
*''[[Euphorbia kansui]]'' <small>[[Liou]] ex [[S.B.Ho]]</small>
*''[[Euphorbia kaokoensis]]'' <small> ([[A.C.White]], [[Robert Allen Dyer|R.A.Dyer]] & [[B.Sloane]]) [[L.C.Leach]]</small> 
*''[[Euphorbia karibensis]]'' <small>[[Susan Carter Holmes|S.Carter]]</small>
*''[[Euphorbia karoi]]'' <small>[[Freyn]]</small>
*''[[Euphorbia karroensis]]'' <small> ([[Pierre Edmond Boissier|Boiss.]]) [[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia karwinskyi]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia katrajensis]]'' <small>[[Andrew Thomas Gage|Gage]]</small>
*''[[Euphorbia keithii]]'' <small>[[Robert Allen Dyer|R.A.Dyer]]</small> 
*''[[Euphorbia kelleri]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
**''[[Euphorbia kelleri var. kelleri]]'' 
**''[[Euphorbia kelleri var. latifolia]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia kemulariae]]'' <small>[[Ter-Chatschat.]]</small>
*''[[Euphorbia kerrii]]'' <small>[[Craib]]</small> 
*''[[Euphorbia kerstingii]]'' <small>[[Ferdinand Albin Pax|Pax]]</small>
*''[[Euphorbia khandallensis]]'' <small>[[Blatt.]] & [[Hallb.]]</small> 
*''[[Euphorbia khasyana]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia kilwana]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small>
*''[[Euphorbia kimberleyana]]'' <small>([[G.Will.]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium kimberleyanum'')
*''[[Euphorbia kimmerica]]'' <small>[[Vladimir Ippolitovich Lipsky|Lipsky]] ex [[Alexander Alfonsovich Grossheim|Grossh.]]</small>
*''[[Euphorbia kirimzjulica]]'' <small>[[Nikolay V. Stepanov|Stepanov]]</small>
*''[[Euphorbia kiritensis]]'' <small>[[Peter René Oscar Bally|P.R.O.Bally]] & [[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia kirkii]]'' <small>([[Nicholas Edward Brown|N.E.Br.]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Synadenium kirkii'')
*''[[Euphorbia kischenensis]]'' <small>[[Vierh.]]</small> 
*''[[Euphorbia kitawagae]]'' <small>([[Isao Hurusawa|Hurus.]]) [[Kitag.]]</small>
*''[[Euphorbia klokovii]]'' <small>[[Dubovik]] ex [[Dubovik]] et al.</small>
*''[[Euphorbia klotzschii]]'' <small>[[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''[[Euphorbia klotzschii var. argentina]]'' <small>([[Müll.Arg]] ex [[August Grisebach|Griseb.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''[[Euphorbia klotzschii var. dentata]]'' <small>([[Robert Elias Fries|R.E.Fr.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''[[Euphorbia klotzschii var. klotzschii]]''
**''[[Euphorbia klotzschii var. schizosepala]]'' <small>([[Pierre Edmond Boissier|Boiss.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia knobelii]]'' <small>[[Cythna Letty|Letty]]</small> 
*''[[Euphorbia knuthii]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
**''[[Euphorbia knuthii ssp. johnsonii]]'' <small> ([[Nicholas Edward Brown|N.E.Br.]]) [[L.C.Leach]]</small> 
**''[[Euphorbia knuthii ssp. knuthii]]'' 
*''[[Euphorbia koerneriana]]'' <small>[[Allem]] & [[Irgang]]</small>
*''[[Euphorbia komaroviana]]'' <small>[[Jaroslav Ivanovic Prokhanov|Prokh.]]</small>
*''[[Euphorbia kondoi]]'' <small>[[Werner Rauh|Rauh]] & [[A. Razafindratsira fl.|Razaf.]]</small> 
*''[[Euphorbia kopetdaghii]]'' <small>([[Jaroslav Ivanovic Prokhanov|Prokh.]]) [[Jaroslav Ivanovic Prokhanov|Prokh.]]</small>
*''[[Euphorbia kotovii]]'' <small>[[Michail Vasiljevich Klokov|Klokov]] ex [[Dubovik]] & Klokov</small>
*''[[Euphorbia kotschyana]]'' <small>[[Edouard Fenzl|Fenzl]]</small>
*''[[Euphorbia kouandensis]]'' <small>[[Beille]] ex [[Auguste Jean Baptiste Chevalier|A.Chev.]]</small>
*''[[Euphorbia kozlovii]]'' <small>[[Jaroslav Ivanovic Prokhanov|Prokh.]]</small>
*''[[Euphorbia kraussiana]]'' <small>[[Johann Jacob Bernhardi|Bernh.]] ex [[C.Krauss]]</small>
*''[[Euphorbia kudrjaschevii]]'' <small>[[Jaroslav Ivanovic Prokhanov|Prokh.]]</small>
*''[[Euphorbia kundelunguensis]]'' <small>([[Malaisse]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium kundelunguense'')
*''[[Euphorbia kuriensis]]'' <small>[[Vierh.]]</small> 
*''[[Euphorbia kurtzii]]'' <small>[[Subils]]</small>
*''[[Euphorbia kuwaleana]]'' <small>O.Deg. & Sherff</small>

== L ==
*''[[Euphorbia labatii]]'' <small>[[Werner Rauh|Rauh]] & [[Martine Bardot-Vaucoulon|Bard.-Vauc.]]</small> 
*''[[Euphorbia lacei]]'' <small>[[Craib]]</small> 
*''[[Euphorbia lacera]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia laciniata]]'' <small>[[Panigrahi]]</small>
*''[[Euphorbia lactea]]'' <small>[[Adrian Hardy Haworth|Haw.]]</small> 
*''[[Euphorbia lactiflua]]'' <small>[[Rodolfo Amando Philippi|Phil.]]</small> 
*''[[Euphorbia laevigata]]'' <small>[[Jean-Baptiste Lamarck|Lam.]]</small>
*''[[Euphorbia lagascae]]'' <small>[[Curt Polycarp Joachim Sprengel|Spreng.]]</small>
*''[[Euphorbia lagunensis]]'' <small>[[Huft]]</small>
*''[[Euphorbia laikipiensis]]'' <small>[[Susan Carter Holmes|S.Carter]]</small>
*''[[Euphorbia lamarckii]]'' <small>[[Robert Sweet (botanist)|Sweet]]</small> 
*''[[Euphorbia lambii]]'' <small>[[Eric R. Svensson Sventenius|Svent.]]</small> 
*''[[Euphorbia lancasteriana]]'' <small>[[Alan Radcliffe-Smith|Radcl.-Sm.]]</small>
*''[[Euphorbia lancifolia]] '' <small>[[Diederich Franz Leonhard von Schlechtendal|Schltdl.]]</small> 
*''[[Euphorbia laredana]]'' <small>[[Charles Frederick Millspaugh|Millsp.]]</small>
*''[[Euphorbia larica]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Euphorbia larranagae]]'' <small>[[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia lasiocarpa]]'' <small>[[Johann Friedrich Klotzsch|Klotzsch]]</small>
*''[[Euphorbia lata]]'' <small>[[Georg Engelmann|Engelm.]]</small>
*''[[Euphorbia latazi]]'' <small>[[Carl Sigismund Kunth|Kunth]]</small>
*''[[Euphorbia latericolor]]'' <small>[[Townshend Stith Brandegee|Brandegee]]</small> 
*''[[Euphorbia lateriflora]]'' <small>[[Heinrich Christian Friedrich Schumacher|Schumach.]] & [[Peter Thonning|Thonn.]]</small> 
*''[[Euphorbia lathyris]]'' <small>[[Carl Linnaeus|L.]]</small> 
*''[[Euphorbia latifolia]]'' <small>[[Carl Anton von Meyer|C.A.Mey.]] ex [[Carl Friedrich von Ledebour|Ledeb.]]</small>
*''[[Euphorbia laurifolia]]'' <small>[[Jean-Baptiste Lamarck|Lam.]]</small> 
*''[[Euphorbia lavicola]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia lavrani]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia laxa]]'' <small>[[Emmanuel Drake del Castillo|Drake]]</small>
*''[[Euphorbia leandriana]]'' <small>[[Pierre L. Boiteau|Boiteau]]</small> 
*''[[Euphorbia lecheoides]]'' <small>[[Charles Frederick Millspaugh|Millsp.]]</small>
**''[[Euphorbia lecheoides var. lecheoides]]''
**''[[Euphorbia lecheoides var. exumensis]]'' <small>([[Charles Frederick Millspaugh|Millsp.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''[[Euphorbia lecheoides var. wilsonii]]'' <small>([[Charles Frederick Millspaugh|Millsp.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia ledermanniana]]'' <small>[[Ferdinand Albin Pax|Pax]] & [[K.Hoffmann]]</small> 
*''[[Euphorbia ledienii]]'' <small>[[Alwin Berger|A.Berger]]</small> 
**''[[Euphorbia ledienii var. dregei]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
**''[[Euphorbia ledienii var. ledienii]]'' 
*''[[Euphorbia leistneri]]'' <small>[[R.H.Archer]]</small> 
*''[[Euphorbia lemaireana]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Euphorbia lenensis]]'' <small>[[K.S.Baikov]]</small>
*''[[Euphorbia lenewtonii]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia leonardii]]'' <small>([[D.G.Burch]]) [[Alan Radcliffe-Smith|Radcl.-Sm.]]</small>
*''[[Euphorbia leoncroizatii]]'' <small>[[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia leonensis]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia leontopoda]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia leptocaula]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia leptoclada]]'' <small>[[Isaac Bayley Balfour|Balf.f.]]</small> 
*''[[Euphorbia leshumensis]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small>
*''[[Euphorbia letestuana]]'' <small>([[Marcel Denis|Denis]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium letestuanum'')
*''[[Euphorbia letestui]]'' <small>[[J.Raynal]]</small> 
*''[[Euphorbia leucantha]] '' <small>([[Johann Friedrich Klotzsch|Klotzsch]] & [[Christian August Friedrich Garcke|Garcke]] ex [[Johann Friedrich Klotzsch|Klotzsch]]) [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia leucocephala]]'' <small>[[Johannes Paulus Lotsy|Lotsy]]</small> 
*''[[Euphorbia leucochlamys]]'' <small>[[Emilio Chiovenda|Chiov.]]</small> 
*''[[Euphorbia leucodendron]]'' <small>[[Emmanuel Drake del Castillo|Drake]]</small> 
**''[[Euphorbia leucodendron ssp. leucodendron]]'' 
**''[[Euphorbia leucodendron ssp. oncoclada]]'' <small> ([[Emmanuel Drake del Castillo|Drake]]) [[Werner Rauh|Rauh]] & [[Koutnik]]</small> 
*''[[Euphorbia leuconeura]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Euphorbia leucophylla]]'' <small>[[George Bentham|Benth.]]</small> 
**''[[Euphorbia leucophylla ssp.comcaacorum]]'' <small>[[V.W.Steinm.]] & [[Richard Stephen Felger|Felger]]</small>
**''[[Euphorbia leucophylla ssp. leucophylla]]'' 
*''[[Euphorbia levis]]'' <small>[[Jean Louis Marie Poiret|Poir.]]</small>
*''[[Euphorbia lignosa]]'' <small>[[Rudolf Marloth|Marloth]]</small> 
*''[[Euphorbia ligularia]]'' <small>[[William Roxburgh|Roxb.]]</small>
*''[[Euphorbia ligustrina]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia limaensis]]'' <small>[[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia limpopoana]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia lindenii]]'' <small>([[Susan Carter Holmes|S.Carter]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium lindenii'')
*''[[Euphorbia linearibracteata]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia lineata]]'' <small>[[Sereno Watson|S.Watson]]</small>
*''[[Euphorbia lingiana]]'' <small>[[C.Shih]] ex [[Woon Young Chun|Chun]]</small>
*''[[Euphorbia linguiformis]]'' <small>[[Rogers McVaugh|McVaugh]]</small>
**''[[Euphorbia linguiformis var. actinadenia]]'' <small>([[Rogers McVaugh|McVaugh]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''[[Euphorbia linguiformis var. linguiformis]]''
*''[[Euphorbia lingulata]]'' <small>[[Heuff.]]</small>
*''[[Euphorbia linifolia]]'' <small>[[Carl Linnaeus|L.]]</small>
*''[[Euphorbia lipskyi]]'' <small>([[Jaroslav Ivanovic Prokhanov|Prokh.]]) [[Jaroslav Ivanovic Prokhanov|Prokh.]]</small>
*''[[Euphorbia lissosperma]]'' <small>[[Susan Carter Holmes|S.Carter]]</small>
*''[[Euphorbia liukiuensis]]'' <small>[[Bunzō Hayata|Hayata]]</small>
*''[[Euphorbia livida]]'' <small>[[Ernst Heinrich Friedrich Meyer|E.Mey.]] ex [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia lividiflora]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia loadensis]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small>
*''[[Euphorbia lomelii]]'' <small>[[V.W.Steinm.]]</small> (= ''Pedilanthus macrocarpus'')
*''[[Euphorbia longecorniculata]]'' <small>[[Kitam.]]</small>
*''[[Euphorbia longecornuta]]'' <small>[[Sereno Watson|S.Watson]]</small>
*''[[Euphorbia longicruris]] '' <small>[[George Heinrich Adolf Scheele|Scheele]]</small> 
*''[[Euphorbia longifolia]]'' <small>[[Jean-Baptiste Lamarck|Lam.]]</small> 
*''[[Euphorbia longinsulicola]]'' <small>[[S.R.Hill]]</small> 
*''[[Euphorbia longispina]]'' <small>[[Emilio Chiovenda|Chiov.]]</small> 
*''[[Euphorbia longistyla]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia longituberculosa]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Euphorbia lophiosperma]]'' <small>[[Susan Carter Holmes|S.Carter]]</small>
*''[[Euphorbia lophogona]]''<small>[[Jean-Baptiste Lamarck|Lam.]]</small>
**''[[Euphorbia lophogona var. lophogona]]'' 
**''[[Euphorbia lophogona var. tenuicaulis]]''<small>[[Werner Rauh|Rauh]]</small> 
*''[[Euphorbia loricata]]''<small>[[Jean-Baptiste Lamarck|Lam.]]</small> 
*''[[Euphorbia louwii]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia luapulana]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia lucida]]'' <small>[[Waldst.]] & [[Pál Kitaibel|Kit.]]</small> - Shining spurge
*''[[Euphorbia luciismithii]]'' <small>[[Benjamin Lincoln Robinson|B.L.Rob.]] & [[Jesse More Greenman|Greenm.]]</small> 
*''[[Euphorbia lucorum]]'' <small>[[Franz Josef Ruprecht|Rupr.]]</small>
*''[[Euphorbia ludoviciana]]'' <small>[[Constantine Samuel Rafinesque-Schmaltz|Raf.]]</small>
*''[[Euphorbia lugardiae]]'' <small>([[Nicholas Edward Brown|N.E.Br.]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium lugardiae'')
*''[[Euphorbia lukoseana]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia lumbricalis]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia lundelliana]]'' <small>[[Léon Croizat|Croizat]] ex [[Cyrus Longworth Lundell|Lundell]]</small> 
*''[[Euphorbia lunulata]]'' <small>[[Alexander G. von Bunge|Bunge]]</small>
*''[[Euphorbia lupatensis]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small>
*''[[Euphorbia lupulina]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Euphorbia lurida]]'' <small>[[Georg Engelmann|Engelm.]]</small>
*''[[Euphorbia luteoviridis]]'' <small>[[D.G.Long]]</small>
*''[[Euphorbia luticola]]'' <small>[[Heinrich R.E. Handel-Mazzetti|Hand.-Mazz.]]</small>
*''[[Euphorbia lutosa]]'' <small>[[Susan Carter Holmes|S.Carter]]</small>
*''[[Euphorbia lutulenta]]'' <small>([[Léon Croizat|Croizat]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia luzoniensis]]'' <small>[[E.D.Merrill]]</small>
*''[[Euphorbia lycioides]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia lydenburgensis]]'' <small>[[Schweik.]] & [[Cythna Letty|Letty]]</small>

== M ==
*''[[Euphorbia macella]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia macgillivrayi]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia machrisiae]]'' <small>[[Julian Alfred Steyermark|Steyerm.]]</small>
*''[[Euphorbia macinensis]]'' <small>[[Iuliu Prodán|Prodan]]</small>
*''[[Euphorbia macra]]'' <small>[[Hiern]]</small>
*''[[Euphorbia macraulonia]]'' <small>[[Rodolfo Amando Philippi|Phil.]]</small> 
*''[[Euphorbia macrocarpa]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia macroceras]]'' <small>[[Friedrich Ernst Ludwig von Fischer|Fisch.]] & [[Carl Anton von Meyer|C.A.Mey.]]</small>
*''[[Euphorbia macroclada]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia macroglypha]]'' <small>[[Charles Antoine Lemaire|Lem.]]</small> 
*''[[Euphorbia macrophylla]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia macropodoides]]'' <small>[[Benjamin Lincoln Robinson|B.L.Rob.]] & [[Jesse More Greenman|Greenm.]]</small> 
*''[[Euphorbia macropus]]'' <small> ([[Johann Friedrich Klotzsch|Klotzsch]] & [[Christian August Friedrich Garcke|Garcke]]) [[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Euphorbia macrorrhiza]]'' <small>[[Carl Anton von Meyer|C.A.Mey.]] ex [[Carl Friedrich von Ledebour|Ledeb.]]</small>
*''[[Euphorbia maculata]] '' <small>[[Carl Linnaeus|L.]]</small> 
*''[[Euphorbia macvaughiana]]'' <small>[[Marshall Conring Johnston|M.C.Johnst.]]</small>
*''[[Euphorbia macvaughii]]'' <small>[[Servando Carvajal Hernández|Carvajal]] & [[Lomeli]] ex [[Servando Carvajal Hernández|Carvajal]]</small>
*''[[Euphorbia maddenii]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia mafingensis]]'' <small>([[Hargreaves]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium mafingense'')
*''[[Euphorbia magdalenae]]'' <small>[[George Bentham|Benth.]]</small> 
*''[[Euphorbia magnicapsula]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
**''[[Euphorbia magnicapsula var. lacterosa]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
**''[[Euphorbia magnicapsula var. magnicapsula]]'' 
*''[[Euphorbia magnifica]]'' <small>([[E.A.Bruce]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium magnificum'')
*''[[Euphorbia mahabobokensis]]'' <small>[[Werner Rauh|Rauh]]</small> 
*''[[Euphorbia mahafalensis]]'' <small>[[Marcel Denis|Denis]]</small> 
**''[[Euphorbia mahafalensis var. mahafalensis]]'' 
**''[[Euphorbia mahafalensis var. xanthadenia]]'' <small>([[Marcel Denis|Denis]]) [[Jacques Désiré Leandri|Leandri]]</small> 
*''[[Euphorbia mainty]]'' <small>[[Marcel Denis|Denis]] ex [[Jacques Désiré Leandri|Leandri]]</small> 
*''[[Euphorbia maieri]]'' <small>[[Augustin Abel Hector Léveillé|H.Lév.]]</small>
*''[[Euphorbia makallensis]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia maleolens]]'' <small>[[Henry Phillips (botanist)|Phillips]]</small> 
*''[[Euphorbia malevola]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia malleata]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia malurensis]]'' <small>[[Karl Heinz Rechinger|Rech.f.]]</small>
*''[[Euphorbia malvana]]'' <small>[[René Maire|Maire]]</small>
*''[[Euphorbia mamfwensis]]'' <small>([[Malaisse]] & [[Lecron]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium mamfwense'')
*''[[Euphorbia mammillaris]]'' <small>[[Carl Linnaeus|L.]]</small> 
*''[[Euphorbia mananarensis]]'' <small>[[Jacques Désiré Leandri|Leandri]]</small>
*''[[Euphorbia mancinella]]'' <small>[[Louis Antoine François Baillon|Baillon]]</small>
*''[[Euphorbia mandrariensis]]'' <small>[[Emmanuel Drake del Castillo|Drake]]</small> 
*''[[Euphorbia mandravioky]]'' <small>[[Jacques Désiré Leandri|Leandri]]</small> 
*''[[Euphorbia mandshurica]]'' <small>[[Carl Maximowicz|Maxim.]]</small>
*''[[Euphorbia mangleti]]'' <small>[[Ignatz Urban|Urb.]]</small>
*''[[Euphorbia mangelsdorffii]]'' <small>[[Werner Rauh|Rauh]]</small> 
*''[[Euphorbia mangokyensis]]'' <small>[[Marcel Denis|Denis]]</small> 
*''[[Euphorbia mangorensis]]'' <small>[[Jacques Désiré Leandri|Leandri]]</small>
*''[[Euphorbia marayensis]]'' <small>[[Subils]]</small>
*''[[Euphorbia maresii]]'' <small>[[Knoche]]</small>
*''[[Euphorbia margalidiana]]'' <small>;[[Kuhbier]] & [[Lewej.]] ex [[Kuhbier]]</small> 
*''[[Euphorbia margaretae]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia marginata]]'' <small>[[Frederick Traugott Pursh|Pursh]]</small> 
*''[[Euphorbia marianoi]]'' <small>[[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia marie-cladieae]]'' <small>[[Alain Rzepecky|Rzepecky]]</small>
*''[[Euphorbia marilandica]]'' <small>[[Edward Lee Greene|Greene]]</small>
*''[[Euphorbia maritae]]'' <small>[[Werner Rauh|Rauh]]</small> 
*''[[Euphorbia marlothiana]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia marrupana]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> 
*''[[Euphorbia marsabitensis]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia marshalliana]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
**''[[Euphorbia marshalliana ssp. marshalliana]]''
**''[[Euphorbia marshalliana ssp. armenae]]'' <small>([[Jaroslav Ivanovic Prokhanov|Prokh.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia martinae]]'' <small>[[Werner Rauh|Rauh]]</small> 
*''[[Euphorbia masirahensis]]'' <small>[[S.A.Ghazanfar]]</small> 
*''[[Euphorbia matabelensis]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia matritensis]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia mauritanica]] '' <small>[[Carl Linnaeus|L.]]</small> 
**''[[Euphorbia mauritanica var. corallothamnus]]'' <small>[[Dinter]] ex [[A.C.White]], [[Robert Allen Dyer|R.A.Dyer]] & [[B.Sloane]]</small> 
**''[[Euphorbia mauritanica var. foetens]]'' <small>[[Dinter]] ex [[A.C.White]], [[Robert Allen Dyer|R.A.Dyer]] & [[B.Sloane]]</small> 
**''[[Euphorbia mauritanica var. lignosa]]'' <small>[[A.C.White]], [[Robert Allen Dyer|R.A.Dyer]] & [[B.Sloane]]</small> 
**''[[Euphorbia mauritanica var. mauritanica]] '' 
**''[[Euphorbia mauritanica var. minor]]'' <small>[[A.C.White]], [[Robert Allen Dyer|R.A.Dyer]] & [[B.Sloane]]</small> 
**''[[Euphorbia mauritanica var. namaquensis]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia maysillesii]]'' <small>[[Rogers McVaugh|McVaugh]]</small>
*''[[Euphorbia mayurnathanii]]'' <small>[[Léon Croizat|Croizat]]</small> 
*''[[Euphorbia mazarronensis]]'' <small>[[Esteve Chueca]]</small>
*''[[Euphorbia mazatlamensis]]'' <small>[[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia mazicum]]'' <small>[[Emb.]] & [[René Maire|Maire]]</small>
*''[[Euphorbia medicaginea]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia meenae]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia megalatlantica]]'' <small>[[J.Ball]]</small>
*''[[Euphorbia megalocarpa]]'' <small>[[Karl Heinz Rechinger|Rech.f.]]</small>
*''[[Euphorbia melanadenia]]'' <small>[[John Torrey|Torr.]]</small>
*''[[Euphorbia melanocarpa]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia melanohydrata]]'' <small>[[Gert Cornelius Nel|Nel]]</small> 
*''[[Euphorbia melapetala]]'' <small>[[Gasparr.]]</small>
*''[[Euphorbia melitensis]]'' <small>[[Filippo Parlatore|Parl.]]</small> 
*''[[Euphorbia meloformis]]'' <small>[[William Aiton|Aiton]]</small> 
**''[[Euphorbia meloformis ssp. meloformis]]'' 
**''[[Euphorbia meloformis ssp. valida]]'' <small> ([[Nicholas Edward Brown|N.E.Br.]]) [[G.D.Rowley]]</small> 
*''[[Euphorbia memoralis]]'' <small>[[Robert Allen Dyer|R.A.Dyer]]</small> (s)
*''[[Euphorbia mendezii]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia menelikii]]'' <small>[[Ferdinand Albin Pax|Pax]]</small>
*''[[Euphorbia mercurialina]]'' <small>[[André Michaux|Michx.]]</small> 
*''[[Euphorbia meridensis]]'' <small>[[Henri François Pittier|Pittier]]</small>
*''[[Euphorbia meridionalis]]'' <small>[[Peter René Oscar Bally|P.R.O.Bally]] & [[Susan Carter Holmes|S.Carter]]</small>
*''[[Euphorbia mertonii]]'' <small>[[Francis Raymond Fosberg|Fosberg]]</small>
*''[[Euphorbia mesembryanthemifolia]]'' <small>[[Nikolaus Joseph von Jacquin|Jacq.]]</small> 
*''[[Euphorbia meuleniana]]'' <small>[[Ernest Justus Schwartz|Schwartz]]</small> 
*''[[Euphorbia meuselii]]'' <small>[[Geltman]]</small>
*''[[Euphorbia mexiae]]'' <small>[[Paul Carpenter Standley|Standl.]]</small>
*''[[Euphorbia meyeniana]]'' <small>[[Johann Friedrich Klotzsch|Klotzsch]]</small>
*''[[Euphorbia meyeriana]]'' <small>[[Anatol I. Galushko|Galushko]]</small>
*''[[Euphorbia micracantha]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Euphorbia micractina]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia micradenia]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia microcarpa]]'' <small>([[Jaroslav Ivanovic Prokhanov|Prokh.]]) [[P.Klylov]]</small>
*''[[Euphorbia microcephala]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia microclada]]'' <small>[[Ignatz Urban|Urb.]]</small>
*''[[Euphorbia micromera]]'' <small>[[Pierre Edmond Boissier|Boiss.]] ex [[Georg Engelmann|Engelm.]]</small>
*''[[Euphorbia microsciadia]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia microsperma]]'' <small>([[Svante Samuel Murbeck|Murb.]]) [[Joseph Karl Maly|Maly]]</small>
*''[[Euphorbia microsphaera]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia migiurtinorum]]'' <small>[[Emilio Chiovenda|Chiov.]]</small> 
*''[[Euphorbia milii]]'' <small> [[Desmoul.]]</small> 
**''[[Euphorbia milii var. bevilaniensis]]'' <small> ([[Léon Croizat|Croizat]]) [[Eugène Ursch|Ursch]] & [[Jacques Désiré Leandri|Leandri]]</small> 
**''[[Euphorbia milii var. hislopii]]'' <small> ([[Nicholas Edward Brown|N.E.Br.]]) [[Eugène Ursch|Ursch]] & [[Jacques Désiré Leandri|Leandri]]</small> 
**''[[Euphorbia milii var. imperatae]]'' <small> ([[Jacques Désiré Leandri|Leandri]]) [[Eugène Ursch|Ursch]] & [[Jacques Désiré Leandri|Leandri]]</small> 
**''[[Euphorbia milii var. longifolia]]'' <small> [[Werner Rauh|Rauh]]</small> 
**''[[Euphorbia milii var. milii]]''
**''[[Euphorbia milii var. splendens]]'' <small> ([[Wenceslas Bojer|Bojer]] ex [[William Jackson Hooker|Hook.]]) [[Eugène Ursch|Ursch]] & [[Jacques Désiré Leandri|Leandri]]</small> 
**''[[Euphorbia milii var. tananarivae]]'' <small> ([[Jacques Désiré Leandri|Leandri]]) [[Eugène Ursch|Ursch]] & [[Jacques Désiré Leandri|Leandri]]</small> 
**''[[Euphorbia milii var. tenuispina]]'' <small> [[Werner Rauh|Rauh]] & [[A. Razafindratsira fl.|Razaf.]]</small> 
**''[[Euphorbia milii var. tulearensis]]'' <small> [[Eugène Ursch|Ursch]] & [[Jacques Désiré Leandri|Leandri]]</small> 
**''[[Euphorbia milii var. vulcanii]]'' <small> ([[Jacques Désiré Leandri|Leandri]]) [[Eugène Ursch|Ursch]] & [[Jacques Désiré Leandri|Leandri]]</small> 
*''[[Euphorbia millotii]]'' <small> [[Eugène Ursch|Ursch]] & [[Jacques Désiré Leandri|Leandri]]</small>
*''[[Euphorbia minbuensis]]'' <small>[[Andrew Thomas Gage|Gage]]</small>
*''[[Euphorbia minuta]]'' <small>[[Francisco Loscos y Bernal|Loscos]] & [[Pard.]]</small>
**''[[Euphorbia minuta ssp. minuta]]''
**''[[Euphorbia minuta ssp. moleroi]]'' <small>[[P.Montserrat Recoder]] & [[J.V.Ferrández Palacio]]</small>
*''[[Euphorbia minutifolia]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia minutula]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia minxianensis]]'' <small>[[W.T.Wang]]</small>
*''[[Euphorbia mira]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia misella]]'' <small>[[Sereno Watson|S.Watson]]</small>
*''[[Euphorbia misera]]'' <small>[[George Bentham|Benth.]]</small> 
*''[[Euphorbia missurica]]'' <small>[[Constantine Samuel Rafinesque-Schmaltz|Raf.]]</small>
*''[[Euphorbia mitchelliana]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia mitriformis]]'' <small>[[Peter René Oscar Bally|P.R.O.Bally]] & [[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia mixta]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia mlanjeana]]'' <small>[[L.C.Leach]]</small> (s)
*''[[Euphorbia mocinoi]]'' <small>[[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia moehringioides]]'' <small>[[Ferdinand Albin Pax|Pax]]</small>
*''[[Euphorbia monacantha]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia monadenoides]]'' <small>[[M.G.Gilbert]]</small>
*''[[Euphorbia monantha]]'' <small>[[Charles Wright (botanist)|C.Wright]] ex [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia monchiquensis]]'' <small>Franco & P. Silva</small>
*''[[Euphorbia monensis]]'' <small>([[Charles Frederick Millspaugh|Millsp.]]) [[Ignatz Urban|Urb.]]</small>
*''[[Euphorbia mongolica]]'' <small>([[Jaroslav Ivanovic Prokhanov|Prokh.]]) [[Jaroslav Ivanovic Prokhanov|Prokh.]]</small>
*''[[Euphorbia monostyla]]'' <small>([[Jaroslav Ivanovic Prokhanov|Prokh.]]) [[Jaroslav Ivanovic Prokhanov|Prokh.]]</small>
*''[[Euphorbia monteiri]]'' <small>[[Joseph Dalton Hooker|Hook.f.]]</small> 
**''[[Euphorbia monteiri ssp. brandbergensis]]'' <small>[[Bertil Nordenstam|B.Nord.]]</small> 
**''[[Euphorbia monteiri ssp. monteiri]]'' 
**''[[Euphorbia monteiri ssp. ramosa]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia montenegrina]]'' <small>([[Antonio Baldacci (botanist)|Baldacci]]) [[Joseph Karl Maly|Maly]]</small>
*''[[Euphorbia moratii]]'' <small>[[Werner Rauh|Rauh]]</small>
**''[[Euphorbia moratii var. antsingiensis]]'' <small>[[Cremers]]</small> 
**''[[Euphorbia moratii var. bemaharensis]]'' <small>[[Cremers]]</small> 
**''[[Euphorbia moratii var. moratii]]'' 
**''[[Euphorbia moratii var. multiflora]]'' <small>[[Werner Rauh|Rauh]]</small>
*''[[Euphorbia mosaica]]'' <small>[[Peter René Oscar Bally|P.R.O.Bally]] & [[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia mossambicensis]]'' <small> ([[Johann Friedrich Klotzsch|Klotzsch]] & [[Christian August Friedrich Garcke|Garcke]]) [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia mossamedensis]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small>
*''[[Euphorbia mucronulata]]'' <small>([[Jaroslav Ivanovic Prokhanov|Prokh.]]) [[Jaroslav Ivanovic Prokhanov|Prokh.]]</small>
*''[[Euphorbia muelleri]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia muirii]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia multiceps]]'' <small>[[Alwin Berger|A.Berger]]</small> 
*''[[Euphorbia multiclava]]'' <small>[[Peter René Oscar Bally|P.R.O.Bally]] & [[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia multifida]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia multifolia]]'' <small>[[A.C.White]], [[Robert Allen Dyer|R.A.Dyer]] & [[B.Sloane]]</small> 
*''[[Euphorbia multifoliosa]]'' <small>[[Marcus Eugene Jones|M.E.Jones]]</small>
*''[[Euphorbia multiformis]]'' <small>[[William Jackson Hooker|Hook.]] & [[George Arnott Walker-Arnott|Arn.]]</small>
*''[[Euphorbia multifurcata]]'' <small>[[Karl Heinz Rechinger|Rech.f.]], [[Paul Aellen|Aellen]] & [[Esfand.]] ex [[Karl Heinz Rechinger|Rech.f.]]</small>
*''[[Euphorbia multinodis]]'' <small>[[Ignatz Urban|Urb.]]</small>
*''[[Euphorbia multiseta]]'' <small>[[George Bentham|Benth.]]</small>
*''[[Euphorbia mundtii]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia munizii]]'' <small>[[Attila Borhidi|Borhidi]]</small>
*''[[Euphorbia muraltioides]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small>
*''[[Euphorbia muricata]]'' <small>[[Carl Peter Thunberg|Thunb.]]</small>
*''[[Euphorbia musciola]]'' <small>[[Merritt Lyndon Fernald|Fernald]]</small> 
*''[[Euphorbia musili]]'' <small>[[Velen.]]</small>
*''[[Euphorbia mwinilungensis]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia myrioclada]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia myrsinites]]'' <small>[[Carl Linnaeus|L.]]</small> 
**''[[Euphorbia myrsinites ssp. myrsinites]]'' 
**''[[Euphorbia myrsinites ssp. pontica]]'' <small>([[Jaroslav Ivanovic Prokhanov|Prokh.]]) [[R.Turner]]</small> 
**''[[Euphorbia myrsinites ssp. rechingeri]]'' <small>([[Werner Greuter|Greuter]]) [[Aldén]]</small> 
*''[[Euphorbia myrtillifolia]]'' <small>[[Carl Linnaeus|L.]]</small>
*''[[Euphorbia myrtoides]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>

== N ==
*''[[Euphorbia nagleri]] '' <small>([[Johann Friedrich Klotzsch|Klotzsch]] & [[Christian August Friedrich Garcke|Garcke]] ex [[Johann Friedrich Klotzsch|Klotzsch]]) [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia namibensis]]'' <small>[[Rudolf Marloth|Marloth]]</small> 
*''[[Euphorbia namuliensis]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> 
*''[[Euphorbia namuskluftensis]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia natalensis]]'' <small>[[Johann Jacob Bernhardi|Bernh.]] ex [[Krauss]]</small>
*''[[Euphorbia nayarensis]]'' <small>[[V.W.Steinm.]]</small>
*''[[Euphorbia nealleyi]]'' <small>[[Thomas Coulter|Coult.]] & [[Elmon McLean Fisher|Fisher]]</small>
*''[[Euphorbia nebrownii]]'' <small>[[Elmer Drew Merrill|Merr.]]</small>
*''[[Euphorbia negromontana]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small>
*''[[Euphorbia neilmulleri]]'' <small>[[Marshall Conring Johnston|M.C.Johnst.]]</small>
*''[[Euphorbia nematocypha]]'' <small>[[Heinrich R.E. Handel-Mazzetti|Hand.-Mazz.]]</small>
*''[[Euphorbia neoangolensis]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium angolense'')
*''[[Euphorbia neoarborescens]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium arborescens'')
*''[[Euphorbia neobosseri]]'' <small>[[Werner Rauh|Rauh]]</small> 
**''[[Euphorbia neobosseri var. itampolensis]]'' <small>[[Werner Rauh|Rauh]]</small> 
**''[[Euphorbia neobosseri var. neobosseri]]'' 
*''[[Euphorbia neocaledonica]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia neocapitata]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium capitatum'')
*''[[Euphorbia neococcinea]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium coccineum'')
*''[[Euphorbia neocrispa]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium crispum'')
*''[[Euphorbia neocymosa]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Synadenium cymosum'')
*''[[Euphorbia neoerubescens]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Lortia erubescens, Monadenium erubescens'')
*''[[Euphorbia neogillettii]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium gillettii'')
*''[[Euphorbia neoglabrata]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Synadenium glabratum'')
*''[[Euphorbia neoglaucescens]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Synadenium glaucescens'')
*''[[Euphorbia neogoetzei]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium goetzei'')
*''[[Euphorbia neogossweileri]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium gossweileri, Endadenium gossweileri'')
*''[[Euphorbia neogracilis]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium gracile'')
*''[[Euphorbia neohalipedicola]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Synadenium halipedicola'')
*''[[Euphorbia neohumbertii]]'' <small>[[Pierre L. Boiteau|Boiteau]]</small> 
*''[[Euphorbia neomontana]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium montanum'')
*''[[Euphorbia neoparviflora]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium parviflorum'')
*''[[Euphorbia neopedunculata]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium pedunculatum'')
*''[[Euphorbia neopolycnemoides]]'' <small>[[Ferdinand Albin Pax|Pax]] & [[K.Hoffmann]]</small>
*''[[Euphorbia neoreflexa]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium reflexum'')
*''[[Euphorbia neorubella]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium montanum'' var. ''rubellum,/ Monadenium rubellum'')
*''[[Euphorbia neorugosa]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium rugosum'')
*''[[Euphorbia neospinescens]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Stenadenium spinescens, Monadenium spinescens'')
*''[[Euphorbia neostapeliodes]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium stapelioides'')
**''[[Euphorbia neostapeliodes var. congesta]]'' <small>([[Peter René Oscar Bally|P.R.O.Bally]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium stapelioides'' var. ''congestum'')
**''[[Euphorbia neostapeliodes var. neostapeliodes]]'' (= ''Monadenium stapelioides'' var. ''stapelioides'')
*''[[Euphorbia neostolonifera]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium rhizophorum'' var. ''stoloniferum, Monadenium stoloniferum'')
*''[[Euphorbia neovirgata]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium virgatum'')
*''[[Euphorbia nephradenia]] '' <small>[[Rupert Charles Barneby|Barneby]]</small> 
*''[[Euphorbia nereidum]]'' <small>[[Jahandiez]] & [[René Maire|Maire]]</small>
*''[[Euphorbia neriifolia]]'' <small>[[Carl Linnaeus|L.]]</small> 
*''[[Euphorbia nesemannii]]'' <small>[[Robert Allen Dyer|R.A.Dyer]]</small> 
*''[[Euphorbia nevadensis]]'' <small>[[Pierre Edmond Boissier|Boiss.]] & [[George François Reuter|Reut.]]</small>
*''[[Euphorbia nicaeensis]]'' <small>[[Carlo Allioni|All.]]</small>
**''[[Euphorbia nicaeensis ssp. glareosa]]'' <small>([[Peter Simon von Pallas|Pall.]] ex [[Friedrich August Marschall von Bieberstein|M.Bieb.]]) [[Alan Radcliffe-Smith|Radcl.-Sm.]]</small>
**''[[Euphorbia nicaeensis ssp. cadrilateri]]'' <small>([[Prod.]]) [[B.Kuzmanov]]</small>
**''[[Euphorbia nicaeensis ssp. goldei]]'' <small>([[Prod.]]) [[Werner Rodolfo Greuter|Greuter]] & [[Hervé Maurice Burdet|Burdet]]</small>
**''[[Euphorbia nicaeensis ssp. lasiocarpa]]'' <small>([[Pierre Edmond Boissier|Boiss.]]) [[Alan Radcliffe-Smith|Radcl.-Sm.]] & [[Govaerts]]</small>
**''[[Euphorbia nicaeensis ssp. latibracteata]]'' <small>([[Prod.]]) [[B.Kuzmanov]]</small>
**''[[Euphorbia nicaeensis ssp. maleevii]]'' <small>([[Tamamshyan]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''[[Euphorbia nicaeensis ssp. nicaeensis]]''
**''[[Euphorbia nicaeensis ssp. prostrata]]'' <small>([[Adriano Fiori|Fiori]]) [[Arrigoni]]</small>
**''[[Euphorbia nicaeensis ssp. stepposa]]'' <small>([[Zoz]]) [[Werner Greuter|Greuter]] & [[Hervé Maurice Burdet|Burdet]]</small>
**''[[Euphorbia nicaeensis ssp. volgensis]]'' <small>([[Afrikan Nikolaevich Krishtofovich|Krysht.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia nicholasii]]'' <small>[[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia niciciana]]'' <small>[[Vinczé von Borbás|Borbás]]</small>
*''[[Euphorbia nigrispina]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small>
*''[[Euphorbia nigrispinoides]]'' <small>[[M.G.Gilbert]]</small>
*''[[Euphorbia niqueroana]]'' <small>[[Ignatz Urban|Urb.]]</small>
*''[[Euphorbia nivulia]]'' <small>[[Francis Buchanan-Hamilton|Buch.-Ham.]]</small> 
*''[[Euphorbia nocens]]'' <small>([[Louis Cutter Wheeler|L.C.Wheeler]]) [[V.W.Steinm.]]</small>
*''[[Euphorbia nodosa]]'' <small>[[Martinus Houttuyn|Houtt.]]</small>
*''[[Euphorbia nogalensis]]'' <small> ([[Arne Hässler|A.Hässl.]]) [[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia norfolkiana]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Euphorbia normannii]]'' <small>[[Johannes Theodor Schmalhausen|Schmalh.]] ex [[Vladimir Ippolitovich Lipsky|Lipsky]]</small>
*''[[Euphorbia notoptera]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia novorossica]]'' <small>[[Dubovik]]</small>
*''[[Euphorbia noxia]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia nubica]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia nubigena]]'' <small>[[L.C.Leach]]</small> 
**''[[Euphorbia nubigena var. nubigena]]'' 
**''[[Euphorbia nubigena var. rutilans]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia nudicaulis]] '' <small>[[George Samuel Perrottet|Perr.]]</small> 
*''[[Euphorbia nummularia]]'' <small>[[Joseph Dalton Hooker|Hook.f.]]</small>
*''[[Euphorbia nutans]]'' <small>[[Mariano Lagasca y Segura|Lag.]]</small>
*''[[Euphorbia nyassae]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia nyikae]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
**''[[Euphorbia nyikae var. neovolkensii]]'' <small>([[Ferdinand Albin Pax|Pax]]) [[Susan Carter Holmes|S.Carter]]</small> 
**''[[Euphorbia nyikae var. nyikae]]''

== O ==
*''[[Euphorbia oatesii]]'' <small>[[Robert Allen Rolfe|Rolfe]]</small> 
*''[[Euphorbia oaxacana]]'' <small>[[Benjamin Lincoln Robinson|B.L.Rob.]] & [[Jesse More Greenman|Greenm.]]</small> 
*''[[Euphorbia obconica]]'' <small>[[Wenceslas Bojer|Bojer]] ex [[Nicholas Edward Brown|N.E.Br.]]</small>
*''[[Euphorbia obcordata]]'' <small>[[Isaac Bayley Balfour|Balf.f.]]</small> 
*''[[Euphorbia obesa]]'' <small>[[Joseph Dalton Hooker|Hook.f.]]</small> 
**''[[Euphorbia obesa ssp. obesa]]'' 
**''[[Euphorbia obesa ssp. symmetrica]]'' <small> ([[A.C.White]], [[Robert Allen Dyer|R.A.Dyer]] & [[B.Sloane]]) [[G.D.Rowley]]</small> 
*''[[Euphorbia oblanceolata]]'' <small>[[Isaac Bayley Balfour|Balf.f.]]</small> 
*''[[Euphorbia obliqua]]'' <small>[[F.Bauer]] ex [[Stephan Friedrich Ladislaus Endlicher|Endl.]]</small>
*''[[Euphorbia oblongata]] '' <small>[[Griseb]]</small> - Eggleaf spurge, oblong spurge
*''[[Euphorbia oblongifolia]]'' <small>([[Karl Heinrich Emil Koch (botanist)|K.Koch]]) [[Karl Heinrich Emil Koch (botanist)|K.Koch]]</small>
*''[[Euphorbia obovata]]'' <small>[[Joseph Decaisne|Decne.]]</small> 
*''[[Euphorbia obtusata]]'' <small>[[Frederick Traugott Pursh|Pursh]]</small>
*''[[Euphorbia occidentaustralica]]'' <small>[[Alan Radcliffe-Smith|Radcl.-Sm.]] & [[Govaerts]]</small>
*''[[Euphorbia ocellata]]'' <small>[[Elias Durand|Durand]] & [[Hilg.]]</small>
**''[[Euphorbia ocellata ssp. arenicola]]'' <small>([[Parisch]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''[[Euphorbia ocellata ssp. ocellata]]''
**''[[Euphorbia ocellata ssp. rattanii]]'' <small>([[Sereno Watson|S.Watson]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia octoradiata]]'' <small>[[Augustin Abel Hector Léveillé|H.Lév.]] & [[Eugene Vaniot|Vaniot]] ex [[Augustin Abel Hector Léveillé|H.Lév.]]</small>
*''[[Euphorbia ocymoidea]]'' <small>[[Carl Linnaeus|L.]]</small>
*''[[Euphorbia odontadenia]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia odontophora]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia oerstediana]] '' <small>([[Johann Friedrich Klotzsch|Klotzsch]] & [[Christian August Friedrich Garcke|Garcke]] ex [[Johann Friedrich Klotzsch|Klotzsch]]) [[Pierre Edmond Boissier|Boiss.]]</small> - West Indian spurge
*''[[Euphorbia officinalis]]'' <small>[[Peter Forsskål|Forssk.]]</small>
*''[[Euphorbia officinarum]]'' <small>[[Carl Linnaeus|L.]]</small> 
*''[[Euphorbia ogadenensis]]'' <small>[[Peter René Oscar Bally|P.R.O.Bally]] & [[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia oidorhiza]]'' <small>[[Antonina Ivanovna Pojarkova|Pojark.]]</small>
*''[[Euphorbia oligoclada]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia olowaluana]]'' <small>[[Sherff]]</small> Akoko ([[Hawaii (island)|Island of Hawaii]], [[Maui]])
*''[[Euphorbia omariana]]'' <small>[[M.G.Gilbert]]</small> 
*''[[Euphorbia ophthalmica]]'' <small>[[Rers.]]</small>
*''[[Euphorbia opuntioides]]'' <small>[[Friedrich Welwitsch|Welw.]] ex [[Hiern]]</small> 
*''[[Euphorbia orabensis]]'' <small>[[Kurt Dinter|Dinter]]</small>
*''[[Euphorbia oranensis]]'' <small>([[Léon Croizat|Croizat]]) [[Subils]]</small>
*''[[Euphorbia orbiculata]]'' <small>[[Carl Sigismund Kunth|Kunth]]</small>
*''[[Euphorbia orbiculifolia]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia orbifolia]]'' <small>([[Alain (botanist)|Alain]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia orientalis]]'' <small>[[Carl Linnaeus|L.]]</small>
*''[[Euphorbia origanoides]]'' <small>[[Carl Linnaeus|L.]]</small>
*''[[Euphorbia orizabae]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia ornithopus]]'' <small>[[Nikolaus Joseph von Jacquin|Jacq.]]</small> 
*''[[Euphorbia orobanchoides]]'' <small>([[Peter René Oscar Bally|P.R.O.Bally]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium orobanchoides'')
**''[[Euphorbia orobanchoides var. calycina]]'' <small>([[Peter René Oscar Bally|P.R.O.Bally]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium orobanchoides'' var. ''calycinum'')
**''[[Euphorbia orobanchoides var. orobanchoides]]'' (= ''Monadenium orobanchoides'' var. ''orobanchoides'')
*''[[Euphorbia orphanidis]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia orthoclada]]'' <small>[[John Gilbert Baker|Baker]]</small> 
**''[[Euphorbia orthoclada ssp. orthoclada]]'' 
**''[[Euphorbia orthoclada ssp. vepretorum]]'' <small> ([[Emmanuel Drake del Castillo|Drake]]) [[Jacques Désiré Leandri|Leandri]]</small> 
*''[[Euphorbia oryctis]]'' <small>[[Kurt Dinter|Dinter]]</small>
*''[[Euphorbia oschtenica]]'' <small>[[Anatol I. Galushko|Galushko]]</small>
*''[[Euphorbia osyridae]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia osyridiformis]]'' <small>[[Ahmed Parsa|Parsa]]</small>
*''[[Euphorbia otjipembana]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia ouachitana]]'' <small>Mayfield</small>
*''[[Euphorbia ovalleana]]'' <small>[[Rodolfo Amando Philippi|Phil.]]</small>
*''[[Euphorbia ovata]]'' <small>([[Johann Friedrich Klotzsch|Klotzsch]] & [[Christian August Friedrich Garcke|Garcke]] ex [[Johann Friedrich Klotzsch|Klotzsch]]) [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia oxycoccoides]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia oxyodonta]]'' <small>[[Pierre Edmond Boissier|Boiss.]] & [[Heinrich Carl Haussknecht|Hausskn.]] ex [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia oxyphylla]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Euphorbia oxystegia]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>

== P ==
*''[[Euphorbia pachyclada]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia pachypoda]]'' <small>[[Ignatz Urban|Urb.]]</small>
*''[[Euphorbia pachypodioides]]'' <small>[[Pierre L. Boiteau|Boiteau]]</small> 
*''[[Euphorbia pachyrrhiza]]'' <small>[[Kar.]] & [[Kir.]]</small>
*''[[Euphorbia pachysantha]]'' <small>[[Henri Ernest Baillon|Baill.]]</small> 
*''[[Euphorbia paganorum]]'' <small>[[Auguste Jean Baptiste Chevalier|A.Chev.]]</small> 
*''[[Euphorbia palmeri]]'' <small>[[Georg Engelmann|Engelm.]] ex [[Sereno Watson|S.Watson]]</small>
*''[[Euphorbia paludicola]]'' <small>[[Rogers McVaugh|McVaugh]]</small>
*''[[Euphorbia palustris]]'' <small>[[Carl Linnaeus|L.]]</small>
*''[[Euphorbia pamirica]]'' <small>([[Jaroslav Ivanovic Prokhanov|Prokh.]]) [[Jaroslav Ivanovic Prokhanov|Prokh.]]</small>
*''[[Euphorbia pampeana]]'' <small>[[Speg.]]</small> 
*''[[Euphorbia pancheri]]'' <small>[[Louis Antoine François Baillon|Baillon]]</small> 
*''[[Euphorbia panchganiensis]]'' <small>[[Blatt.]] & [[Yale McCann|McCann]] ex [[Blatt.]]</small> 
*''[[Euphorbia pancicii]]'' <small>[[G.Beck]]</small>
*''[[Euphorbia paniculata]]'' <small>[[René Louiche Desfontaines|Desf.]]</small>
*''[[Euphorbia panjutinii]]'' <small>[[Alexander Alfonsovich Grossheim|Grossh.]]</small>
*''[[Euphorbia pantomalaca]]'' <small>[[Paul Carpenter Standley|Standl.]] & [[Julian Alfred Steyermark|Steyerm.]]</small> 
*''[[Euphorbia papilionum]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia papillaris]]'' <small> ([[Georg Jan|Jan]] ex [[Pierre Edmond Boissier|Boiss.]]) [[Raffaelli]] & [[Ricceri]]</small> 
*''[[Euphorbia papillosa]]'' <small>[[Augustin Saint-Hilaire|A.St.-Hil.]]</small> 
**''[[Euphorbia papillosa var. erythrorrhiza]]'' <small>([[Pierre Edmond Boissier|Boiss.]]) [[Subils]]</small> 
**''[[Euphorbia papillosa var. papillosa]]'' 
*''[[Euphorbia papillosicapsa]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia paradoxa]]'' <small>([[Philipp Johann Ferdinand Schur|Schur]]) [[Simonk.]]</small>
*''[[Euphorbia paralias]]'' <small>[[Carl Linnaeus|L.]]</small> 
*''[[Euphorbia paranensis]]'' <small>[[Dusén]]</small>
*''[[Euphorbia parciflora]]'' <small>[[Ignatz Urban|Urb.]]</small>
*''[[Euphorbia parciramulosa]]'' <small>[[Georg August Schweinfurth|Schweinf.]]</small> 
*''[[Euphorbia paredonensis]]'' <small>([[Charles Frederick Millspaugh|Millsp.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia parifolia]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small>
*''[[Euphorbia parishii]]'' <small>[[Edward Lee Greene|Greene]]</small>
*''[[Euphorbia parodii]]'' <small>[[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia parryi]]'' <small>[[Georg Engelmann|Engelm.]]</small>
*''[[Euphorbia parva]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small>
*''[[Euphorbia parvicaruncula]]'' <small>[[D.C.Hassall]]</small> 
*''[[Euphorbia parviceps]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia parvicyathophora]]'' <small>[[Werner Rauh|Rauh]]</small> 
*''[[Euphorbia parviflora]]'' <small>[[Carl Linnaeus|L.]]</small>
*''[[Euphorbia parvula]]'' <small>[[Alire Raffeneau Delile|Delile]]</small>
*''[[Euphorbia patula]]'' <small>[[P.Miller]]</small>
*''[[Euphorbia patentispina]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia paucipila]]'' <small>[[Ignatz Urban|Urb.]]</small>
*''[[Euphorbia pauciradiata]]'' <small>[[Blatt.]]</small>
*''[[Euphorbia paulianii]]'' <small>[[Eugène Ursch|Ursch]] & [[Jacques Désiré Leandri|Leandri]]</small> 
*''[[Euphorbia paxiana]]'' <small>[[Kurt Dinter|Dinter]]</small>
*''[[Euphorbia pedemontana]]'' <small>[[L.C.Leach]]</small>
*''[[Euphorbia pedersenii]]'' <small>[[Subils]]</small>
*''[[Euphorbia pediculifera]]'' <small>[[Georg Engelmann|Engelm.]]</small>
*''[[Euphorbia pedilanthoides]]'' <small>[[Marcel Denis|Denis]]</small> 
*''[[Euphorbia pedroi]]'' <small>[[Molero]] & [[Ana María Rovira|Rovira]]</small> 
*''[[Euphorbia peganoides]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia peisonis]]'' <small>[[Karl Rechinger|Rech.]]</small>
*''[[Euphorbia pekinensis]]'' <small>[[Franz Josef Ruprecht|Rupr.]]</small>
**''[[Euphorbia pekinensis ssp. asoensis]]'' <small>Kurosawa & [[H.Ohashi]]</small>
**''[[Euphorbia pekinensis ssp. fauriei]]'' <small>Kurosawa & [[H.Ohashi]]</small>
**''[[Euphorbia pekinensis ssp. lasiocaula]]'' <small>[[Pierre Edmond Boissier|Boiss.]] & [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''[[Euphorbia pekinensis ssp. pekinensis]]''
**''[[Euphorbia pekinensis ssp. pseudolucorum]]'' <small>[[Isao Hurusawa|Hurus.]] & [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''[[Euphorbia pekinensis ssp. sinanensis]]'' <small>[[Isao Hurusawa|Hurus.]] & [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''[[Euphorbia pekinensis ssp. subulatifolius]]'' <small>[[Isao Hurusawa|Hurus.]] & [[T.B.Lee]]</small>
**''[[Euphorbia pekinensis ssp. watanabei]]'' <small>[[Tomitaro Makino|Makino]] & [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia pellegrinii]]'' <small>[[Jacques Désiré Leandri|Leandri]]</small>
*''[[Euphorbia peltata]]'' <small>[[William Roxburgh|Roxb.]]</small>
*''[[Euphorbia peninsularis]]'' <small>[[Ivan Murray Johnston|I.M.Johnst.]]</small>
*''[[Euphorbia pentadactyla]]'' <small>[[Griseb]]</small>
*''[[Euphorbia pentagona]]'' <small>[[Adrian Hardy Haworth|Haw.]]</small> 
*''[[Euphorbia pentlandii]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia pentops]]'' <small>[[A.C.White]], [[Robert Allen Dyer|R.A.Dyer]] & [[B.Sloane]]</small> 
*''[[Euphorbia peperomioides]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia peplidion]]'' <small>[[Georg Engelmann|Engelm.]]</small>
*''[[Euphorbia peplis]]'' <small>[[Carl Linnaeus|L.]]</small> 
*''[[Euphorbia peplus]]'' <small>[[Carl Linnaeus|L.]]</small> 
*''[[Euphorbia perangusta]]'' <small>[[Robert Allen Dyer|R.A.Dyer]]</small> 
*''[[Euphorbia perangustifolia]]'' <small>[[Susan Carter Holmes|S.Carter]]</small>
*''[[Euphorbia perarmata]]'' <small>[[Susan Carter Holmes|S.Carter]]1992</small> 
*''[[Euphorbia perbracteata]]'' <small>[[Andrew Thomas Gage|Gage]]</small>
*''[[Euphorbia perennans]]'' <small>([[Lloyd Herbert Shinners|Shinners]]) [[Barton Holland Warnock|Warnock]] & [[Ivan Murray Johnston|I.M.Johnst.]]</small>
*''[[Euphorbia pereskiifolia]]'' <small>[[Henri Ernest Baillon|Baill.]]</small> (= ''Synadenium pereskiifolium'')
*''[[Euphorbia perfoliata]]'' <small>[[Scheutz]]</small>
*''[[Euphorbia pergracilis]]'' <small>[[P.G.Mey.]]</small>
*''[[Euphorbia peritropoides]]'' <small>([[Charles Frederick Millspaugh|Millsp.]]) [[V.W.Steinm.]]</small> (= ''Pedilanthus peritropoides'')
*''[[Euphorbia perlignea]]'' <small>[[Rogers McVaugh|McVaugh]]</small>
*''[[Euphorbia perpera]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia perplexa]]'' <small>[[L.C.Leach]]</small> 
**''[[Euphorbia perplexa var. kasamana]]'' <small>[[L.C.Leach]]</small> 
**''[[Euphorbia perplexa var. perplexa]]'' 
*''[[Euphorbia perrieri]]'' <small>[[Emmanuel Drake del Castillo|Drake]]</small> 
**''[[Euphorbia perrieri var. elongata]]'' <small>[[Marcel Denis|Denis]]</small> 
**''[[Euphorbia perrieri var. perrieri]]'' 
*''[[Euphorbia persistentifolia]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia personata]]'' <small>[[Léon Croizat|Croizat]] & [[V.W.Steinm.]]</small> (= ''Pedilanthus personatus'')
*''[[Euphorbia peruviana]]'' <small>[[Louis Cutter Wheeler|L.C.Wheeler]]</small>
*''[[Euphorbia pervilleana]]'' <small>[[Louis Antoine François Baillon|Baillon]]</small> 
*''[[Euphorbia pestalozzae]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia petala]]'' <small>[[Alfred James Ewart|Ewart]] & [[L.R.Kerr]]</small>
*''[[Euphorbia pervittata]]'' <small>[[Susan Carter Holmes|S.Carter]]</small>
*''[[Euphorbia petiolaris]]'' <small>[[John Sims (taxonomist)|Sims]]</small> 
*''[[Euphorbia petiolata]]'' <small>[[Joseph Banks|Banks]] & [[Daniel Solander|Sol.]]</small>
*''[[Euphorbia petitiana]]'' <small>[[Achille Richard|A.Rich.]]</small>
*''[[Euphorbia petraea]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia petricola]]'' <small>[[Peter René Oscar Bally|P.R.O.Bally]] & [[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia petrina]]'' <small>[[Sereno Watson|S.Watson]]</small>
*''[[Euphorbia petrophila]]'' <small>[[Carl Anton von Meyer|C.A.Mey.]]</small>
*''[[Euphorbia pettersonii]]'' <small>[[Eric R. Svensson Sventenius|Svent.]]</small>
*''[[Euphorbia pfeilii]]'' <small>[[Ferdinand Albin Pax|Pax]]</small>
*''[[Euphorbia philippiana]]'' <small>([[Johann Friedrich Klotzsch|Klotzsch]] & [[Christian August Friedrich Garcke|Garcke]] ex [[Johann Friedrich Klotzsch|Klotzsch]]) [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia phillipsiae]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia phillipsioides]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia phosphorea]]'' <small>[[Carl Friedrich Philipp von Martius|Mart.]]</small>
*''[[Euphorbia phylloclada]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Euphorbia phymatosperma]]'' <small>[[Pierre Edmond Boissier|Boiss.]] & [[Gaill.]] ex [[Pierre Edmond Boissier|Boiss.]]</small>
**''[[Euphorbia phymatosperma ssp. cernua]]'' <small>([[Ernest Saint-Charles Cosson|Coss.]] & [[Michel Charles Durieu de Maisonneuve|Durieu]]) [[Vindt]]</small>
**''[[Euphorbia phymatosperma ssp. phymatosperma]]''
*''[[Euphorbia physalifolia]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia phosocaulos]]'' <small>[[Mouterde]]</small>
*''[[Euphorbia physoclada]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Euphorbia picachensis]]'' <small>[[Townshend Stith Brandegee|Brandegee]]</small>
*''[[Euphorbia pillansii]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
**''[[Euphorbia pillansii var. albovirens]]'' <small>[[A.C.White]], [[Robert Allen Dyer|R.A.Dyer]] & [[B.Sloane]]</small> 
**''[[Euphorbia pillansii var. pillansii]]'' 
**''[[Euphorbia pillansii var. ramosissima]]'' <small>[[A.C.White]], [[Robert Allen Dyer|R.A.Dyer]] & [[B.Sloane]]</small> 
*''[[Euphorbia pilosa]]'' <small>[[Carl Linnaeus|L.]]</small>
**''[[Euphorbia pilosa ssp. ojensis]]'' <small>[[Nikolay V. Stepanov|Stepanov]]</small>
**''[[Euphorbia pilosa ssp. pilosa]]''
*''[[Euphorbia pilosissima]]'' <small>[[Susan Carter Holmes|S.Carter]]</small>
*''[[Euphorbia pinariona]]'' <small>[[Ignatz Urban|Urb.]]</small>
*''[[Euphorbia pinetorum]]'' <small>([[John Kunkel Small|Small]]) [[Grady Linder Webster|G.L.Webster]]</small> 
*''[[Euphorbia pinkavana]]'' <small>[[Ivan Murray Johnston|I.M.Johnst.]]</small>
*''[[Euphorbia pionosperma]]'' <small>[[V.W.Steinm.]] & [[Richard Stephen Felger|Felger]]</small>
*''[[Euphorbia pirottae]]'' <small>[[A.Terracc.]]</small> 
*''[[Euphorbia piscatoria]]'' <small>[[William Aiton|Aiton]]</small> 
*''[[Euphorbia piscidermis]]'' <small>[[M.G.Gilbert]]</small> 
*''[[Euphorbia piscida]]'' <small>[[Hub.-Mor.]] & [[M.S.Khan]] ex [[M.S.Khan]]</small>
*''[[Euphorbia pitcairnensis]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small>
*''[[Euphorbia pithyusa]]'' <small>[[Carl Linnaeus|L.]]</small>
**''[[Euphorbia pithyusa ssp. cupanii]]'' <small>([[Giovanni Gussone|Guss.]] ex [[Antonio Bertoloni|Bertol.]]) [[Alan Radcliffe-Smith|Radcl.-Sm.]]</small>
**''[[Euphorbia pithyusa ssp. dianthifolia]]'' <small>([[Lojac.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''[[Euphorbia pithyusa ssp. pithyusa]]''
*''[[Euphorbia plagiantha]]'' <small>[[Emmanuel Drake del Castillo|Drake]]</small> 
*''[[Euphorbia planiceps]]'' <small>[[A.C.White]], [[Robert Allen Dyer|R.A.Dyer]] & [[B.Sloane]]</small> 
*''[[Euphorbia planiticola]]'' <small>[[D.C.Hassall]]</small> 
*''[[Euphorbia platycephala]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia platyclada]]'' <small>[[Werner Rauh|Rauh]]</small> 
**''[[Euphorbia platyclada var. hardyi]]'' <small>[[Werner Rauh|Rauh]]</small> 
**''[[Euphorbia platyclada var. platyclada]]'' 
*''[[Euphorbia platyphyllos]]'' <small>[[Carl Linnaeus|L.]]</small> 
*''[[Euphorbia platypoda]]'' <small>[[Ferdinand Albin Pax|Pax]]</small>
*''[[Euphorbia platyrrhiza]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia platysperma]]'' <small>[[Georg Engelmann|Engelm.]] ex [[Sereno Watson|S.Watson]]</small>
*''[[Euphorbia plebeia]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia plenispina]]'' <small>[[Susan Carter Holmes|S.Carter]]</small>
*''[[Euphorbia plicata]]'' <small>[[Sereno Watson|S.Watson]]</small>
*''[[Euphorbia plumerioides]]'' <small>[[Johannes Elias Teijsmann|Teijsm.]] ex [[Justus Carl Hasskarl|Hassk.]]</small> 
*''[[Euphorbia plummeriae]]'' <small>[[Sereno Watson|S.Watson]]</small>
*''[[Euphorbia podadenia]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia podocarpifolia]]'' <small>[[Ignatz Urban|Urb.]]</small> 
*''[[Euphorbia poecilophylla]]'' <small>([[Jaroslav Ivanovic Prokhanov|Prokh.]]) [[Jaroslav Ivanovic Prokhanov|Prokh.]]</small>
*''[[Euphorbia poeppigii]]'' <small>([[Johann Friedrich Klotzsch|Klotzsch]] & [[Christian August Friedrich Garcke|Garcke]] ex [[Johann Friedrich Klotzsch|Klotzsch]]) [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia poissonii]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia polyacantha]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Euphorbia polyantha]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia polycarpa]]'' <small>[[George Bentham|Benth.]]</small>
*''[[Euphorbia polycephala]]'' <small>[[Rudolf Marloth|Marloth]]</small> 
*''[[Euphorbia polychroma]]'' <small>[[Anton Josef Kerner]]</small> (lihat juga [[Euphorbia epithymoides]])
*''[[Euphorbia polycnemoides]]'' <small>[[Christian Ferdinand Friedrich Hochstetter|Hochst.]] ex [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia polygalifolia]]'' <small>[[Pierre Edmond Boissier|Boiss.]] & [[George François Reuter|Reut.]] ex [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia polygona]]'' <small>[[Adrian Hardy Haworth|Haw.]]</small> 
*''[[Euphorbia polygonifolia]]'' <small>[[Carl Linnaeus|L.]]</small>
*''[[Euphorbia polyphylla]]'' <small>[[Georg Engelmann|Engelm.]] ex [[Holz.]]</small> 
*''[[Euphorbia polytimetica]]'' <small>([[Jaroslav Ivanovic Prokhanov|Prokh.]]) [[Jaroslav Ivanovic Prokhanov|Prokh.]]</small>
*''[[Euphorbia ponderosa]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia pondii]]'' <small>[[Charles Frederick Millspaugh|Millsp.]]</small>
*''[[Euphorbia popayanensis]]'' <small>[[Jaroslav Ivanovic Prokhanov|Prokh.]]</small>
*''[[Euphorbia porphyrantha]]'' <small>[[Rodolfo Amando Philippi|Phil.]]</small> 
*''[[Euphorbia porphyrastra]]'' <small>[[Heinrich R.E. Handel-Mazzetti|Hand.-Mazz.]]</small>
*''[[Euphorbia porteriana]]'' <small>([[John Kunkel Small|Small]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''[[Euphorbia porteriana var. keyensis]]'' <small>([[John Kunkel Small|Small]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''[[Euphorbia porteriana var. porteriana]]''
**''[[Euphorbia porteriana var. scoparia]]'' <small>([[John Kunkel Small|Small]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia portlandica]]'' <small>[[Carl Linnaeus|L.]]</small>
*''[[Euphorbia portucasadiana]]'' <small>([[Léon Croizat|Croizat]]) [[Subils]]</small>
*''[[Euphorbia portulacoides]]'' <small>[[Carl Linnaeus|L.]]</small> 
**''[[Euphorbia portulacoides ssp. collina]]'' <small> ([[Rodolfo Amando Philippi|Phil.]]) [[Léon Croizat|Croizat]]</small> 
**''[[Euphorbia portulacoides ssp. major]]'' <small> ([[Johannes Müller Argoviensis|Müll.Arg.]]) [[Léon Croizat|Croizat]]</small> 
**''[[Euphorbia portulacoides ssp. portulacoides]]'' 
*''[[Euphorbia postii]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia potanii]]'' <small>[[Jaroslav Ivanovic Prokhanov|Prokh.]]</small>
*''[[Euphorbia potentilloides]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia potosina]]'' <small>[[Merritt Lyndon Fernald|Fernald]]</small>
*''[[Euphorbia prieuriana]]'' <small>[[Louis Antoine François Baillon|Baillon]]</small>
*''[[Euphorbia primulifolia]]'' <small>[[John Gilbert Baker|Baker]]</small> 
**''[[Euphorbia primulifolia var. begardii]]'' <small>[[Cremers]]</small> 
**''[[Euphorbia primulifolia var. primulifolia]]'' 
*''[[Euphorbia proballyana]]'' <small>[[L.C.Leach]]</small> 
**''[[Euphorbia proballyana var. multangula]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
**''[[Euphorbia proballyana var. proballyana]]'' 
*''[[Euphorbia proctorii]]'' <small>([[D.G.Burch]]) [[Donovan Stewart Correll|Correll]]</small>
*''[[Euphorbia prolifera]]'' <small>[[Francis Buchanan-Hamilton|Buch.-Ham.]] ex [[David Don|D.Don]]</small>
*''[[Euphorbia promeocarpa]]'' <small>[[P.H.Davis]]</small>
*''[[Euphorbia prona]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia propingua]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small>
*''[[Euphorbia prostrata]]'' <small>[[William Aiton|Aiton]]</small>
**''[[Euphorbia prostrata ssp. caudirhiza]]'' <small>[[Francis Raymond Fosberg|Fosberg]]</small>
**''[[Euphorbia prostrata ssp. prostrata]]''
*''[[Euphorbia przewalskii]]'' <small>[[Jaroslav Ivanovic Prokhanov|Prokh.]]</small>
*''[[Euphorbia psammophila]]'' <small>[[Ernst Heinrich Georg Ule|Ule]]</small> 
*''[[Euphorbia pseudagraria]]'' <small>[[P.A.Smirn.]]</small>
*''[[Euphorbia pseudoapios]]'' <small>[[René Maire|Maire]] & [[Marc Weiller|Weiller]]</small> 
*''[[Euphorbia pseudoburuana]]'' <small>[[Peter René Oscar Bally|P.R.O.Bally]] & [[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia pseudocactus]]'' <small>[[Alwin Berger|A.Berger]]</small> 
*''[[Euphorbia pseudodendroides]]'' <small>[[H.Lindb.]]</small>
*''[[Euphorbia pseudoduseimata]]'' <small>[[Robert Allen Dyer|R.A.Dyer]]</small> 
*''[[Euphorbia pseudofalcata]]'' <small>[[Emilio Chiovenda|Chiov.]]</small>
*''[[Euphorbia pseudofulva]]'' <small>[[Faustino Miranda|Miranda]]</small>
*''[[Euphorbia pseudoglareosa]]'' <small>[[Michail Vasiljevich Klokov|Klokov]]</small>
*''[[Euphorbia pseudoglobosa]]'' <small>[[Rudolf Marloth|Marloth]]</small> 
*''[[Euphorbia pseudograntii]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''"[[Euphorbia pseudograntii]]"'' <small>[[Peter Vincent Bruyns|Bruyns]] 2006 (''non'' Pax: preoccupied)</small> (= ''Synadenium grantii'')
*''[[Euphorbia pseudohirsuta]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium hirsutum'')
*''[[Euphorbia pseudohypogaea]]'' <small>[[Kurt Dinter|Dinter]]</small> 
*''[[Euphorbia pseudolaevis]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium laeve'')
*''[[Euphorbia pseudolucida]]'' <small>[[Philipp Johann Ferdinand Schur|Schur]]</small>
*''[[Euphorbia pseudomollis]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Synadenium molle'')
*''[[Euphorbia pseudonervosa]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium nervosum'')
*''[[Euphorbia pseudonudicaulis]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium nudicaule'')
*''[[Euphorbia pseudopetiolata]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium petiolatum'')
*''[[Euphorbia pseudoracemosa]]'' <small>([[Peter René Oscar Bally|P.R.O.Bally]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium pseudoracemosum'')
**''[[Euphorbia pseudoracemosa var. lorifolia]]'' <small>([[Peter René Oscar Bally|P.R.O.Bally]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium pseudoracemosum'' var. ''lorifolium'')
**''[[Euphorbia pseudoracemosa var. pseudoracemosa]]'' (= ''Monadenium pseudoracemosum'' var. ''pseudoracemosum'')
*''[[Euphorbia pseudosikkimensis]]'' <small>([[Isao Hurusawa|Hurus.]] & [[Tyôzaburô Tanaka|Tanaka]]) [[Alan Radcliffe-Smith|Radcl.-Sm.]]</small>
*''[[Euphorbia pseudosimplex]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium simplex'')
*''[[Euphorbia pseudostellata]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium stellatum'')
*''[[Euphorbia pseudotrinervis]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium trinerve'')
*''[[Euphorbia pseudotuberosa]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia pseudovolkensii]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Synadenium volkensii'')
*''[[Euphorbia pteroclada]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia pterococca]]'' <small>[[Felix de Silva Avellar Brotero|Brot.]]</small>
*''[[Euphorbia pteroneura]]'' <small>[[Alwin Berger|A.Berger]]</small> 
*''[[Euphorbia pubentissima]]'' <small>[[André Michaux|Michx.]]</small> - False flowering spurge
*''[[Euphorbia puberula]]'' <small>[[Merritt Lyndon Fernald|Fernald]]</small>
*''[[Euphorbia pubicaulis]]'' <small>[[Spencer Le Marchant Moore|S.Moore]]</small>
*''[[Euphorbia pubiglans]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia pudibunda]]'' <small>([[Peter René Oscar Bally|P.R.O.Bally]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium pudibundum'')
*''[[Euphorbia pudibunda var. lanata]]'' <small>([[Susan Carter Holmes|S.Carter]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium pudibundum'' var. ''lanatum'')
*''[[Euphorbia pudibunda var. rotundifolia]]'' <small>([[Malaysse]] & [[Lecron]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium pudibundum'' var. ''rotundifolium'')
*''[[Euphorbia pudibunda var. pudibunda]]'' (= ''Monadenium pudibundum'' var. ''pudibundum'')
*''[[Euphorbia pueblensis]]'' <small>[[Townshend Stith Brandegee|Brandegee]]</small>
*''[[Euphorbia pugniformis]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Kastuba|Euphorbia pulcherrima]]'' <small>[[Carl Ludwig Willdenow|Willd.]] ex [[Johann Friedrich Klotzsch|Klotzsch]]</small> – **Kastuba**
*''[[Euphorbia pulvinata]]'' <small>[[Rudolf Marloth|Marloth]]</small> 
*''[[Euphorbia pumicicola]]'' <small>[[Huft]]</small>
*''[[Euphorbia punctata]]'' <small>[[Alire Raffeneau Delile|Delile]]</small>
*''[[Euphorbia punctulata]]'' <small>[[Nils Johan Andersson|Andersson]]</small>
*''[[Euphorbia punicea]]'' <small>[[Olof Swartz|Sw.]]</small>
*''[[Euphorbia purpurea]]'' <small>([[Constantine Samuel Rafinesque-Schmaltz|Raf.]]) [[Merritt Lyndon Fernald|Fernald]]</small> 
*''[[Euphorbia pusilla]]'' <small>[[Mariano Lagasca y Segura|Lag.]]</small>
*''[[Euphorbia pycnostegia]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia pygmaea]]'' <small>[[Carl Friedrich von Ledebour|Ledeb.]]</small>
*''[[Euphorbia pyrenaica]]'' <small>[[Claude Thomas Alexis Jordan|Jord.]]</small>
*''[[Euphorbia pyrifolia]]'' <small>[[Jean-Baptiste Lamarck|Lam.]]</small> 
**''[[Euphorbia pyrifolia var. coriacea]]'' <small>[[Alan Radcliffe-Smith|Radcl.-Sm.]]</small> 
**''[[Euphorbia pyrifolia var. pyrifolia]]''

== Q ==
*''[[Euphorbia qarad]]'' <small>[[Deflers]]</small> 
*''[[Euphorbia quadrangularis]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia quadrata]]'' <small>[[Gert Cornelius Nel|Nel]]</small> 
*''[[Euphorbia quadrialata]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia quadrilatera]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia quadrispina]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia quaitensis]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia quartziticola]]'' <small>[[Jacques Désiré Leandri|Leandri]]</small> 
*''[[Euphorbia quinquecostata]]'' <small>[[Volkens]]</small> 
*''[[Euphorbia quintasii]]'' <small>[[Claude Thomas Alexis Jordan|Jord.]]</small>
*''[[Euphorbia quitensis]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>

== R ==
*''[[Euphorbia radians]]'' <small>[[George Bentham|Benth.]]</small> 
**''[[Euphorbia radians var. radians]]'' 
**''[[Euphorbia radians var. stormiae]]'' <small> ([[Léon Croizat|Croizat]]) [[Rzed.]] & [[S.Calderón]]</small> 
*''[[Euphorbia radiifera]]'' <small>[[L.C.Leach]]</small>
*''[[Euphorbia radioloides]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia ramiglans]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia ramofraga]]'' <small>[[Marcel Denis|Denis]] & [[Jean-Henri Humbert|Humbert]] ex [[Jacques Désiré Leandri|Leandri]]</small> 
*''[[Euphorbia ramosa]]'' <small>[[Henry Eliason Seaton|Seaton]]</small>
*''[[Euphorbia ramipressa]]'' <small>Croizat</small>
*''[[Euphorbia ramulosa]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia randrianjohanyi]]'' <small>[[Haev.]] & [[Labat]]</small>
*''[[Euphorbia rangovalensis]]'' <small>[[Jacques Désiré Leandri|Leandri]]</small> 
*''[[Euphorbia raphanorrhiza]]'' <small>([[Charles Frederick Millspaugh|Millsp.]]) [[James Francis Macbride|J.F.Macbr.]]</small>
*''[[Euphorbia raphilippii]]'' <small>[[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia rapulum]]'' <small>[[Kar.]] & [[Kir.]]</small> 
*''[[Euphorbia rauhii]]'' <small>[[Haev.]] & [[Labat]]</small>
*''[[Euphorbia razafindratsirae]]'' <small>[[Lavranos]]</small> 
*''[[Euphorbia razafinjohanyi]]'' <small>[[Eugène Ursch|Ursch]] & [[Jacques Désiré Leandri|Leandri]]</small> 
*''[[Euphorbia reboudiana]]'' <small>[[Ernest Cosson|Coss.]] ex [[Jules Aimé Battandier|Batt.]] & [[Trab.]]</small>
*''[[Euphorbia reclinata]]'' <small>[[Peter René Oscar Bally|P.R.O.Bally]] & [[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia reconciliationis]]'' <small>[[Alan Radcliffe-Smith|Radcl.-Sm.]]</small>
*''[[Euphorbia rectirama]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia recurva]]'' <small>[[Joseph Dalton Hooker|Hook.f.]]</small>
*''[[Euphorbia refugii]]'' <small>[[Léon Croizat|Croizat]]</small>
*''[[Euphorbia reghinii]]'' <small>([[Emilio Chiovenda|Chiov.]]) [[Vollesen]]</small>
*''[[Euphorbia regis-jubae]]'' <small>[[Philip Barker Webb|Webb]] & [[Sabin Berthelot|Berthel.]]</small> 
*''[[Euphorbia reineckei]]'' <small>[[Ferdinand Albin Pax|Pax]] ex [[Franz Reinecke|Reinecke]]</small>
*''[[Euphorbia remyi]]'' <small>[[Asa Gray|A.Gray]] ex [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia reniformis]]'' <small>[[Carl Ludwig Blume|Blume]]</small>
*''[[Euphorbia renneyi]]'' <small>([[Susan Carter Holmes|S.Carter]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium renneyi'')
*''[[Euphorbia repanda]]'' <small>([[Adrian Hardy Haworth|Haw.]]) [[Robert Sweet (botanist)|Sweet]]</small>
*''[[Euphorbia repens]]'' <small>[[Karl Heinrich Emil Koch (botanist)|K.Koch]]</small>
*''[[Euphorbia repetita]]'' <small>[[Christian Ferdinand Friedrich Hochstetter|Hochst.]] ex [[Achille Richard|A.Rich.]]</small>
*''[[Euphorbia reptans]]'' <small>[[Peter René Oscar Bally|P.R.O.Bally]] & [[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia resinifera]]'' <small>[[Otto Karl Berg|Berg]]</small> 
*''[[Euphorbia restiacea]]'' <small>[[George Bentham|Benth.]]</small> 
*''[[Euphorbia restituta]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia restricta]]'' <small>[[Robert Allen Dyer|R.A.Dyer]]</small> 
*''[[Euphorbia retusa]]'' <small>[[Peter Forsskål|Forssk.]]</small>
*''[[Euphorbia retrospina]]'' <small>[[Werner Rauh|Rauh]] & [[Gérold]]</small> 
*''[[Euphorbia reuteriana]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia revoluta]]'' <small>[[Georg Engelmann|Engelm.]]</small>
*''[[Euphorbia rhabdodes]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Euphorbia rhabdotosperma]]'' <small>[[Alan Radcliffe-Smith|Radcl.-Sm.]]</small>
*''[[Euphorbia rhizophora]]'' <small>([[Peter René Oscar Bally|P.R.O.Bally]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium rhizophorum'')
*''[[Euphorbia rhombifolia]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Euphorbia rhytidosperma]]'' <small>[[Pierre Edmond Boissier|Boiss.]] & [[Balansa]] ex [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia rhytisperma]]'' <small>([[Johann Friedrich Klotzsch|Klotzsch]] & [[Christian August Friedrich Garcke|Garcke]]) [[Georg Engelmann|Engelm.]] ex [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia richardsiae]]'' <small>[[L.C.Leach]]</small> 
**''[[Euphorbia richardsiae ssp. richardsiae]]'' 
**''[[Euphorbia richardsiae ssp. robusta]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia riebeckii]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia rigida]]'' <small>[[Friedrich August Marschall von Bieberstein|M.Bieb.]]</small> 
*''[[Euphorbia rimarum]]'' <small>[[Ernest Saint-Charles Cosson|Coss.]] & [[Balansa]] ex [[Ernest Saint-Charles Cosson|Coss.]]</small>
*''[[Euphorbia ritchiei]]'' <small>([[Peter René Oscar Bally|P.R.O.Bally]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium ritchiei'')
**''[[Euphorbia ritchiei ssp. marsabitensis]]'' <small>([[Susan Carter Holmes|S.Carter]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium ritchiei'' ssp. ''marsabitense'')
**''[[Euphorbia ritchiei ssp. nyambensis]]'' <small>([[Susan Carter Holmes|S.Carter]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium ritchiei'' ssp. ''nyambense'')
**''[[Euphorbia ritchiei ssp. ritchiei]]'' (= ''Monadenium ritchiei'' ssp. ''ritchiei'')
*''[[Euphorbia rivae]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia robecchii]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia robivelonae]]'' <small>[[Werner Rauh|Rauh]]</small> 
*''[[Euphorbia rochaensis]]'' <small>([[Léon Croizat|Croizat]]) [[Alonso Paz]] & [[Eduardo Marchesi|Marchesi]]</small>
*''[[Euphorbia rockii]]'' <small>[[Charles Noyes Forbes|C.N.Forbes]]</small>
*''[[Euphorbia rockii var. rockii]]'' <small>[[Charles Noyes Forbes|C.N.Forbes]]</small>
**''[[Euphorbia rockii var. grandiflora]]'' <small>([[Hillebrand]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''[[Euphorbia rockii var. rockii]]''
*''[[Euphorbia roemeriana]]'' <small>[[George Heinrich Adolf Scheele|Scheele]]</small> - Roemer's spurge
*''[[Euphorbia rohlenae]]'' <small>[[Velen.]]</small>
*''[[Euphorbia roschanica]]'' <small>([[Ikonn.]]) [[Czerep.]]</small>
*''[[Euphorbia rosea]]'' <small>[[Anders Johan Retzius|Retz.]]</small>
*''[[Euphorbia roseana]]'' <small>(Marn.-Lap. ex Demoly) J.-P.Castillon & J.-B.Castillon</small> 
*''[[Euphorbia rosescens]]'' <small>[[E.L.Bridges]] & [[Orzell]]</small>
*''[[Euphorbia rossiana]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia rossii]]'' <small>[[Werner Rauh|Rauh]] & [[Buchloh]]</small> 
*''[[Euphorbia rosularis]]'' <small>[[Al.Fed.]]</small>
*''[[Euphorbia rothiana]]'' <small>[[Curt Polycarp Joachim Sprengel|Spreng.]]</small>
*''[[Euphorbia rothrockii]]'' <small>([[Charles Frederick Millspaugh|Millsp.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia rowlandii]]'' <small>[[Robert Allen Dyer|R.A.Dyer]]</small> 
*''[[Euphorbia royleana]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Euphorbia rubella]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia rubriflora]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small>
*''[[Euphorbia rubromarginata]]'' <small>[[L.E.Newton]]</small> 
*''[[Euphorbia rubriseminalis]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia rubrispinosa]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia rubrostriata]]'' <small>Drake</small>
*''[[Euphorbia rudis]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia rudolfii]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia ruficeps]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia rugosiflora]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia ruizlealii]]'' <small>[[Subils]]</small>
*''[[Euphorbia rupestris]]'' <small>[[Carl Anton von Meyer|C.A.Mey.]] ex [[Carl Friedrich von Ledebour|Ledeb.]]</small>
*''[[Euphorbia ruscifolia]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia ruscinonensis]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia rutilis]]'' <small>([[Charles Frederick Millspaugh|Millsp.]]) [[Paul Carpenter Standley|Standl.]] & [[Julian Alfred Steyermark|Steyerm.]]</small>
*''[[Euphorbia rzedowskii]]'' <small>[[Rogers McVaugh|McVaugh]]</small>

== S ==
*''[[Euphorbia sabulicola]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia saccharata]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia sachetiana]]'' <small>([[J.Florence]]) [[Govaerts]]</small>
*''[[Euphorbia sahendi]]'' <small>[[Joseph Friedrich Nicolaus Bornmüller|Bornm.]]</small>
*''[[Euphorbia sajanensis]]'' <small>([[Pierre Edmond Boissier|Boiss.]]) [[Baikov]]</small>
*''[[Euphorbia sakarahaensis]]'' <small>[[Werner Rauh|Rauh]]</small> 
*''[[Euphorbia salicifolia]]'' <small>[[Nicolaus Thomas Host|Host]]</small>
*''[[Euphorbia salsicola]]'' <small>[[Susan Carter Holmes|S.Carter]]</small>
*''[[Euphorbia salota]]'' <small>[[Jacques Désiré Leandri|Leandri]]</small> 
*''[[Euphorbia salsuginosa]]'' <small>([[Rogers McVaugh|McVaugh]]) [[Alan Radcliffe-Smith|Radcl.-Sm.]] & [[Govaerts]]</small>
*''[[Euphorbia samburuensis]]'' <small>[[Peter René Oscar Bally|P.R.O.Bally]] & [[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia sampsonii]]'' <small>[[Henry Fletcher Hance|Hance]]</small>
*''[[Euphorbia sanasunitensis]]'' <small>[[Heinrich R.E. Handel-Mazzetti|Hand.-Mazz.]]</small>
*''[[Euphorbia sancta]]'' <small>[[Ferdinand Albin Pax|Pax]]</small>
*''[[Euphorbia sanctaecatharinae]]'' <small>[[A.A.Fayad]]</small>
*''[[Euphorbia sanmartensis]]'' <small>[[Henry Hurd Rusby|Rusby]]</small>
*''[[Euphorbia santapaui]]'' <small>[[A.N.Henry]]</small> 
*''[[Euphorbia sapiifolia]]'' <small>[[Louis Antoine François Baillon|Baillon]]</small>
*''[[Euphorbia sapinii]]'' <small>[[Émile Auguste Joseph De Wildeman|De Wild.]]</small> 
*''[[Euphorbia sarawschanica]]'' <small>[[Eduard August von Regel|Regel]]</small>
*''[[Euphorbia sarcodes]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Euphorbia sarcostemmatoides]]'' <small>[[Dinter]]</small>
*''[[Euphorbia sarcostemmoides]]'' <small>[[J.H.Willis]]</small> 
*''[[Euphorbia sareptana]]'' <small>[[A.Becker]]</small>
*''[[Euphorbia sarmentosa]]'' <small>[[Friedrich Welwitsch|Welw.]] ex [[Ferdinand Albin Pax|Pax]]</small>
*''[[Euphorbia saurica]]'' <small>[[Baikov]]</small>
*''[[Euphorbia saxatilis]]'' <small>[[Nikolaus Joseph von Jacquin|Jacq.]]</small>
*''[[Euphorbia saxicola]]'' <small>[[Alan Radcliffe-Smith|Radcl.-Sm.]]</small>
*''[[Euphorbia saxorum]]'' <small>[[Peter René Oscar Bally|P.R.O.Bally]] & [[Susan Carter Holmes|S.Carter]]</small>
*''[[Euphorbia scabrifolia]]'' <small>[[S.Kurz]]</small>
*''[[Euphorbia scandens]]'' <small>[[Carl Sigismund Kunth|Kunth]]</small>
*''[[Euphorbia scarlatina]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia scatorrhiza]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia schaijesii]]'' <small>([[Malaisse]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium schaijesii'')
*''[[Euphorbia scheffleri]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia schickendantzii]]'' <small>[[Georg Hans Emmo Wolfgang Hieronymus|Hieron.]]</small>
*''[[Euphorbia schillingii]]'' <small>[[Alan Radcliffe-Smith|Radcl.-Sm.]]</small>
*''[[Euphorbia schimperi]]'' <small>[[Carl Borivoj Presl|C.Presl]]</small> 
*''[[Euphorbia schimperiana]]'' <small>[[George Heinrich Adolf Scheele|Scheele]]</small>
**''Euphorbia schimperiana'' var. ''pubescens'' <small>([[Nicholas Edward Brown|N.E.Br.]]) [[Susan Carter Holmes|S.Carter]]</small>
**''Euphorbia schimperiana'' var. ''schimperiana''
**''Euphorbia schimperiana'' var. ''velutina'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small>
*''[[Euphorbia schinzii]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia schizacantha]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia schizolepis]]'' <small>[[Ferdinand von Mueller|F.Muell.]] ex [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia schizoloba]]'' <small>[[Georg Engelmann|Engelm.]]</small>
*''[[Euphorbia schlechtendalii]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> 
**''Euphorbia schlechtendalii'' var. ''pacifica'' <small>[[Rogers McVaugh|McVaugh]]</small>
**''Euphorbia schlechtendalii'' var. ''schlechtendalii''
**''Euphorbia schlechtendalii'' var. ''websteri'' <small>[[Rogers McVaugh|McVaugh]]</small>
*''[[Euphorbia schlechteri]]'' <small>[[Ferdinand Albin Pax|Pax]]</small>
*''[[Euphorbia schmitzii]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia schoenlandii]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia schottiana]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia schubei]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> (= ''Monadenium schubei'')
*''[[Euphorbia schugnanica]]'' <small>[[B.Fedtsch.]] ex [[O.Fedtsch.]] & [[B.Fedtsch.]]</small> 
*''[[Euphorbia schultzii]]'' <small>[[George Bentham|Benth.]]</small>
*''[[Euphorbia schumannii]]'' <small>[[Alan Radcliffe-Smith|Radcl.-Sm.]]</small>
*''[[Euphorbia schweinfurthii]]'' <small>[[Isaac Bayley Balfour|Balf.f.]]</small> 
*''[[Euphorbia sciadophila]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia scitula]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia sclerocyathium]]'' <small>[[Yevgeny Korovin (botanist)|Korovin]] & [[Popov]]</small>
*''[[Euphorbia sclerophylla]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia scopulorum]]'' <small>[[Townshend Stith Brandegee|Brandegee]]</small>
*''[[Euphorbia scordiifolia]]'' <small>[[Nikolaus Joseph von Jacquin|Jacq.]]</small>
*''[[Euphorbia scotanum]]'' <small>[[Diederich Franz Leonhard von Schlechtendal|Schltdl.]]</small> 
*''[[Euphorbia scripta]]'' <small>[[Sommier]] & [[Levier]]</small>
*''[[Euphorbia scyphadena]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia seclusa]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small>
*''[[Euphorbia sebsebei]]'' <small>[[M.G.Gilbert]]</small> 
*''[[Euphorbia segetalis]]'' <small>[[Carl Linnaeus|L.]]</small> – [[Grainfield spurge]]
*''[[Euphorbia segoviensis]]'' <small>([[Johann Friedrich Klotzsch|Klotzsch]] & [[Christian August Friedrich Garcke|Garcke]] ex [[Johann Friedrich Klotzsch|Klotzsch]]) [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia seguieriana]]'' <small>[[Noel Martin Joseph de Necker|Neck.]]</small>
**''Euphorbia seguieriana'' ssp. ''loiseleurii'' <small>([[Georges Rouy|Rouy]]) [[Werner Greuter|Greuter]] & [[Hervé Maurice Burdet|Burdet]]</small>
**''Euphorbia seguieriana'' ssp. ''niciciana'' <small>([[Vinczé von Borbás|Borbás]] ex [[J. Novák]]) [[Karl Heinz Rechinger|Rech.f.]]</small>
**''Euphorbia seguieriana'' ssp. ''seguieriana''
***''Euphorbia seguieriana'' ssp. ''seguieriana'' var. ''arenivaga'' <small>([[Martin-Donos]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
***''Euphorbia seguieriana'' ssp. ''seguieriana'' var. ''dentata'' <small>([[Alfred Chabert|Chabert]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
***''Euphorbia seguieriana'' ssp. ''seguieriana'' var. ''intermedia'' <small>([[S?vul.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
***''Euphorbia seguieriana'' ssp. ''seguieriana'' var. ''lanceolata'' <small>([[Cariot]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
***''Euphorbia seguieriana'' ssp. ''seguieriana'' var. ''latifolia'' <small>([[J.J.Schmitz]] & [[Eduard August von Regel|Regel]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
***''Euphorbia seguieriana'' ssp. ''seguieriana var. seguieriana''
***''Euphorbia seguieriana'' ssp. ''seguieriana var. sturii'' <small>([[Holuby]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia seibanica]]'' <small>[[Lavranos]] & [[A.N.Al-Gifri]]</small> 
*''[[Euphorbia sekukuniensis]]'' <small>[[Robert Allen Dyer|R.A.Dyer]]</small> 
*''[[Euphorbia seleri]]'' <small>[[John Donnell Smith|Donn.Sm.]]</small>
*''[[Euphorbia selloi]]'' <small>([[Johann Friedrich Klotzsch|Klotzsch]] & [[Christian August Friedrich Garcke|Garcke]] ex [[Johann Friedrich Klotzsch|Klotzsch]]) [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia selousiana]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia semperflorens]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia sendaica]]'' <small>[[Tomitaro Makino|Makino]]</small>
*''[[Euphorbia senguptae]]'' <small>[[Balakr.]] & [[Subram.]]</small>
*''[[Euphorbia senilis]]'' <small>[[Paul Carpenter Standley|Standl.]] & [[Julian Alfred Steyermark|Steyerm.]]</small>
*''[[Euphorbia sennenii]]'' <small>[[Carlos Pau y Español|Pau]]</small>
*''[[Euphorbia sennii]]'' <small>[[Emilio Chiovenda|Chiov.]]</small> 
*''[[Euphorbia septemsulcata]]'' <small>[[Vierh.]]</small> 
*''[[Euphorbia septentrionalis]]'' <small>[[Peter René Oscar Bally|P.R.O.Bally]] & [[Susan Carter Holmes|S.Carter]]</small> 
**''Euphorbia septentrionalis'' ssp. ''gamugofana'' <small>[[M.G.Gilbert]]</small>
**''Euphorbia septentrionalis'' ssp. ''septentrionalis''
*''[[Euphorbia sepulta]]'' <small>[[Peter René Oscar Bally|P.R.O.Bally]] & [[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia seracomans]]'' <small>[[Pietro Bubani|Bubani]]</small>
*''[[Euphorbia serendipita]]'' <small>[[L.E.Newton]]</small> 
*''[[Euphorbia seretii]]'' <small>[[Émile Auguste Joseph De Wildeman|De Wild.]]</small> 
**''Euphorbia seretii'' ssp. ''seretii''
**''Euphorbia seretii'' ssp. ''variantissima'' <small>[[L.C.Leach]]</small>
*''[[Euphorbia seriocarpa]]'' <small>[[Heinrich R.E. Handel-Mazzetti|Hand.-Mazz.]]</small>
*''[[Euphorbia serpens]]'' <small>[[Carl Sigismund Kunth|Kunth]]</small>
*''[[Euphorbia serpentini]]'' <small>[[Novak]]</small>
*''[[Euphorbia serpyllifolia]]'' <small>[[Christiaan Hendrik Persoon|Pers.]]</small>
**''Euphorbia serpyllifolia'' ssp. ''hirtula'' <small>([[Sereno Watson|S.Watson]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''Euphorbia serpyllifolia'' ssp. ''serpyllifolia''
*''[[Euphorbia serrata]]'' <small>[[Carl Linnaeus|L.]]</small> – [[Serrated spurge]], saw-toothed spurge
*''[[Euphorbia serratifolia]]'' <small>[[Susan Carter Holmes|S.Carter]]</small>
*''[[Euphorbia serrula]]'' <small>[[Georg Engelmann|Engelm.]]</small>
*''[[Euphorbia sessei]]'' <small>[[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia sessiliflora]]'' <small>[[William Roxburgh|Roxb.]]</small> 
*''[[Euphorbia sessilifolia]]'' <small>[[Johann Friedrich Klotzsch|Klotzsch]] ex [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia setiloba]]'' <small>[[Georg Engelmann|Engelm.]] ex [[John Torrey|Torr.]]</small>
*''[[Euphorbia setispina]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia sewerzowii]]'' <small>([[Herd.]] ex [[Jaroslav Ivanovic Prokhanov|Prokh.]]) [[N.V.Pavlov]]</small>
*''[[Euphorbia shaferi]]'' <small>([[Charles Frederick Millspaugh|Millsp.]]) [[L.G.Gonzáles]] & [[Bisse]]</small>
*''[[Euphorbia sharkoensis]]'' <small>[[Louis Antoine François Baillon|Baillon]]</small>
*''[[Euphorbia sharmae]]'' <small>[[U.C.Battach.]]</small>
*''[[Euphorbia shebeliensis]]'' <small>([[M.G. Gilbert]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium shebeliense'')
*''[[Euphorbia shouanensis]]'' <small>[[H.Keng]]</small>
*''[[Euphorbia sieboldiana]]'' <small>[[Morr.]] & [[Joseph Decaisne|Decne.]]</small>
**''Euphorbia sieboldiana'' var. ''grandifolia'' <small>([[Adrien René Franchet|Franch.]] & [[Sav.]] ex [[Isao Hurusawa|Hurus.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''Euphorbia sieboldiana'' var. ''idzuensis'' <small>([[Isao Hurusawa|Hurus.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''Euphorbia sieboldiana'' var. ''ohsumiensis'' <small>([[Isao Hurusawa|Hurus.]]) [[Hatus.]]</small>
**''Euphorbia sieboldiana'' var. ''peninsularis'' <small>([[Isao Hurusawa|Hurus.]]) [[M.Kitagawa]]</small>
**''Euphorbia sieboldiana'' var. ''sieboldiana''
**''Euphorbia sieboldiana'' var. ''sylvatica'' <small>([[Isao Hurusawa|Hurus.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia sikkimensis]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia silenifolia]]'' <small> ([[Adrian Hardy Haworth|Haw.]]) [[Robert Sweet (botanist)|Sweet]]</small>
*''[[Euphorbia similiramea]]'' <small>[[Susan Carter Holmes|S.Carter]]</small>
*''[[Euphorbia sinclairiana]]'' <small>[[George Bentham|Benth.]]</small> (= ''Euphorbia elata'')
*''[[Euphorbia sintenisii]]'' <small>[[Pierre Edmond Boissier|Boiss.]] ex [[J.Freyn]]</small>
*''[[Euphorbia sipolisii]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia skottsbergii]]'' <small>Sherff</small>
*''[[Euphorbia smallii]]'' <small>[[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia smirnovii]]'' <small>[[Geltman]]</small>
*''[[Euphorbia smithii]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia socotrana]]'' <small>[[Isaac Bayley Balfour|Balf.f.]]</small> 
*''[[Euphorbia sogdiana]]'' <small>[[Popov]]</small>
*''[[Euphorbia sojakii]]'' <small>([[Chrtek]] & [[Křísa]]) [[Dubovik]] ex [[Dubovik]] et al.</small>
*''[[Euphorbia somalensis]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia songweana]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia sonorae]]'' <small>[[Joseph Nelson Rose|Rose]]</small>
*''[[Euphorbia soobyi]]'' <small>[[Rogers McVaugh|McVaugh]]</small>
*''[[Euphorbia soongarica]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia sororia]]'' <small>[[Alexander Gustav von Schrenk|Schrenk]]</small>
*''[[Euphorbia sparrmanii]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> (= ''Euphorbia ramosissima'' <small>Hook. & Arn. ''non'' Loiseleur (nom. illeg.)</small>, ''Chamaesyce sparrmanii'' <small>(Boissier) Hurusawa</small>)
*''[[Euphorbia sparsiflora]]'' <small>[[Amos Arthur Heller|A.Heller]]</small>
*''[[Euphorbia sparsiglandulosa]]'' <small>[[J.Ponert]]</small>
*''[[Euphorbia spartaria]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small>
*''[[Euphorbia spartiformis]]'' <small>[[Mobayen]]</small>
*''[[Euphorbia spathulata]]'' <small>[[Jean-Baptiste Lamarck|Lam.]]</small> – [[Roughpod spurge]], warty spurge
**''Euphorbia spathulata'' var. ''mexicana'' <small>([[Georg Engelmann|Engelm.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''Euphorbia spathulata'' var. ''spathulata''
*''[[Euphorbia spathulifolia]]'' <small>([[Adrian Hardy Haworth|Haw.]]) [[Ernst Gottlieb von Steudel|Steud.]]</small>
*''[[Euphorbia speciosa]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia specksii]]'' <small>[[Werner Rauh|Rauh]]</small> 
*''[[Euphorbia spectabilis]]'' <small>([[Susan Carter Holmes|S.Carter]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium spectabile'')
*''[[Euphorbia sphaerorrhiza]]'' <small>[[George Bentham|Benth.]]</small> 
*''[[Euphorbia spicata]]'' <small>[[Ernst Heinrich Friedrich Meyer|E.Mey.]] ex [[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Euphorbia spinea]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia spinidens]]'' <small>([[Joseph Friedrich Nicolaus Bornmüller|Bornm.]] ex [[Jaroslav Ivanovic Prokhanov|Prokh.]]) [[Jaroslav Ivanovic Prokhanov|Prokh.]]</small>
*''[[Euphorbia spinosa]]'' <small>[[Carl Linnaeus|L.]]</small> 
**''Euphorbia spinosa'' ssp. ''ligustica'' <small> ([[Adriano Fiori|Fiori]]) [[Sandro Pignatti|Pignatti]]</small>
**''Euphorbia spinosa'' ssp. ''spinosa''
*''[[Euphorbia spinulosa]]'' <small>([[Susan Carter Holmes|S.Carter]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium spinulosum'')
*''[[Euphorbia spiralis]]'' <small>[[Isaac Bayley Balfour|Balf.f.]]</small> 
*''[[Euphorbia spissiflora]]'' <small>[[Susan Carter Holmes|S.Carter]]</small>
*''[[Euphorbia spruceana]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia squamigera]]'' <small>[[Jean Louis August Loiseleur-Deslongchamps|Loisel.]]</small> 
*''[[Euphorbia squamosa]]'' <small>[[Carl Ludwig Willdenow|Willd.]]</small>
**''Euphorbia squamosa'' var. ''serrata'' <small>([[Pierre Edmond Boissier|Boiss.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''Euphorbia squamosa'' var. ''squamosa''
**''Euphorbia squamosa'' var. ''talyschensis'' <small>([[Pierre Edmond Boissier|Boiss.]] & [[Friedrich Alexander Buhse|Buhse]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''Euphorbia squamosa'' var. ''wilhelmsiana'' <small>([[Karl Heinrich Emil Koch (botanist)|K.Koch]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia squarrosa]]'' <small>[[Adrian Hardy Haworth|Haw.]]</small>
*''[[Euphorbia standleyi]]'' <small>([[Charles Frederick Millspaugh|Millsp.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia stapelioides]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Euphorbia stapfii]]'' <small>[[Alwin Berger|A.Berger]]</small> 
*''[[Euphorbia stellata]]'' <small>[[Carl Ludwig Willdenow|Willd.]]</small> 
*''[[Euphorbia stellispina]]'' <small> ([[Adrian Hardy Haworth|Haw.]])</small> 
**''Euphorbia stellispina'' var. ''astrispina'' <small> ([[Nicholas Edward Brown|N.E.Br.]]) [[A.C.White]], [[Robert Allen Dyer|R.A.Dyer]] & [[B.Sloane]]</small>
**''Euphorbia stellispina'' var. ''stellispina'' 
*''[[Euphorbia stenocaulis]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> 
*''[[Euphorbia stenoclada]]'' <small>[[Louis Antoine François Baillon|Baillon]]</small> 
**''Euphorbia stenoclada'' ssp. ''ambatofinandranae'' <small> ([[Jacques Désiré Leandri|Leandri]]) [[Cremers]]</small>
**''Euphorbia stenoclada'' ssp. ''stenoclada''
*''[[Euphorbia stenophylla]]'' <small>([[Johann Friedrich Klotzsch|Klotzsch]] & [[Christian August Friedrich Garcke|Garcke]] ex [[Johann Friedrich Klotzsch|Klotzsch]]) [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia stevenii]]'' <small>[[Frederick Manson Bailey|F.M.Bailey]]</small> 
*''[[Euphorbia steyermarkii]]'' <small>[[Paul Carpenter Standley|Standl.]] ex [[Paul Carpenter Standley|Standl.]] & [[Julian Alfred Steyermark|Steyerm.]]</small>
*''[[Euphorbia strictospora]]'' <small>[[Georg Engelmann|Engelm.]]</small>
*''[[Euphorbia stoddartii]]'' <small>[[Frosberg]]</small>
*''[[Euphorbia stolonifera]]'' <small>[[Rudolf Marloth|Marloth]] ex [[A.C.White]], [[Robert Allen Dyer|R.A.Dyer]] & [[B.Sloane]]</small> (s)
*''[[Euphorbia stracheyi]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia strangulata]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
**''Euphorbia strangulata'' ssp. ''deminuens'' <small>[[L.C.Leach]]</small>
**''Euphorbia strangulata'' ssp. ''strangulata''
*''[[Euphorbia striata]]'' <small>[[Carl Peter Thunberg|Thunb.]]</small> 
*''[[Euphorbia stricta]]'' <small>[[Carl Linnaeus|L.]]</small>
*''[[Euphorbia strictior]]'' <small>[[Holz.]]</small> – [[Panhandle spurge]]
*''[[Euphorbia strigosa]]'' <small>[[William Jackson Hooker|Hook.]] & [[George Arnott Walker-Arnott|Arn.]]</small> 
*''[[Euphorbia stygiana]]'' <small>[[H.C.Watson]]</small> 
**''Euphorbia stygiana'' ssp. ''santamariae'' <small>[[H.Schäf.]]</small>
**''Euphorbia stygiana'' ssp. ''stygiana''
*''[[Euphorbia subcordata]]'' <small>[[Carl Anton von Meyer|C.A.Mey.]] ex [[Carl Friedrich von Ledebour|Ledeb.]]</small>
*''[[Euphorbia subhastifolia]]'' <small>[[Michail Vasiljevich Klokov|Klokov]] ex [[Dubovik]] & Klokov</small>
*''[[Euphorbia submammillaris]]'' <small> ([[Alwin Berger|A.Berger]]) [[Alwin Berger|A.Berger]]</small>
*''[[Euphorbia subpeltata]]'' <small>[[Sereno Watson|S.Watson]]</small>
*''[[Euphorbia subpeltatophylla]]'' <small>[[Werner Rauh|Rauh]]</small> 
*''[[Euphorbia subreniformis]]'' <small>[[Sereno Watson|S.Watson]]</small>
*''[[Euphorbia subsalsa]]'' <small>[[Hiern]]</small> 
**''Euphorbia subsalsa'' ssp. ''fluvialis'' <small>[[L.C.Leach]]</small>
**''Euphorbia subsalsa'' ssp. ''subsalsa''
*''[[Euphorbia subscandens]]'' <small>[[Peter René Oscar Bally|P.R.O.Bally]] & [[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia subterminalis]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small>
*''[[Euphorbia subtrifoliata]]'' <small>[[Henry Hurd Rusby|Rusby]]</small>
*''[[Euphorbia subulatifolia]]'' <small>[[Isao Hurusawa|Hurus.]]</small>
*''[[Euphorbia succedanea]]'' <small>[[Louis Cutter Wheeler|L.C.Wheeler]]</small>
*''[[Euphorbia sudanica]]'' <small>[[Auguste Jean Baptiste Chevalier|A.Chev.]]</small> 
*''[[Euphorbia suffulta]]'' <small>[[P.Bruyns]]</small> 
*''[[Euphorbia sulcata]]'' <small>[[De Lens]] ex [[Jean Louis August Loiseleur-Deslongchamps|Loisel.]]</small>
**''Euphorbia sulcata'' ssp. ''maroccana'' <small>[[Molero]], [[Ana María Rovira|Rovira]] & [[J.Vicens.]]</small>
**''Euphorbia sulcata'' ssp. ''sulcata''
*''[[Euphorbia sultan-hassei]]'' <small>[[Arne Strid|Strid]], [[B.Bentzer]], [[R.von Bothmer]], [[L.Engstrand]] & [[M.Gustafsson]]</small> 
*''[[Euphorbia sumati]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia sumbawensis]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia superans]]'' <small>[[Gert Cornelius Nel|Nel]]</small>
*''[[Euphorbia suppressa]]'' <small>[[Marx]]</small> 
*''[[Euphorbia surinamensis]]'' <small>[[Lanj.]]</small>
*''[[Euphorbia susanholmesiae]]'' <small>[[Binojk.]] & [[Rangasamy Gopalan|Gopalan]]</small> 
*''[[Euphorbia susannae]]'' <small>[[Rudolf Marloth|Marloth]]</small> 
*''[[Euphorbia suzannaemarnierae]]'' <small>[[Werner Rauh|Rauh]] & [[Pétignat]]</small> 
*''[[Euphorbia synadenium]]'' <small>[[Henry Nicholas Ridley|Ridl.]]</small> 
*''[[Euphorbia syncalycina]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Synadenium calycinum'')
*''[[Euphorbia syncameronii]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Synadenium cameronii'')
*''[[Euphorbia systyla]]'' <small>[[Michael Pakenham Edgeworth|Edgew.]]</small>
*''[[Euphorbia systyloides]]'' <small>[[Ferdinand Albin Pax|Pax]]</small>
**''Euphorbia systyloides'' ssp. ''porcaticapsa'' <small>[[Susan Carter Holmes|S.Carter]]</small>
**''Euphorbia systyloides'' ssp. ''systyloides''
*''[[Euphorbia szechuanica]]'' <small>[[Ferdinand Albin Pax|Pax]] & [[K.Hoffmann]]</small>
*''[[Euphorbia szovitsii]]'' <small>[[Friedrich Ernst Ludwig von Fischer|Fisch.]] & [[Carl Anton von Meyer|C.A.Mey.]]</small>

== T ==
*''[[Euphorbia taboraensis]]'' <small>[[Arne Hässler|A.Hässl.]]</small> 
*''[[Euphorbia tacnensis]]'' <small>[[Rodolfo Amando Philippi|Phil.]]</small>
*''[[Euphorbia taihsiensis]]'' <small>([[Shu Miaw Chaw|Chaw]] & [[Koutnik]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia taitensis]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia taiwaniana]]'' <small>[[S.S.Ying]]</small>
*''[[Euphorbia talaina]]'' <small>[[Alan Radcliffe-Smith|Radcl.-Sm.]]</small>
*''[[Euphorbia talastavica]]'' <small>([[Jaroslav Ivanovic Prokhanov|Prokh.]]) [[Jaroslav Ivanovic Prokhanov|Prokh.]]</small>
*''[[Euphorbia taluticola]]'' <small>[[Ira Loren Wiggins|Wiggins]]</small>
*''[[Euphorbia tamanduana]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia tamaulipasana]]'' <small>([[Charles Frederick Millspaugh|Millsp.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia tanaensis]]'' 
*''[[Euphorbia tanaitica]]'' <small>[[Paczoski]]</small>
*''[[Euphorbia tannensis]]'' <small>[[Curt Polycarp Joachim Sprengel|Spreng.]]</small> 
**''Euphorbia tannensis'' ssp. ''eremophila'' <small>([[Allan Cunningham (botanist)|A.Cunn.]]) [[D.C.Hassall]]</small>
**''Euphorbia tannensis'' ssp. ''tannensis''
*''[[Euphorbia tanquahuete]]'' <small>[[Martín Sessé y Lacasta|Sessé]] & [[José Mariano Mociño|Moc.]]</small> 
*''[[Euphorbia tarapacana]]'' <small>[[Rodolfo Amando Philippi|Phil.]]</small>
*''[[Euphorbia tardieuana]]'' 
*''[[Euphorbia tarokoensis]]'' <small>[[Bunzō Hayata|Hayata]]</small>
*''[[Euphorbia taruensis]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia tashiroi]]'' <small>[[Bunzō Hayata|Hayata]]</small>
*''[[Euphorbia tauricola]]'' <small>[[Jaroslav Ivanovic Prokhanov|Prokh.]]</small>
*''[[Euphorbia taurinensis]]'' <small>[[Carlo Allioni|All.]]</small>
**''Euphorbia taurinensis'' var. ''brachyceras'' <small>([[P.Candargy]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''Euphorbia taurinensis'' var. ''isophylla'' <small>([[K.Malý]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''Euphorbia taurinensis var. taurinensis''
*''[[Euphorbia taxifolia]]'' <small>[[Nicolaas Laurens Burman|Burm.f.]]</small>
*''[[Euphorbia tchenngoi]]'' <small>([[Jirí Soják|Soják]]) [[Alan Radcliffe-Smith|Radcl.-Sm.]]</small>
*''[[Euphorbia teheranica]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia tehuacana]]'' <small>([[Charles Frederick Millspaugh|Millsp.]]) & [[V.W.Steinm.]]</small> (= ''Pedilanthus tehuacanus'') 
*''[[Euphorbia teixeirae]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia teke]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia telephioides]]'' <small>[[Alvan Wentworth Chapman|Chapm.]]</small> 
*''[[Euphorbia tenax]]'' <small>[[W.J.Burchell]]</small> 
*''[[Euphorbia tenera]]'' <small>[[Sereno Watson|S.Watson]]</small>
*''[[Euphorbia tenuirama]]'' <small>[[Georg August Schweinfurth|Schweinf.]] ex [[Alwin Berger|A.Berger]]</small> 
*''[[Euphorbia tenuispinosa]]'' <small>[[Alexander Gilli|Gilli]]</small> 
**''Euphorbia tenuispinosa'' var. ''robusta'' <small>[[Peter René Oscar Bally|P.R.O.Bally]] & [[Susan Carter Holmes|S.Carter]]</small>
**''Euphorbia tenuispinosa'' var. ''tenuispinosa''
*''[[Euphorbia terracina]]'' <small>[[Carl Linnaeus|L.]]</small> 
**''Euphorbia terracina'' var. ''alexandrina'' <small>([[Alire Raffeneau Delile|Delile]]) [[Z.El-Karemy]]</small>
**''Euphorbia terracina'' var. ''terracina''
*''[[Euphorbia tescorum]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia teskensuensis]]'' <small>[[A.O.Orazova]]</small>
*''[[Euphorbia tessmannii]]'' <small>[[Mansf.]]</small>
*''[[Euphorbia tetracantha]]'' <small>[[Alfred Barton Rendle|Rendle]]</small> 
*''[[Euphorbia tetracanthoides]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia tetragona]]'' <small>[[Adrian Hardy Haworth|Haw.]]</small> 
*''[[Euphorbia tetrapora]]'' <small>[[Georg Engelmann|Engelm.]]</small> – [[Weak spurge]]
*''[[Euphorbia tetraptera]]''
*''[[Euphorbia tettensis]]'' <small>[[Johann Friedrich Klotzsch|Klotzsch]]</small>
*''[[Euphorbia tetuanensis]]'' <small>[[Carlos Pau y Español|Pau]]</small>
*''[[Euphorbia texana]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Euphorbia therica]]'' <small>[[Louis Cutter Wheeler|L.C.Wheeler]]</small>
*''[[Euphorbia thinophila]]'' <small>[[Rodolfo Amando Philippi|Phil.]]</small> 
*''[[Euphorbia tholicola]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia thompsonii]]'' <small>[[Jens Holmboe (botanist)|Holmboe]]</small>
*''[[Euphorbia thomsoniana]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia thouarsiana]]'' 
*''[[Euphorbia thulinii]]'' 
*''[[Euphorbia thymifolia]]'' <small>[[Carl Linnaeus|L.]]</small> (= ''Chamaesyce thymifolia'')
*''[[Euphorbia thyrsoidea]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia tianshanica]]'' <small>[[Jaroslav Ivanovic Prokhanov|Prokh.]] & [[Popov]]</small>
*''[[Euphorbia tibetica]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia tinianensis]]'' <small>[[Hosok.]]</small>
*''[[Patah tulang (tumbuhan)|Euphorbia tirucalli]]'' – **Patah Tulang** 
*''[[Euphorbia tisserantii]]'' <small>[[Auguste Jean Baptiste Chevalier|A.Chev.]] [[R.Sillans]] ex [[Auguste Jean Baptiste Chevalier|A.Chev.]]</small>
*''[[Sig-sag|Euphorbia tithymaloides]]'' <small>[[Carl Linnaeus|L.]]</small> (= ''Pedilanthus tithymaloides'') – **Sig-sag**
**''Euphorbia tithymaloides'' ssp. ''angustifolia'' <small>([[Pierre Antoine Poiteau|Poit.]]) [[V.W.Steinm.]]</small> (= ''Pedilanthus tithymaloides'' ssp. ''angustifolius'')
**''Euphorbia tithymaloides'' ssp. ''bahamensis'' <small>([[Charles Frederick Millspaugh|Millsp.]]) [[V.W.Steinm.]]</small> (= ''Pedilanthus tithymaloides'' ssp. ''bahamensis'')
**''Euphorbia tithymaloides'' ssp. ''jamaicensis'' <small>([[Charles Frederick Millspaugh|Millsp.]] & [[Nathaniel Lord Britton|Britton]]) [[V.W.Steinm.]]</small> (= ''Pedilanthus tithymaloides'' ssp. ''jamaicensis'')
**''Euphorbia tithymaloides'' ssp. ''padifolia'' <small>([[Carl Linnaeus|L.]]) [[V.W.Steinm.]]</small> (= ''Pedilanthus tithymaloides'' ssp. ''padifolius'')
**''Euphorbia tithymaloides'' ssp. ''parasitica'' <small>([[Klotzsch.]] & [[Christian August Friedrich Garcke|Garcke]]) [[V.W.Steinm.]]</small> (= ''Pedilanthus tithymaloides'' ssp. ''parasiticus'')
**''Euphorbia tithymaloides'' ssp. ''retusa'' <small>([[George Bentham|Benth.]]) [[V.W.Steinm.]]</small> (= ''Pedilanthus tithymaloides'' ssp. ''retusus'')
**''Euphorbia tithymaloides'' ssp. ''smallii'' <small>([[Charles Frederick Millspaugh|Millsp.]]) [[V.W.Steinm.]]</small> (= ''Pedilanthus tithymaloides'' ssp. ''smallii'')
**''Euphorbia tithymaloides'' ssp. ''tithymaloides'' (= ''Pedilanthus tithymaloides'' ssp. ''tithymaloides'')
*''[[Euphorbia tlapanensis]]'' <small>[[Hargreaves]]</small>
*''[[Euphorbia togakusensis]]'' <small>[[Bunzō Hayata|Hayata]]</small>
*''[[Euphorbia tomentella]]'' <small>[[Georg Engelmann|Engelm.]] ex [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia tomentulosa]]'' <small>[[Sereno Watson|S.Watson]]</small> 
*''[[Euphorbia torralbasii]]'' <small>[[Ignatz Urban|Urb.]]</small>
*''[[Euphorbia torrei]]'' <small>([[L.C.Leach]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium torrei'') 
*''[[Euphorbia torta]]'' <small>[[Ferdinand Albin Pax|Pax]] & [[K.Hoffmann]]</small> 
*''[[Euphorbia tortilis]]'' <small>[[Rottler]] ex [[W.Ainslie]]</small> 
*''[[Euphorbia tortirama]]'' <small>[[Robert Allen Dyer|R.A.Dyer]]</small> 
*''[[Euphorbia tortistyla]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia tozzii]]'' <small>[[Emilio Chiovenda|Chiov.]]</small>
*''[[Euphorbia trachysperma]]'' <small>[[Georg Engelmann|Engelm.]]</small>
*''[[Euphorbia trancapatae]]'' <small>([[Léon Croizat|Croizat]]) [[James Francis Macbride|J.F.Macbr.]]</small>
*''[[Euphorbia transoxana]]'' <small>([[Jaroslav Ivanovic Prokhanov|Prokh.]]) [[Jaroslav Ivanovic Prokhanov|Prokh.]]</small>
*''[[Euphorbia transtagana]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia transvaalensis]]'' <small>[[Rudolf Schlechter|Schltr.]]</small> (s)
*''[[Euphorbia tranzschelii]]'' <small>([[Jaroslav Ivanovic Prokhanov|Prokh.]]) [[Jaroslav Ivanovic Prokhanov|Prokh.]]</small>
*''[[Euphorbia triangolensis]]'' <small>[[Peter Vincent Bruyns|Bruyns]]</small> (= ''Synadenium angolense'') 
*''[[Euphorbia triaculeata]]'' <small>[[Peter Forsskål|Forssk.]]</small> 
*''[[Euphorbia trialata]]'' <small>([[Huft]]) [[V.W.Steinm.]]</small>
*''[[Euphorbia triangularis]]'' <small>[[René Louiche Desfontaines|Desf.]] ex [[Alwin Berger|A.Berger]]</small> 
*''[[Euphorbia trichadenia]]'' <small>[[Ferdinand Albin Pax|Pax]]</small>
**''Euphorbia trichadenia'' var. ''gibbsiae'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small>
**''Euphorbia trichadenia'' var. ''trichadenia''
*''[[Euphorbia trichiocyma]]'' <small>[[Susan Carter Holmes|S.Carter]]</small>
*''[[Euphorbia trichocardia]]'' <small>[[Lyman Bradford Smith|L.B.Sm.]]</small>
*''[[Euphorbia trichophylla]]''
*''[[Euphorbia trichotoma]]'' <small>[[Carl Sigismund Kunth|Kunth]]</small> 
*''[[Euphorbia tricolor]]'' <small>[[Jesse More Greenman|Greenm.]]</small>
*''[[Euphorbia tridentata]]'' <small>[[Jean-Baptiste Lamarck|Lam.]]</small> 
*''[[Euphorbia triflora]]'' <small>[[Heinrich Wilhelm Schott|Schott]], [[Carl Fredrik Nyman|Nyman]] & [[Theodor Kotschy|Kotschy]]</small>
*''[[Euphorbia trigona]]'' <small>[[Philip Miller|Mill.]]</small> 
*''[[Euphorbia triloba]]'' <small>[[Martín Sessé y Lacasta|Sessé]] & [[José Mariano Mociño|Moc.]]</small>
*''[[Euphorbia trinervia]]'' <small>[[Heinrich Christian Friedrich Schumacher|Schumach.]]</small>
*''[[Euphorbia triodonta]]'' <small>([[Jaroslav Ivanovic Prokhanov|Prokh.]]) [[Jaroslav Ivanovic Prokhanov|Prokh.]]</small>
*''[[Euphorbia tripartita]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia triphylla]]'' <small>([[Johann Friedrich Klotzsch|Klotzsch]] & [[Christian August Friedrich Garcke|Garcke]] ex [[Johann Friedrich Klotzsch|Klotzsch]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia troyana]]'' <small>[[Ignatz Urban|Urb.]]</small>
*''[[Euphorbia tshuiensis]]'' <small>([[Jaroslav Ivanovic Prokhanov|Prokh.]]) [[Sergievsk.]] ex [[Porfiry Krylov (botanist)|Krylov]]</small>
*''[[Euphorbia tsimbazazae]]'' <small>[[Jacques Désiré Leandri|Leandri]]</small>
*''[[Euphorbia tuberculata]]'' <small>[[Nikolaus Joseph von Jacquin|Jacq.]]</small> 
**''Euphorbia tuberculata'' var. ''macowanii'' <small>[[A.C.White]], [[Robert Allen Dyer|R.A.Dyer]] & [[B.Sloane]]</small>
**''Euphorbia tuberculata'' var. ''tuberculata''
*''[[Euphorbia tuberculatoides]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia tuberifera]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia tuberosa]]'' <small>[[Carl Linnaeus|L.]]</small> 
*''[[Euphorbia tubiglans]]'' <small>[[Rudolf Marloth|Marloth]] ex. [[Robert Allen Dyer|R.A.Dyer]]</small> 
*''[[Euphorbia tuckeyana]]'' <small>[[Ernst Gottlieb von Steudel|Steud.]] ex [[P.B.Webb]]</small> 
*''[[Euphorbia tuerckheimii]]'' <small>[[Ignatz Urban|Urb.]]</small>
*''[[Euphorbia tugelensis]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia tulearensis]]'' 
*''[[Euphorbia tumbaensis]]'' <small>[[Émile Auguste Joseph De Wildeman|De Wild.]]</small>
*''[[Euphorbia tumistyla]]'' <small>([[Derek George Burch|D.G.Burch]]) [[Alan Radcliffe-Smith|Radcl.-Sm.]]</small>
*''[[Euphorbia tunetana]]'' <small>([[Murbeck]]) [[Vierh.]] ex [[F.Buxbaum]]</small>
*''[[Euphorbia turbiniformis]]'' <small>[[Emilio Chiovenda|Chiov.]]</small> 
*''[[Euphorbia turczaninowii]]'' <small>[[Kar.]] & [[Kir.]]</small>
*''[[Euphorbia turkanensis]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia turkestanica]]'' <small>[[Eduard August von Regel|Regel]]</small>
*''[[Euphorbia turpinii]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia tyraica]]'' <small>[[Michail Vasiljevich Klokov|Klokov]] & [[Artemcz.]] ex Klokov</small>

== U ==
*''[[Euphorbia ugandensis]]'' <small>[[Ferdinand Albin Pax|Pax]] & [[K.Hoffmann]] ex [[Ferdinand Albin Pax|Pax]]</small>
*''[[Euphorbia uhligiana]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia uliginosa]]'' <small>[[Friedrich Welwitsch|Welw.]] ex [[Pierre Edmond Boissier|Boiss.]]</small>;
*''[[Euphorbia umbellulata]]'' <small>[[Georg Engelmann|Engelm.]] ex [[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia umbonata]]'' <small>[[Susan Carter Holmes|S.Carter]]</small> 
*''[[Euphorbia umbraculiformis]]'' <small>[[Werner Rauh|Rauh]]</small> 
*''[[Euphorbia umbrosa]]'' <small>[[Bert.]] ex [[Curt Polycarp Joachim Sprengel|Spreng.]]</small>
*''[[Euphorbia umfoloziensis]]'' <small>[[R.G.Peckover]]</small> 
*''[[Euphorbia undulata]]'' <small>[[Friedrich August Marschall von Bieberstein|M.Bieb.]]</small>
*''[[Euphorbia undulatifolia]]'' <small>[[Johannes Albertus Janse|Janse]]</small> 
*''[[Euphorbia unicornis]]'' <small>[[Robert Allen Dyer|R.A.Dyer]]</small> 
*''[[Euphorbia uniglandulosa]]'' <small>[[Sereno Watson|S.Watson]]</small>
*''[[Euphorbia uniglans]]'' <small>[[M.G.Gilbert]]</small> 
*''[[Euphorbia unispina]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia uralensis]]'' <small>[[Friedrich Ernst Ludwig von Fischer|Fisch.]] ex [[Johann Heinrich Friedrich Link|Link]]</small>
*''[[Euphorbia urbanii]]'' <small>([[Charles Frederick Millspaugh|Millsp.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia urceolophora]]'' <small>[[Lorenzo Raimundo Parodi|Parodi]]</small>
*''[[Euphorbia usambarica]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
**''[[Euphorbia usambarica ssp. elliptica]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
**''[[Euphorbia usambarica ssp. usambarica]]'' 
*''[[Euphorbia uzmuk]]'' <small>[[Susan Carter Holmes|S.Carter]] & [[J.R.I.Wood]]</small>

== V ==
* ''[[Euphorbia vaalputsiana]]'' <small>[[L.C.Leach]]</small> 
* ''[[Euphorbia vachellii]]'' <small>[[William Jackson Hooker|Hook.]] & [[George Arnott Walker-Arnott|Arn.]]</small>
* ''[[Euphorbia vaginulata]]'' <small>[[Griseb]]</small> 
* ''[[Euphorbia vajravelui]]'' <small>[[Binojk.]] & [[N.P.Balakr.]]</small> 
* ''[[Euphorbia valerianifolia]]'' <small>[[Jean-Baptiste Lamarck|Lam.]]</small>
* ''[[Euphorbia valerii]]'' <small>[[Paul Carpenter Standley|Standl.]]</small>
* ''[[Euphorbia vallaris]]'' <small>[[L.C.Leach]]</small> 
* ''[[Euphorbia valliniana]]'' <small>[[Belli]]</small>
* ''[[Euphorbia vallismortuae]]'' <small>([[Charles Frederick Millspaugh|Millsp.]]) [[Thomas J. Howell (botanist)|Howell]]</small>
* ''[[Euphorbia vandermerwei]]'' <small>[[Robert Allen Dyer|R.A.Dyer]]</small> 
* ''[[Euphorbia variabilis]]'' <small>[[Vincenzo de Cesati|Ces.]]</small>
* ''[[Euphorbia vauthieriana]]'' <small>[[Pierre Edmond Boissier|Boiss.]] </small>
* ''[[Euphorbia vedica]]'' <small>[[S.Ter-Chatschat.]] </small>
* ''[[Euphorbia velleriflora]]'' <small>([[Johann Friedrich Klotzsch|Klotzsch]] & [[Christian August Friedrich Garcke|Garcke]] ex [[Johann Friedrich Klotzsch|Klotzsch]]) [[Pierre Edmond Boissier|Boiss.]] </small>
* ''[[Euphorbia velligera]]'' <small>[[S.Schauer]] ex [[Christian Gottfried Daniel Nees von Esenbeck|Nees]] & [[S.Schauer]] </small>
* ''[[Euphorbia venenata]]'' <small>[[Rudolf Marloth|Marloth]] </small> 
* ''[[Euphorbia venenifica]]'' <small>[[Theodor Kotschy|Kotschy]] ex [[Pierre Edmond Boissier|Boiss.]] </small> 
* ''[[Euphorbia veneris]]'' <small>[[M.S.Khan]] </small>
* ''[[Euphorbia veneta]]'' <small>[[Carl Ludwig Willdenow|Willd.]] </small>
* ''[[Euphorbia venteri]]'' <small>[[L.C.Leach]] ex [[R.H.Archer]] & [[Susan Carter Holmes|S.Carter]] </small> 
* ''[[Euphorbia verapazensis]]'' <small>[[Paul Carpenter Standley|Standl.]] & [[Julian Alfred Steyermark|Steyerm.]] </small> 
* ''[[Euphorbia vermiculata]]'' <small>[[Constantine Samuel Rafinesque-Schmaltz|Raf.]] </small>
* ''[[Euphorbia verrucosa]]'' <small>[[Carl Linnaeus|L.]] </small>
* ''[[Euphorbia verruculosa]]'' <small>[[Nicholas Edward Brown|N.E.Br.]] </small> 
* ''[[Euphorbia versicolores]]'' <small>[[G.Will.]] </small> 
* ''[[Euphorbia vervoorstii]]'' <small>[[Subils]] </small>
* ''[[Euphorbia vestita]]'' <small>[[Pierre Edmond Boissier|Boiss.]] </small>
* ''[[Euphorbia vezorum]]'' <small>[[Jacques Désiré Leandri|Leandri]] </small>
* ''[[Euphorbia viatilis]]'' <small>[[Ernst Heinrich Georg Ule|Ule]] </small>
* ''[[Euphorbia viduiflora]]'' <small>[[L.C.Leach]] </small> 
* ''[[Euphorbia viguieri]]'' <small>[[Marcel Denis|Denis]] </small> 
** ''Euphorbia viguieri'' var. ''ankarafantsiensis'' <small>[[Eugène Ursch|Ursch]] & [[Jacques Désiré Leandri|Leandri]] </small>
** ''Euphorbia viguieri'' var. ''capuroniana'' <small>[[Eugène Ursch|Ursch]] & [[Jacques Désiré Leandri|Leandri]] </small>
** ''Euphorbia viguieri'' var. ''tsimbazazae'' <small>[[Eugène Ursch|Ursch]] & [[Jacques Désiré Leandri|Leandri]] </small>
** ''Euphorbia viguieri'' var. ''viguieri''
** ''Euphorbia viguieri'' var. ''vilanandrensis'' <small>[[Eugène Ursch|Ursch]] & [[Jacques Désiré Leandri|Leandri]] </small>
* ''[[Euphorbia villifera]]'' <small>[[George Heinrich Adolf Scheele|Scheele]] </small>
* ''[[Euphorbia villosa]]'' <small>[[Waldst.]] & [[Pál Kitaibel|Kit.]] ex [[Carl Ludwig Willdenow|Willd.]] </small>
** ''Euphorbia villosa'' ssp. ''semivillosa'' <small>([[Jaroslav Ivanovic Prokhanov|Prokh.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]] </small>
** ''Euphorbia villosa'' ssp. ''valdevillosocarpa'' <small>([[Arvat.]] & [[Nyar.]]) [[R.Turner]] </small>
** ''Euphorbia villosa'' ssp. ''villosa''
* ''[[Euphorbia viminea]]'' <small>[[Joseph Dalton Hooker|Hook.f.]] </small>
* ''[[Euphorbia violacea]]'' <small>[[Jesse More Greenman|Greenm.]] </small>
* ''[[Euphorbia virgata]]'' <small>Waldst. & Kit.</small>
* ''[[Euphorbia viridis]]'' <small>([[Johann Friedrich Klotzsch|Klotzsch]] & [[Christian August Friedrich Garcke|Garcke]] ex [[Johann Friedrich Klotzsch|Klotzsch]]) [[Pierre Edmond Boissier|Boiss.]] </small>
* ''[[Euphorbia viridula]]'' <small>[[Cordemoy]] ex [[Alan Radcliffe-Smith|Radcl.-Sm.]] </small>
* ''[[Euphorbia virosa]]'' <small>[[Carl Ludwig Willdenow|Willd.]] </small> 
** ''Euphorbia virosa'' ssp. ''arenicola'' <small>[[L.C.Leach]] </small>
** ''Euphorbia virosa'' ssp. ''virosa''
* ''[[Euphorbia viscoides]]'' <small>[[Pierre Edmond Boissier|Boiss.]] </small>
* ''[[Euphorbia vittata]]'' <small>[[Susan Carter Holmes|S.Carter]] </small> 
* ''[[Euphorbia volgensis]]'' <small>[[Kryshtof.]] </small>
* ''[[Euphorbia volhynica]]'' <small>[[Wilibald Swibert Joseph Gottlieb von Besser|Besser]] ex [[M.Raciborski]] </small>
* ''[[Euphorbia volkii]]'' <small>[[Karl Heinz Rechinger|Rech.f.]] </small>
* ''[[Euphorbia volkmanniae]]'' <small>[[Kurt Dinter|Dinter]] </small> 
* ''[[Euphorbia vulcanorum]]'' <small>[[Susan Carter Holmes|S.Carter]] </small>

== W ==
*''[[Euphorbia wakefieldii]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia waldsteinii]]'' <small>([[Jirí Soják|Soják]]) [[Alan Radcliffe-Smith|Radcl.-Sm.]]</small>
**''[[Euphorbia waldsteinii var. jaxartica]]'' <small>([[Jaroslav Ivanovic Prokhanov|Prokh.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''[[Euphorbia waldsteinii var. orientalis]]'' <small>([[Pierre Edmond Boissier|Boiss.]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''[[Euphorbia waldsteinii var. saratoi]]'' <small>([[Ardoino]]) [[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
**''[[Euphorbia waldsteinii var. waldsteinii]]''
*''[[Euphorbia wallichii]]'' <small>[[Joseph Dalton Hooker|Hook.f.]]</small>
*''[[Euphorbia wangii]]'' <small>[[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia waringiae]]'' <small>[[Werner Rauh|Rauh]] & [[R.Gerold]]</small> 
*''[[Euphorbia waterbergensis]]'' <small>[[Robert Allen Dyer|R.A.Dyer]]</small> 
*''[[Euphorbia weberbaueri]]'' <small>[[R.Mansfeld]]</small> 
*''[[Euphorbia wellbyi]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small>
*''[[Euphorbia wellbyi var. wellbyi]]''
*''[[Euphorbia wellbyi var. glabra]]'' <small>[[Susan Carter Holmes|S.Carter]]</small>
*''[[Euphorbia welwitschii]]'' <small>[[Pierre Edmond Boissier|Boiss.]] & [[George François Reuter|Reut.]]</small>
*''[[Euphorbia wheeleri]]'' <small>[[Louis Antoine François Baillon|Baillon]]</small>
*''[[Euphorbia whellanii]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia whyteana]]'' <small>[[Edmund Gilbert Baker|Baker f.]]</small>
*''[[Euphorbia wildii]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia williamsonii]]'' <small>[[L.C.Leach]]</small> 
*''[[Euphorbia wilmaniae]]'' <small>[[Rudolf Marloth|Marloth]]</small> 
*''[[Euphorbia wilsonii]]'' <small>([[Charles Frederick Millspaugh|Millsp.]]) [[Donovan Stewart Correll|Correll]]</small>
*''[[Euphorbia wittmannii]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia woodii]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small> 
*''[[Euphorbia wootonii]]'' <small>[[Robertus Cornelis Hilarius Maria Oudejans|Oudejans]]</small>
*''[[Euphorbia woronowii]]'' <small>[[Alexander Alfonsovich Grossheim|Grossh.]]</small>
*''[[Euphorbia wrightii]]'' <small>[[John Torrey|Torr.]] & [[Asa Gray|A.Gray]]</small>

== X ==
*''[[Euphorbia xalapensis]]'' <small>[[Carl Sigismund Kunth|Kunth]]</small>
*''[[Euphorbia xanti]]'' <small>[[Georg Engelmann|Engelm.]] ex [[Pierre Edmond Boissier|Boiss.]]</small> 
*''[[Euphorbia xbacensis]]'' <small>[[Charles Frederick Millspaugh|Millsp.]]</small>
*''[[Euphorbia xeropoda]]'' <small>[[Townshend Stith Brandegee|Brandegee]]</small>
*''[[Euphorbia xylacantha]]'' <small>[[Ferdinand Albin Pax|Pax]]</small> 
*''[[Euphorbia xylopoda]]'' <small>[[Jesse More Greenman|Greenm.]]</small>

== Y ==
*''[[Euphorbia yamashitae]]'' <small>[[Kitam.]]</small>
*''[[Euphorbia yajinensis]]'' <small>[[W.T.Wang]]</small>
*''[[Euphorbia yaroslavii]]'' <small>[[P.P.Poljakov]]</small>
*''[[Euphorbia yattana]]'' <small>([[Peter René Oscar Bally|P.R.O.Bally]]) [[Peter Vincent Bruyns|Bruyns]]</small> (= ''Monadenium yattanum'')
*''[[Euphorbia yayalesia]]'' <small>[[Ignatz Urban|Urb.]]</small>
*''[[Euphorbia yemenica]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia yinshanica]]'' <small>[[S.Q.Zhou]]</small>
*''[[Euphorbia yucatanensis]]'' <small>([[Charles Frederick Millspaugh|Millsp.]]) [[Paul Carpenter Standley|Standl.]]</small>

== Z ==
*''[[Euphorbia zakamenae]]'' <small>[[Jacques Désiré Leandri|Leandri]]</small> 
*''[[Euphorbia zambesiana]]'' <small>[[George Bentham|Benth.]]</small> 
**''[[Euphorbia zambesiana var. benguelensis]]'' <small>([[Ferdinand Albin Pax|Pax]]) [[Nicholas Edward Brown|N.E.Br.]]</small> 
**''[[Euphorbia zambesiana var. zambesiana]]'' 
*''[[Euphorbia zeylana]]'' <small>[[Nicholas Edward Brown|N.E.Br.]]</small>
*''[[Euphorbia zierioides]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia zornioides]]'' <small>[[Pierre Edmond Boissier|Boiss.]]</small>
*''[[Euphorbia zoutpansbergensis]]'' <small>[[Robert Allen Dyer|R.A.Dyer]]</small>

== Referensi ==

*  (2006): ''A new subgeneric classification for ''Euphorbia'' (Euphorbiaceae) in southern Africa based on ITS and psbA-trnH sequence data''. ''[[Taxon (journal)|Taxon]]'' **55**(2): 397–420. [http://www.ingentaconnect.com/content/iapt/tax/2006/00000055/00000002/art00013 HTML abstract]
* & al. (2010). World Checklist of Malpighiales. The Board of Trustees of the Royal Botanic Gardens.[https://wcsp.science.kew.org/namedetail.do?name_id=78175 Euphorbia L., Sp. Pl.: 450 (1753)]
*  (2003): The submersion of ''Pedilanthus'' into ''Euphorbia'' (Euphorbiaceae). ''Acta Botanica Mexicana'' **65**: 45-50. [https://web.archive.org/web/20080625174252/http://www.ecologia.edu.mx/publicaciones/resumeness/ABM/ABM.65.2003/acta65(45-50).pdf PDF fulltext] [English with Spanish abstract]
*  (2002): ''Phylogenetic relationships in Euphorbieae (Euphorbiaceae) based on ITS and ndhF sequence data''. ''Annals of the Missouri Botanical Garden'' **89'''(4): 453–490.  (HTML abstract, first page image)

## Pranala luar
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