Lista dî gènira Asteraceae

__NOTOC__
Chissa è na lista dî gènira dâ famigghia di chianti:  *[[Asteraceae]]*.

## A
**[[Aaronsohnia]]* Warb. & Eig
**[[Abrotanella]]* Cass.
**[[goldenhead|Acamptopappus]]* (A.Gray) A.Gray - goldenhead
**[[Acanthocephalus]]* Kar. & Kir.
**[[Acanthocladium]]* F.Muell.
**[[Acanthodesmos]]* C.D.Adams & duQuesnay
**[[Acantholepis]]* Less.
**[[Acanthospermum]]* Schrank - starburr
**[[Acanthostyles]]* R.M.King & H.Rob.
**[[Achaetogeron]]* A.Gray
**[[Achillea]]* L. - yarrow
**[[Achnophora]]* F.Muell.
**[[Achnopogon]]* Maguire, Steyerm. & Wurdack
**[[Achyrachaena]]* Schauer - blow wives
**[[Achyrocline]]* (Less.) DC.
**[[Achyropappus]]* Kunth
**[[Achyrothalamus]]* O.Hoffm.
**[[Acmella]]* Rich. ex Pers. - spotflower
**[[Acomis]]* F.Muell.
**[[Acourtia]]* D.Don - desert peony
**[[Acrisione]]* B.Nord.
**[[Acritopappus]]* R.M.King & H.Rob.
**[[Acroclinium]]* A.Gray
**[[Russian knapweed|Acroptilon]]* Cass - hardheads, Russian knapweed
**[[Actinobole]]* Endl.
**[[Actinoseris]]* (Endl.) Cabrera
**[[Actinospermum]]* Elliott
**[[Adelostigma]]* Steetz
**[[Adenanthellum]]* B.Nord.
**[[Adenocaulon]]* Hook - trailplant
**[[Adenocritonia]]* R.M.King & H.Rob.
**[[Adenoglossa]]* B.Nord.
**[[Adenoon]]* Dalzell
**[[Adenopappus]]* Benth
**[[Adenophyllum]]* - dogweed
**[[Adenostemma]]* Pers. - medicineplant
**[[Adenothamnus]]* D.D.Keck
**[[Aedesia]]* O.Hoffm.
**[[Aegopordon]]* Boiss.
**[[Aequatorium]]* B.Nord
**[[Aetheorhiza]]* Cass.
**[[Ageratella]]* A.Gray ex S.Watson 
**[[snakeroot|Ageratina]]* Spach - snakeroot
**[[Ageratinastrum]]* Mattf. 
**[[Ageratum]]* L. - whiteweed
**[[Agiabampoa]]* Rose ex O.Hoffm. 
**[[Agoseris]]* Raf. - mountain dandelion
**[[Agrianthus]]* Mart. ex DC.
**[[Ainsliaea]]* DC.
**[[Ajania]]* Poljakov
**[[Ajaniopsis]]* C.Shih
**[[Alatoseta]]* Compton
**[[Albertinia]]* Spreng.
**[[Alcantara (plant)|Alcantara]]* Glaz. ex G.M.Barroso
**[[Alciope]]* DC. ex Lindl.
**[[Aldama]]* La Llave
**[[Alepidocline]]* S.F.Blake
**[[Alfredia]]* Cass.
**[[Aliella]]* Qaiser & Lack
**[[Allagopappus]]* Cass.
**[[Allardia]]* Decne.
**[[Alloispermum]]* Willd.
**[[Allopterigeron]]* Dunlop 
**[[Almutaster]]* - alkalai marsh aster (synonym of *[[Aster (flower)|Aster]]* L.)
**[[Alomia]]* Kunth
**[[Alomiella]]* R.M.King & H.Rob.
**[[Alvordia]]* Brandegee
**[[Amauria]]* Benth
**[[Amberboa]]* (Pers.) Less. 
**[[Amblyocarpum]]* Fisch. & C.A.Mey.
**[[Amblyolepis]]* DC
**[[Amblyopappus]]* Hook. & Arn.
**[[Amboroa]]* Cabrera 
**[[Ragweed|Ambrosia]]* L. - bursage, ragweed
**[[Ameghinoa]]* Speg.
**[[Amellus]]* L.
**[[Ammobium]]* R.Br. ex Sims
**[[Amolinia]]* R.M.King & H.Rob. 
**[[Ampelaster]]* - climbing aster
**[[Amphiachyris]]* - broomweed
**[[Amphiglossa]]* DC
**[[Amphipappus]]* - chaffbush
**[[Amphoricarpos]]* Vis.
**[[Anacantha]]* (Iljin) Sojak 
**[[Anacylus]]* L.
**[[Anaphalioides]]* (Benth.) Kirp.
**[[pearly everlasting|Anaphalis]]* DC - pearly everlasting
**[[Anastraphia]]* D.Don
**[[Anaxeton]]* Gaertn.
**[[Ancathia]]* DC.
**[[Ancistrophora]]* A.Gray
**[[Andryala]]* L.
**[[Angelphytum]]* G.M.Barroso
**[[Angianthus]]* J.C.Wendl.
**[[Anisochaeta]]* DC.
**[[Anisocoma]]* Torr. & A.Gray 
**[[Anisopappus]]* Hook. & Arn.
**[[Anisothrix]]* O.Hoffm. ex Kuntze
**[[Anomostephium]]* DC.
**[[Antennaria]]* Gaertn.  - pussytoes
**[[Roman chamomile|Anthemis]]* L. - Roman chamomile
**[[Antheropeas]]* Rydb. - Easter bonnets
**[[Antillia (genus)|Antillia]]* R.M.King & H.Rob.
**[[Antiphiona]]* Merxm.
**[[Antithrixia]]* DC.
**[[Anura (plant)|Anura]]* (Juz.) Tscherneva
**[[Anvillea]]* DC.
**[[Apalochlamys]]* (Cass.) Cass.
**[[Apargidium]]* Torr. & A.Gray
**[[Aphanactis]]* Wedd.
**[[Aphanostephus]]* DC - doze daisy
**[[Aphyllocladus]]* Wedd.
**[[Apodocephala]]* Baker
**[[Aposeris]]* Neck. ex Cass.
**[[Apostates (genus)|Apostates]]* Lander
**[[Arbelaezaster]]* Cuatrec.
**[[Archibaccharis]]* Heering
**[[Arctanthemum]]* (Tzvelev) Tzvelev 
**[[burdock|Arctium]]* L. - burdock
**[[Arctogeron]]* DC.
**[[Arctotheca]]* J.C.Wendl. - capeweed
**[[Arctotis]]* L.
**[[Argyranthemum]]* Webb - dill daisy
**[[Argyroglottis]]* Turcz.
**[[Argyrophanes]]* Schltdl. 
**[[Argyroxiphium]]* DC - silversword
**[[Aristeguietia]]* R.M.King & H.Rob.
**[[Arnaldoa]]* Cabrera 
**[[Arnica]]* L. - arnica
**[[Arnicastrum]]* Greenm. 
**[[Arnoglossum]]* Raf. - Indian plaintain
**[[Arnoseris]]* Gaertn.
**[[Arrhenechthites]]* Mattf.
**[[Arrojadocharis]]* Mattf.
**[[Arrowsmithia]]* DC.
**[[Artemisia (plant)|Artemisia]]* L. - tarragon, sagebrush, sagewort, wormwood, mugwort
**[[Artemisiopsis]]* S.Moore 
**[[Asanthus]]* R.M.King & H.Rob. - brickellbush
**[[Ascidiogyne]]* Cuatrec
**[[Aspilia]]* Thouars 
**[[Asplundianthus]]* R.M.King & H.Rob
**[[Aster (flower)|Aster]]* L. - aster
**[[Asteridea (plant)|Asteridea]]* Lindl.
**[[Asteriscus (genus)|Asteriscus]]* Mill.
**[[Asteromoea]]* Blume 
**[[Astranthium]]* Nutt.- western daisy
**[[Athanasia]]* L.
**[[Athrixia]]* Ker Gawl.
**[[Athroisma]]* DC
**[[Atractylis]]* L.
**[[Atractylodes]]* DC.
**[[Atrichantha]]* Hilliard & B.L.Burtt
**[[Atrichoseris]]* A.Gray 
**[[Austrobrickellia]]* R.M.King & H.Rob.
**[[Austrocritonia]]* R.M.King & H.Rob.
**[[Austroeupatorium]]* R.M.King & H.Rob.
**[[Austroliabum]]* H.Rob. & Brettell
**[[Austrosynotis]]* C.Jeffrey 
**[[Avellara]]* Blanca & C.Diaz
**[[Axiniphyllum]]* Benth
**[[Ayapana]]* Spach
**[[Ayapanopsis]]* R.M.King & H.Rob.
**[[Aylacophora]]* Cabrera

## B
**[[Baccharis]]* L. - baccharis
**[[Badilloa]]* R.M.King & H.Rob.
**[[Baeriopsis]]* J.T.Howell
**[[Bafutia]]* C.D.Adams 
**[[Bahia (plant)|Bahia]]* Lach. - bahia
**[[Bahianthus]]* R.M.King & H.Rob.
**[[Baileya]]* Harv. & A.Gray - desert marigold
**[[Balduina]]* Nutt. - honeycombhead
**[[Balsamita]]* - balsamita (synonym of *[[Tanacetum]]* L.)
**[[Balsamorhiza]]* Hook. ex Nutt. - balsamroot
**[[Baltimora (genus)|Baltimora]]* L. - baltimora
**[[Barkleyanthus]]* H.Rob. & Brettell  - willow ragwort
**[[Barnadesia]]* Mutis ex L.f.
**[[Barroetea]]* A.Gray
**[[Barrosoa]]* R.M.King & H.Rob. 
**[[Bartlettia]]* A. Gray
**[[Bartlettina]]* R.M.King & H.Rob.
**[[Basedowia]]* E.Pritz.
**[[Bebbia]]* Greene - sweetbush
**[[Bedfordia]]* DC.
**[[Bejaranoa]]* R.M.King & H.Rob.
**[[Bellida]]* Ewart 
**[[Bellis]]* L. - daisy
**[[Bellium]]* L.
**[[Belloa]]* J.Remy 
**[[Benitoa]]* D.D.Keck 
**[[Berardia]]* Vill.
**[[Berkheya]]* Ehrh. 
**[[Berlandiera]]* DC- greeneyes
**[[Berroa]]* Beauverd
**[[Bidens]]* L. - beggartick, devil's sticktight, Spanish needles
**[[Bigelowia]]* DC - rayless goldenrod
**[[Bishopalea]]* H.Rob.
**[[Bishopanthus]]* H.Rob.
**[[Bishopiella]]* R.M.King & H.Rob.
**[[Bishovia]]* R.M.King & H.Rob.
**[[Blainvillea]]* Cass.
**[[Blakeanthus]]* R.M.King & H.Rob.
**[[Blakiella]]* Cuatrec.
**[[Blanchetia]]* DC
**[[Blennosperma]]* Less. - stickyseed
**[[Blennospora]]* A.Gray 
**[[Blepharipappus]]* Hook
**[[Blepharispermum]]* DC. 
**[[Blepharizonia]]* (A.Gray) Greene
**[[Blumea]]* DC - false oxtongue
**[[Blumeopsis]]* Gagnep.
**[[Boeberastrum]]* (A.Gray) Rydb.
**[[Boeberoides]]* (DC.) Strother 
**[[Bolanosa]]* A.Gray 
**[[Bolophyta]]* Nutt. 
**[[Boltonia]]*  L'Her.  - doll's daisy
**[[Bombycilaena]]* (DC.) Smoljan. 
**[[Borrichia]]* Adans.  - seaside tansy
**[[Bothriocline]]* Oliv. ex Benth.
**[[Brachanthemum]]* DC.
**[[Brachionostylum]]* Mattf. 
**[[Brachyactis]]* - rayless aster (synonym of *[[Symphyotrichum ciliatum]]*)
**[[Brachyglottis]]* J.R.Forst. & G.Forst.
**[[Brachylaena]]* R.Br.)
**[[Brachyscombe]]* Cass. 
**[[Brachythrix]]* Wild & G.V.Pope
**[[Bracteantha]]* Anderb.
**[[Bradburia]]* Torr. & A.Gray 
**[[Brickellia]]* Elliott - brickelbush
**[[Brickelliastrum]]* R.M.King & H.Rob.  - brickellbush
**[[Brintonia]]* - mock goldenrod (synonym og *Solidago * L. )
**[[Bryomorphe]]* Harv.
**[[Buphthalmum]]* L.
**[[Burkartia]]* Crisci

## C
**[[Cabreriella]]* Cuatrec. 
**[[Cacalia]]* L. - Indian plantain
**[[Cacaliopsis]]* A.Gray 
**[[Cacosmia]]* Kunth
**[[Cadiscus]]* E.Mey. ex DC.
**[[Caesulia]]* Roxb.
**[[Calea]]* L.
**[[Calendula]]* L. - marigold
**[[Callicephalus]]* C.A.Mey.
**[[Callichroa]]* Fisch. & C.A.Mey. 
**[[Callilepis]]* DC. 
**[[Callistephus]]* Cass.
**[[Calocephalus]]* R.Br.
**[[Calomeria]]* Vent.
**[[Calopappus]]* Meyen
**[[Calostephane]]* Benth.
**[[Calotesta]]* P.O.Karis 
**[[Calotis]]* R.Br.
**[[Calycadenia]]* DC- western rosinweed
**[[Calycocorsus]]* F.W.Schmidt 
**[[Calycoseris]]* A.Gray- tackstem
**[[Calyptocarpus]]* Less.
**[[Camchaya]]* Gagnep.
**[[Campovassouria]]* R.M.King & H.Rob.
**[[Camptacra]]* N.T.Burb.
**[[Campuloclinium]]* DC
**[[Canadanthus]]* - mountain aster (?)
**[[Cancrinia]]* Kar. & Kir.
**[[Cancriniella]]* Tzvelev 
**[[Cardopatium]]* Juss.
**[[Carduncellus]]* Adans.
**[[Carduus]]* L. - plumeless thistle
**[[Carlina]]* L. - carline thistle
**[[Carminatia]]* Moc. ex DC. 
**[[Carpesium]]* L.
**[[Carphephorus]]* Cass.  - chaffhead
**[[Carphochaete]]* A.Gray  - bristlehead
**[[Carramboa]]* Cuatrec.
**[[Carterothamnus]]* R.M.King 
**[[Carthamus]]* L. - distaff thistle
**[[Cassinia]]* R.Br.
**[[Castalis]]*  Cass.
**[[Castenedia]]* R.M.King & H.Rob.
**[[Catamixis]]* Thomson
**[[Catananche]]* L.
**[[Catatia]]* Humbert
**[[Cavalcantia]]* R.M.King & H.Rob.
**[[Cavea (genus)|Cavea]]* W.W.Sm. & Small 
**[[Celmisia]]* Cass. 
**[[Centaurea]]* L. - knapweed, cornflower, star thistle
**[[Centaurodendron]]* Johow
**[[Centauropsis]]* Bojer ex DC.
**[[Centaurothamnus]]* Wagenitz & Dittrich 
**[[Centipeda]]* Lour
**[[Centratherum]]* Cass.
**[[Cephalipterum]]* A.Gray 
**[[Cephalopappus]]* Nees & Mart. 
**[[Cephalorrhynchus]]* Boiss.
**[[Cephalosorus]]* A.Gray
**[[Ceratogyne]]* Turcz.
**[[Ceruana]]* Forssk.
**[[Chacoa]]* R.M.King & H.Rob. 
**[[Chaenactis]]* DC - pincushion
**[[chaetadelpha]]* A.Gray ex S.Watson  - skeletonweed
**[[Chaetanthera]]* Ruiz & Pav. 
**[[Chaetopappa]]* DC - least daisy
**[[Chaetospira]]* S.F.Blake
**[[Chaetymenia]]* Hook. & Arn. 
**[[Chamaechaenactis]]* Rydb. 
**[[Chamaegeron]]* Schrenk
**[[Chamaeleon (plant)|Chamaeleon]]* Cass. 
**[[Chamaemelum]]* Mill. - dogfennel
**[[Chamomilla]]* - chamomilla, pineapple weed (synonym of *[[Matricaria]]* L.)
**[[Chaptalia]]* Vent. - sunbonnetts
**[[Chardinia]]* Desf.
**[[Cheirolophus]]* Cass.
**[[Chersodoma]]* Phil.
**[[Chevreulia]]* Cass.
**[[Chiliadenus]]* Cass.
**[[Chiliocephalum]]* Benth.
**[[Chiliophyllum]]* Phil.
**[[Chiliotrichiopsis]]* Cabrera
**[[Chiliotrichum]]* Cass.
**[[Chimantaea]]* Maguire, Steyerm. & Wurdack
**[[Chionolaena]]* DC.
**[[Chionopappus]]* Benth
**[[Chlamydophora]]* Ehrenb. ex Less. 
**[[Chloracantha]]* - Nesom
**[[Chondrilla]]* L.
**[[Chondropyxis]]* D.A.Cooke
**[[Chorisis]]* DC.
**[[Chresta]]* Vell. ex DC. 
**[[Chromolaena]]* DC - thoroughwort
**[[Chromolepis]]* Benth.
**[[Chronopappus]]* DC. 
**[[Chrysactinia]]* A.Gray
**[[Chrysactinium]]* (Kunth) Wedd. 
**[[Chrysanthellum]]* Rich.
**[[Chrysanthemoides]]* Fabr. 
**[[Chrysanthemum]]* (Crisantemu) L.
**[[Chrysocephalum]]* Walp.
**[[Chrysocoma]]* L. 
**[[Chrysogonum]]* L.
**[[Chrysoma]]* Nutt.
**[[Chrysophthalmum]]* Sch.Bip. ex Walp. 
**[[goldenaster|Chrysopsis]]* (Nutt.) Elliott - goldenaster
**[[Chrysothamnus]]* Nutt. - rabbitbrush
**[[Chthonocephalus]]* Steetz
**[[Chucoa]]* Cabrera
**[[Chuquiraga]]* Juss.
**[[Cicerbita]]* Wallr.
**[[Ciceronia]]* Urb.
**[[chicory|Cichorium]]* L. - chicory
**[[Cineraria]]* L.
**[[Cirsium]]* Mill. - thistle
**[[Cissampelopsis]]* (DC.) Miq.
**[[Cladanthus]]* Cass.
**[[Cladochaeta]]* DC. 
**[[Clappia]]* A.Gray - clapdaisy
**[[Clibadium]]* L.
**[[Cnicothamnus]]* Griseb. 
**[[Cnicus]]* L. - blessed thistle
**[[Coespeletia]]* Cuatrec.
**[[Coleocoma]]* F.Muell.
**[[Coleostephus]]* Cass.
**[[Colobanthera]]* Humbert 
**[[Columbiadoria]]* (?.)
**[[Comaclinium]]* Scheidw. & Planch.
**[[Commidendrum]]* DC. 
**[[Complaya]]* Strother 
**[[Condylidium]]* - (synonym *[[Villalba (genus)|Villalba]]*)
**[[Conoclinium]]* R.M.King & H.Rob. - thoroughwort, mistflower
**[[Condylopodium]]* R.M.King & H.Rob.
**[[Conocliniopsis]]* R.M.King & H.Rob.
**[[Conoclinium]]* DC. 
**[[Conyza]]* Less. - horseweed
**[[Coreocarpus]]* Benth.
**[[Coreocarpus]]* Benth. 
**[[Coreopsis]]* L. - tickseed
**[[Corethamnium]]* R.M.King & H.Rob. 
**[[Corethrogyne]]* DC - sandaster
**[[Correllia]]* A.M.Powell
**[[Corymbium]]* L. 
**[[Cosmos (flower)|Cosmos]]* Cas.
**[[Cotula]]* L. - waterbuttons
**[[Coulterella]]* Vasey & Rose
**[[Cousinia]]* Cass.
**[[Cousiniopsis]]* Nevski
**[[Craspedia]]* G.Forst. 
**[[Crassocephalum]]* Moench  - ragleaf
**[[Cratystylis]]* S.Moore
**[[Cremanthodium]]* Benth.
**[[Crepidiastrum]]* Nakai 
**[[hawksbeard|Crepis]]* L. - hawksbeard
**[[Critonia]]* P.Browne - thoroughwort
**[[Critoniadelphus]]* R.M.King & H.Rob.
**[[Critoniella]]* R.M.King & H.Rob.
**[[Critoniopsis]]* Sch.Bip. 
**[[Crocidium]]* Hook - spring-gold
**[[Cronquistia]]* R.M.King
**[[Cronquistianthus]]* R.M.King & H.Rob. 
**[[Croptilon]]* Raf.- scratchdaisy
**[[Crossostephium]]* Less.
**[[Crossothamnus]]* R.M.King & H.Rob. 
**[[Crupina]]* (Pers.) DC.
**[[Cuatrecasasiella]]* H.Rob.
**[[Cuchumatanea]]* Seid. & Beaman 
**[[Cullumia]]* R.Br.
**[[Cuspidia]]* Gaertn. 
**[[Cyanopsis]]* - knapweed (synonym of  *Volutaria * Cass.)
**[[Cyanthillium]]* - ironweed (plant) (synonym of *[[Vernonia]]* Schreb.)
**[[Cyathocline]]* Cass.
**[[Cyathomone]]* S.F.Blake
**[[Cyclachaena]]* Fresen. ex Schltdl.
**[[Cyclolepis]]* Gillies ex D.Don
**[[Cylindrocline]]* Cass.
**[[Cymbolaena]]* Smoljan.
**[[Cymbonotus]]* Cass.
**[[Cymbopappus]]* B.Nord. 
**[[Cymophora]]* B.L.Rob. 
**[[Cynara]]* L. - artichoke

## D
**[[Dacryotrichia]]* Wild 
**[[Dahlia]]* Cav.
**[[Damnxanthodium]]* Strother
**[[Darwiniothamnus]]* Harling
**[[Dasycondylus]]* R.M.King & H.Rob.
**[[Dasyphyllum]]* Kunth 
**[[Daveaua]]* Willk. ex Mariz
**[[Decachaeta]]* DC.
**[[Decastylocarpus]]* Humbert
**[[Decazesia]]* F.Muell.
**[[Delairea]]* Lem. - capeivy
**[[Delamerea]]* S.Moore
**[[Delilia]]* Spreng. 
**[[Dendranthema]]* (DC.) Des Moul.  - arctic daisy
**[[Dendrocacalia]]* (Nakai) Tuyama
**[[Dendrosenecio]]* (Hauman ex Humbert) B.Nord.
**[[Dendroseris]]* D.Don
**[[Denekia]]* Thunb.
**[[Desmanthodium]]* Benth.
**[[Dewildemania]]* O.Hoffm.
**[[Diacranthera]]* R.M.King & H.Rob.
**[[Dianthoseris]]* Sch.Bip.
**[[Diaperia]]* Nutt.
**[[Diaphractanthus]]* Humbert 
**[[Dicercoclados]]* C.Jeffrey & Y.L.Chen 
**[[Dichaetophora]]*  A.Gray
**[[Dichrocephala]]* L'Her. ex DC.
**[[Dichromochlamys]]* Dunlop
**[[Dicoma]]* Cass.
**[[Dicoria]]* Torr. & A.Gray - twinbugs
**[[Dicranocarpus]]* A.Gray 
**[[Didelta]]* L'Her.
**[[Dielitzia]]* P.S.Short
**[[Digitacalia]]* Pippen 
**[[Dimeresia]]* A. Gray
**[[Dimerostemma]]* Cass.
**[[Dimorphocoma]]* F.Muell. & Tate 
**[[Dimorphotheca]]* Moench  - cape marigold
**[[Dinoseris]]* Griseb.
**[[Diodontium]]* F.Muell.
**[[Diplazoptilon]]* Y.Ling
**[[Diplostephium]]* Kunth
**[[Dipterocome]]* Fisch. & C.A.Mey.
**[[Dipterocypsela]]* S.F.Blake
**[[Disparago]]* Gaertn.
**[[Dissothrix]]* A.Gray
**[[Distephanus]]* (Cass.) Cass. 
**[[Disynaphia]]* Hook. & Arn. ex DC.
**[[Dithyrostegia]]* A.Gray 
**[[Dittrichia]]* Greuter 
**[[Doellingeria]]* Ness. - whitetop 
**[[Dolichlasium]]* Lag.
**[[Dolichoglottis]]* B.Nord.
**[[Dolichorrhiza]]* (Pojark.) Galushko
**[[Dolichothrix]]* Hilliard & B.L.Burtt
**[[Dolomiaea]]* DC. 
**[[Doniophyton]]* Wedd. 
**[[Doronicum]]* L. - false leopardbane
**[[Dracopis]]* - coneflower (synonym of *[[Rudbeckia]]* L.)
**[[Dresslerothamnus]]* H.Rob.
**[[Dubautia]]* Gaudich. 
**[[Dubyaea]]* DC. 
**[[Dugaldia]]* (Cass.) Cass. 
**[[Dugesia (plant)|Dugesia]]* A.Gray
**[[Duhaldea]]* DC.
**[[Duidaea]]* S.F.Blake
**[[Duseniella]]* K.Schum.
**[[Dymondia]]* Compton
**[[Dyscritogyne]]* R.M.King & H.Rob.
**[[Dyscritothamnus]]* B.L.Rob
**[[Dysodiopsis]]* (A.Gray) Rydb. - dogfennel
**[[Dyssodia]]* Cav. - dogweed

## E
**[[Eastwoodia]]* Brandegee 
**[[Eatonella]]* A.Gray 
**[[Echinacea]]* Moench  - coneflower
**[[Echinops]]* L. - globethistle
**[[Eclipta]]* L. 
**[[Edmondia]]* Cass. 
**[[Egletes]]* Cass.- tropic daisy
**[[Eitenia]]* R.M.King & H.Rob.
**[[Ekmania]]* Gleason
**[[Elachanthus]]* F.Muell.
**[[Elaphandra]]* Strother 
**[[Elephantopus]]* L. - elephantsfoot
**[[Eleutheranthera]]* Poit. ex Bosc 
**[[Ellenbergia]]* Cuatrec.
**[[Elytropappus]]* Cass. 
**[[Emilia (genus)|Emilia]]* (Cass.) Cass.  - tasselflower
**[[Emiliella]]* S.Moore 
**[[Encelia]]* Adans. - brittlebush
**[[Enceliopsis]]* (A.Gray) A.Nelson  - sunray
**[[Endocellion]]* Turcz. ex Herder
**[[Endopappus]]* Sch.Bip.
**[[Engelmannia]]* A.Gray ex Nutt.  - Engelmann's daisy
**[[Engleria]]* O.Hoffm. 
**[[Enydra]]* Lour - swampwort
**[[Epaltes]]* Cass.
**[[Epilasia]]* (Bunge) Benth.
**[[Episcothamnus]]* H.Rob.
**[[Epitriche]]* Turcz.
**[[Erato (genus)|Erato]]* DC. 
**[[Erechtites]]* Raf  - burnweed
**[[Eremanthus]]* Less
**[[Eremosis]]* (DC.) Gleason
**[[Eremothamnus]]* O.Hoffm.
**[[Eriachaenium]]* Sch.Bip. 
**[[Ericameria]]* Nutt. - goldenbush, heath goldenrod
**[[Ericentrodea]]* S.F.Blake & Sherff 
**[[Erigeron]]* L. - daisy, fleabane
**[[Eriocephalus]]* L.
**[[Eriochlamys]]* Sond. & F.Muell. 
**[[Eriophyllum]]* Lag. - woolly sunflower
**[[Eriotrix]]* Cass.
**[[Erlangea]]* Sch.Bip.
**[[Erodiophyllum]]* F.Muell.
**[[Erymophyllum]]* Paul G.Wilson
**[[Eryngiophyllum]]* Greenm.
**[[Erythradenia]]* (B.L.Rob.) R.M.King & H.Rob.
**[[Erythrocephalum]]* Benth.
**[[Espejoa]]* DC. 
**[[Espeletia]]* Mutis ex Humb. & Bonpl. - frailejones, Venezuela, Colombia, Ecuador.
**[[Espeletiopsis]]* Cuatrec.
**[[Ethulia]]* L.f
**[[Eucephalus]]* - Cascade Aster, eucephalus (?)
**[[Euchiton]]* Cass. - cudweed
**[[Eumorphia]]* DC
**[[Eupatoriastrum]]* Greenm.
**[[Eupatorina]]* R.M.King & H.Rob.
**[[Eupatoriopsis]]* Hieron. 
**[[Eupatorium]]* L. - Joe-Pye weed, thoroughwort, snakeweed
**[[Euphrosyne (genus)|Euphrosyne]]* DC
**[[Eurybia (genus)|Eurybia]]* - Nees aster (?)
**[[Eurydochus]]* Maguire & Wurdack 
**[[Euryops]]* (Cass.) Cass.
**[[Eutetras]]* A.Gray 
**[[Euthamia]]* (Nutt.) Elliott  - goldentop
**[[Evacidium]]* Pomel 
**[[Evax]]* - pygmy cudweed (synonym of *[[Filago]]* L.)
**[[Ewartia]]* Beauverd
**[[Ewartiothamnus]]* Anderb.
**[[Exomiocarpon]]* Lawalree

## F
**[[Faberia]]* Hemsl.
**[[Facelis]]* Hemsl. - trampweed
**[[Farfugium]]* Lindl.
**[[Faujasia]]* Cass.
**[[Faxonia]]* Brandegee
**[[Feddea]]* Urb.
**[[Feldstonia]]* P.S.Short
**[[Felicia (plant)|Felicia]]* Cass. 
**[[Fenixia]]* Merr.
**[[Ferreyranthus]]* H.Rob. & Brettell
**[[Ferreyrella]]* S.F.Blake 
**[[Filago (genus)|Filago]]* L. - cottonrose
**[[Filifolium]]* Kitam. 
**[[Fitchia]]* Hook.f.
**[[Fitzwillia]]* P.S.Short 
**[[Flaveria]]*Juss. - yellowtops
**[[Fleischmannia]]* Sch.Bip.  - thoroughwort
**[[Fleischmanniopsis]]* R.M.King & H.Rob. 
**[[Florestina]]* Cass.
**[[Floscaldasia]]* Cuatrec.
**[[Flosmutisia]]* Cuatrec.
**[[Flourensia]]* DC - tarwort
**[[Flyriella]]* R.M.King & H.Rob. - brickellbush
**[[Formania]]* W.W.Sm. & Small
**[[Foveolina]]* Kallersjo 
**[[Fulcaldea]]* Poir. 

## G
**[[Gaillardia]]* Foug.  - blanketflower
**[[Galactites]]* Moench 
**[[Galeana (plant)|Galeana]]* La Llave
**[[Galeomma]]* Rauschert 
**[[Galinsoga]]* Ruiz & Pav.  - gallant-soldier
**[[Gamochaeta]]* Wedd. - everlasting
**[[Gamochaetopsis]]* Anderb. & Freire 
**[[Garberia]]* A.Gray 
**[[Garcibarrigoa]]* Cuatrec.
**[[Garcilassa]]* Poepp.
**[[Gardnerina]]* R.M.King & H.Rob.
**[[Garuleum]]* Cass. 
**[[Gazania]]* Gaertn. 
**[[Geigeria]]* Griess.
**[[Geissolepis]]* B.L.Rob.
**[[Geissopappus]]* Benth. 
**[[Geraea]]* Torr. & A.Gray  - desert sunflower
**[[Gerbera]]* L. - Gerbera or Transvaal daisy
**[[Geropogon]]* L.
**[[Gibbaria]]* Cass.
**[[Gilberta]]* Turcz.
**[[Gilruthia]]* Ewart
**[[Gladiopappus]]* Humbert 
**[[Glossarion]]* Maguire & Wurdack
**[[Glossocardia]]* Cass.
**[[Glossopappus]]* Kunze
**[[Glyptopleura]]* Eaton 
**[[Gnaphaliothamnus]]* Kirp. 
**[[Gnaphalium]]* L. - cudweed
**[[Gnephosis]]* Cass. 
**[[Gochnatia]]*  Kunth 
**[[Goldmanella]]* Greenm.
**[[Gongrostylus]]* R.M.King & H.Rob.
**[[Gongylolepis]]* R.H.Schomb.
**[[Goniocaulon]]* Cass.
**[[Gonospermum]]* Less.
**[[Gorceixia]]* Baker
**[[Gorteria]]* L.
**[[Gossweilera]]* S.Moore
**[[Goyazianthus]]* R.M.King & H.Rob.
**[[Grangea]]* Adans.
**[[Grangeopsis]]* Humbert 
**[[Graphistylis]]* B.Nord.
**[[Gratwickia]]* F.Muell.
**[[Grauanthus]]* Fayed
**[[Grazielia]]* R.M.King & H.Rob. 
**[[Greenmaniella]]* W.M.Sharp
**[[Grindelia]]* Willd. - gumweed
**[[Grisebachianthus]]* R.M.King & H.Rob.
**[[Grosvenoria]]* R.M.King & H.Rob. 
**[[Guardiola]]* Cerv. ex Humb. & Bonpl.
**[[Guayania]]* R.M.King & H.Rob.
**[[Guevaria]]* R.M.King & H.Rob. 
**[[Guizotia]]* Cass. 
**[[Gundelia]]* L.
**[[Gundlachia]]* A.Gray 
**[[Gutenbergia]]* Sch.Bip. 
**[[Gutierrezia]]* Lag. - snakeweed
**[[Gymnarrhena]]* Desf.
**[[Gymnocondylus]]* R.M.King & H.Rob.
**[[Gymnocoronis]]* DC.
**[[Gymnodiscus]]* Less.
**[[Gymnolaena]]* (DC.) Rydb. 
**[[Gymnosperma]]* Benth.
**[[Gymnostephium]]* Less. 
**[[Gymnostyles]]* - burrweed (synonym of *[[Soliva]]* Ruiz & Pav.)
**[[Gynoxys]]* Cass. 
**[[Gynura]]* Cass.
**[[Gypothamnium]]* Phil.
**[[Gyptidium]]* R.M.King & H.Rob.
**[[Gyptis]]* (Cass.) Cass.
**[[Gyrodoma]]* Wild 

## H
**[[Haastia]]* Hook.f.
**[[Haeckeria]]* F.Muell.
**[[Haegiela]]* P.S.Short
**[[Handelia]]* Heimerl
**[[Haplocalymma]]* S.F.Blake 
**[[Haplocarpha]]* Less. - onefruit
**[[Haploesthes]]* A.Gray - false broomweed
**[[Haplopappus]]* Cass.
**[[Haplostephium]]* Mart. ex DC. 
**[[Harleya]]* S.F.Blake
**[[Harnackia]]* Urb. 
**[[Hartwrightia]]* A.Gray ex S.Watson
**[[Hasteola]]* Raf. - false Indian plantain
**[[Hatschbachiella]]* R.M.King & H.Rob. 
**[[Hazardia]]* Greene - bristleweed
**[[Hebeclinium]]* DC- thoroughwort
**[[Hecastocleis]]* A.Gray 
**[[Hedypnois]]* Mill.
**[[Helenium]]* L.- sneezeweed
**[[Helianthella]]* Torr. & A.Gray 
**[[Helianthopsis]]* H.Rob. 
**[[Helianthus]]* L. - sunflowers
**[[Helichrysopsis]]* Kirp. 
**[[strawflower|Helichrysum]]* Mill. - strawflower,everlasting
**[[Heliocauta]]* Humphries 
**[[Heliomeris]]* Nutt. - false goldeneye
**[[Heliopsis]]* Pers.
**[[Helminthia]]* (synonym of *[[Picris]]* L.)
**[[Helminthotheca]]* (*obsolete*)
**[[Helogyne]]* Nutt.
**[[Hemisteptia]]* Fisch. & C.A.Mey. 
**[[Hemizonia]]* DC - tarweed
**[[Henricksonia]]* B.L.Turner
**[[Heptanthus]]* Griseb.
**[[Herderia]]* Cass.
**[[Herodotia]]* Urb. & Ekman 
**[[Herrickia]]* (synonym of *Aster* L.)
**[[Hesperevax]]* - dwarf-cudweed (?)
**[[Hesperodoria]]* - glowweed (?)
**[[Hesperomannia]]* A.Gray - island-aster
**[[Heteracia]]* Fisch. & C.A.Mey.
**[[Heteranthemis]]* Schott  - oxeye
**[[Heterocoma]]* DC.
**[[Heterocondylus]]* R.M.King & H.Rob.
**[[Heterocypsela]]* H.Rob.
**[[Heteroderis]]* (Bunge) Boiss.
**[[Heterolepis]]* Cass.
**[[Heteromera]]* Pomel
**[[Heteromma]]* Benth.
**[[Heteropappus]]* Less.
**[[Heteroplexis]]* C.C.Chang
**[[Heterorhachis]]* Sch.Bip. ex Walp. 
**[[Heterosperma]]* Cav.
**[[Heterothalamus]]* Less. 
**[[Heterotheca]]* Cass. - false goldenaster, telegraph plant
**[[Hidalgoa]]* La Llave 
**[[hawkweed|Hieracium]]* L. - hawkweed
**[[Hilliardia]]* B.Nord.
**[[Hinterhubera]]* Sch.Bip. ex Wedd.
**[[Hippia]]* L.
**[[Hippolytia]]* Poljakov
**[[Hirpicium]]* Cass. 
**[[Hispidella]]* Barnadez ex Lam. 
**[[Hoehnephytum]]* Cabrera
**[[Hoffmanniella]]* Schltr. ex Lawalree 
**[[Hofmeisteria]]* Walp.
**[[Holocarpha]]* Greene - tarweed
**[[Holocheilus]]* Cass.
**[[Hololeion]]* Kitam
**[[Holozonia]]* Greene
**[[Homogyne]]* Cass.
**[[Hoplophyllum]]* DC.
**[[Huarpea]]* Cabrera
**[[Hubertia]]* Bory
**[[Hughesia]]* R.M.King & H.Rob. 
**[[Hulsea]]* Torr. & A.Gray - alpinegold
**[[Humeocline]]* Anderb.
**[[Hyalis]]* D.Don ex Hook. & Arn.
**[[Hyalochaete]]* Dittrich & Rech.f.
**[[Hyalochlamys]]* A.Gray
**[[Hyaloseris]]* Griseb.
**[[Hyalosperma]]* Steetz
**[[Hybridella]]* Cass.
**[[Hydrodyssodia]]* B.L.Turner
**[[Hydroidea]]* P.O.Karis
**[[Hydropectis]]* Rydb. 
**[[Hymenocephalus]]* Jaub. & Spach 
**[[Hymenoclea]]* Torr. & A.Gray  - burrobrush, burrobush
**[[Hymenolepis]]* Cass.
**[[Hymenonema]]* Cass. 
**[[Hymenopappus]]*  L'Her
**[[Hymenostemma]]* Kunze ex Willk.
**[[Hymenostephium]]* Benth. 
**[[Hymenothrix]]* A.Gray  - thimblehead
**[[Hymenoxys]]* Cass. - rubberweed
**[[Hyoseris]]* L.
**[[Hypacanthium]]* Juz.
**[[Hypelichrysum]]* Kirp.
**[[Hypericophyllum]]* Steetz 
**[[Hypochaeris]]* L. - catsear
**[[Hysterionica]]* Willd.
**[[Hystrichophora]]* Mattf.

## I
**[[Ichthyothere]]* Mart.
**[[Idiothamnus]]* R.M.King & H.Rob.
**[[Ifloga]]* Cass.
**[[Ighermia]]* Wiklund
**[[Iltisia]]* S.F.Blake
**[[Imeria]]* R.M.King & H.Rob.
**[[Inezia]]* E.Phillips 
**[[Inula]]* L. - yellowhead
**[[Inulanthera]]* Kallersjo 
**[[Ionactis]]* - Stiff-leaved Asters (?.)
**[[Iocenes]]* B.Nord.
**[[Iodocephalus]]* Thorel ex Gagnep.
**[[Iogeton]]* Strother
**[[Iostephane]]* Benth.
**[[Iphiona]]* Cass.
**[[Iphionopsis]]* Anderb.
**[[Iranecio]]* B.Nord.
**[[Irwinia]]* Barroso
**[[Ischnea]]* F.Muell. 
**[[Isocarpha]]* R.Br.  - pearlhead
**[[Isocoma]]* Nutt. - goldenbush, jimmyweed
**[[Isoetopsis]]* Turcz.
**[[Isopappus]]* Torr. & A.Gray
**[[Isostigma]]* Less. 
**[[Iva (genus)|Iva]]* L. - marshelder, sumpweed
**[[Ixeridium]]* (A.Gray) Tzvelev 
**[[Ixeris]]*  (Cass.) Cass. 
**[[Ixiochlamys]]* F.Muell. & Sond.
**[[Ixiolaena]]* Benth.
**[[Ixodia]]* R.Br.

## J
**[[Jacmaia]]* B.Nord.
**[[Jaegeria]]* Kunth
**[[Jalcophila]]* Dillon & Sagast.
**[[Jaliscoa]]* S.Watson 
**[[Jamesianthus]]* S.F.Blake & Sherff 
**[[Jaramilloa]]* R.M.King & H.Rob.
**[[Jasonia]]* (Cass.) Cass. 
**[[Jaumea]]* Pers. 
**[[Jefea]]* Strother
**[[Jeffreya]]* Wild 
**[[Jungia]]* L.f.
**[[Jurinea]]* Cass.

## K
**[[Kalimeris]]* (Cass.) Cass.  - aster
**[[Karelinia]]* Less.
**[[Karvandarina]]* Rech.f.
**[[Kaschgaria]]* Poljakov
**[[Kaunia]]* R.M.King & H.Rob. 
**[[Keysseria]]* Lauterb. 
**[[Kinghamia]]* C.Jeffrey
**[[Kingianthus]]* H.Rob.
**[[Kippistia]]* F.Muell.
**[[Kirkianella]]* Allan 
**[[Kleinia]]* Mill. 
**[[Koanophyllon]]* Arruda  - thoroughwort
**[[Koehneola]]* Urb.
**[[Koelpinia]]* Pall. 
**[[Koyamacalia]]* (?)
**[[Krigia]]* Schreb - dwarf dandelion
**[[Kyrsteniopsis]]* R.M.King & H.Rob

## L
**[[Lachanodes]]* DC.
**[[Lachnophyllum]]* Bunge
**[[Lachnorhiza]]* A.Rich.
**[[Lachnospermum]]* Willd. 
**[[Lactuca]]* L. - lettuce
**[[Lactucosonchus]]* (Sch.Bip.) Svent. 
**[[Laennecia]]* Cass. - laennecia, laennicia
**[[Laestadia]]* Kunth ex Less. 
**[[Lagascea]]* Cav.
**[[Lageniphora]]* Cass. - island-daisy
**[[Laggera]]* Sch.Bip. ex Benth. 
**[[Lagophylla]]* Nutt. - hareleaf
**[[Lamprachaenium]]* Benth.
**[[Lamprocephalus]]* B.Nord.
**[[Lamyropappus]]* Knorring & Tamamsch.
**[[Lamyropsis]]* (Kharadze) Dittrich 
**[[Langebergia]]* Anderb.
**[[Lantanopsis]]* C.Wright 
**[[Lapsana]]* L. - nipplewort
**[[Lapsanastrum]]* - nipplewort (?)
**[[Lasianthaea]]* DC
**[[Lasiocephalus]]* Schltdl. 
**[[Lasiolaena]]* R.M.King & H.Rob.
**[[Lasiopogon]]* Cass. 
**[[Lasiospermum]]* Lag. - cocoonhead
**[[Lasthenia]]*Cass. - goldfields
**[[Launaea]]* Cass.
**[[Lawrencella]]* Lindl. 
**[[Layia]]* Hook. & Arn. ex DC - tidytips
**[[Lecocarpus]]* Decne. 
**[[Leibnitzia]]* Cass. - sunbonnets
**[[Leiboldia]]* Schltdl. ex Gleason 
**[[Lembertia]]* Greene 
**[[Lemooria]]* P.S.Short 
**[[hawkbit|Leontodon]]* - hawkbit
**[[Leontopodium]]* L. - edelweiss
**[[Leontopodium]]* (Pers.) R.Br. ex Cass.
**[[Lepidesmia]]* Klatt
**[[Lepidolopha]]* C.Winkl.
**[[Lepidolopsis]]* Poljakov
**[[Lepidonia]]* S.F.Blake
**[[Lepidophorum]]* Neck. ex DC.
**[[Lepidophyllum]]* Cass. 
**[[Lepidospartum]]* (A.Gray) A.Gray - broomsage
**[[Lepidostephium]]* Oliv.
**[[Leptinella]]* Cass.
**[[Leptocarpha]]* DC.
**[[Leptoclinium]]* (Nutt.) Benth. 
**[[Leptorhynchos]]* Less. - scaly button
**[[Leptotriche]]* Turcz.
**[[Lescaillea]]* Griseb. 
**[[Lessingia]]* Cham. - vinegarweed
**[[Leucactinia]]* Rydb. 
**[[Leucanthemella]]* Tzvelev 
**[[Leucanthemopsis]]* (Giroux) Heywood 
**[[Leucanthemum]]* Mill. - daisy, Oxeye daisy
**[[Leucheria]]* Lag. 
**[[Leucochrysum]]* - sunray (?)
**[[Leucopsis]]* (DC.) Baker
**[[Leucoptera]]* B.Nord
**[[Leunisia]]* Phil.
**[[Leuzea]]* DC. 
**[[Leysera]]* L. 
**[[Liabum]]* Adans. 
**[[Liatris]]* Liabum Adans. - blazing star, gay feather
**[[Libanothamnus]]* Ernst
**[[Lidbeckia]]* Bergius
**[[Lifago]]* Schweinf. & Muschl.
**[[Ligularia]]* Cass.
**[[Limbarda]]* Adans. 
**[[Lindheimera]]* A.Gray & Engelm. 
**[[Lipochaeta]]* DC - nehe
**[[Lipskyella]]* Juz.
**[[Litothamnus]]* R.M.King & H.Rob. 
**[[Litrisa]]* Small
**[[Llerasia]]* Triana 
**[[Logfia]]* Cass. - cottonrose
**[[Lomatozona]]* Baker
**[[Lonas]]* Adans.
**[[Lopholaena]]* DC.
**[[Lophopappus]]* Rusby
**[[Lordhowea]]* B.Nord.
**[[Lorentzianthus]]* R.M.King & H.Rob.
**[[Loricaria]]* Wedd.
**[[Lourteigia]]* R.M.King & H.Rob.
**[[Loxothysanus]]* B.L.Rob.
**[[Lucilia]]* Cass.
**[[Luciliocline]]* Anderb. & Freire 
**[[Lugoa]]* DC. 
**[[Luina]]* Benth.  - silverback
**[[Lulia]]* Zardini
**[[Lundellianthus]]* H.Rob.
**[[Lycapsus]]* Phil.
**[[Lychnophora]]* Mart.
**[[Lycoseris]]* Cass. 
**[[Lygodesmia]]* D.Don  - skeleton weed

## M
**[[Macdougalia]]* A.Heller 
**[[Machaeranthera]]* Nees  - goldenweed, tansyaster
**[[Macowania]]* Oliv.
**[[Macrachaenium]]* Hook.f.
**[[Macraea]]* Hook.f.
**[[Macroclinidium]]* Maxim.
**[[Macronema]]* Nutt. =  Ericameria Nutt.
**[[Macropodina]]* R.M.King & H.Rob.
**[[Macvaughiella]]* R.M.King & H.Rob. 
**[[Madia]]*  Molina - tarweed
**[[Mairia]]* Nees 
**[[Malacothrix]]* DC - desert dandelion
**[[Malmeanthus]]* R.M.King & H.Rob. 
**[[Malperia]]* S.Watson 
**[[Mantisalca]]* Cass. 
**[[Marasmodes]]* DC. 
**[[Marshallia]]* Schreb. - Barbara's buttons
**[[Marshalljohnstonia]]* Henr.
**[[Marticorenia]]* Crisci
**[[mayweed|Matricaria]]* L. - mayweed
**[[Mattfeldanthus]]* H.Rob. & R.M.King
**[[Mattfeldia]]* Urb.
**[[Matudina]]* R.M.King & H.Rob.
**[[Mausolea (genus)|Mausolea]]* Poljakov
**[[Mecomischus]]* Coss. ex Benth. 
**[[Megalodonta]]* Greene - watermarigold
**[[Melampodium]]* L. - blackfoot
**[[Melanodendron]]* DC. 
**[[Melanthera]]* Rohr  - squarestem
**[[Metalasia]]* R.Br.
**[[Metastevia]]* Grashoff
**[[Mexerion]]* G.L.Nesom
**[[Mexianthus]]* B.L.Rob.
**[[Micractis]]* DC.
**[[Microcephala]]* Pobed. 
**[[Microglossa]]* DC.
**[[Microgynella]]* Grau 
**[[Microliabum]]* Cabrera 
**[[Micropus]]* L. - cottonseed
**[[Microseris]]* D.Don  - silverpuffs, yam daisy
**[[Microspermum]]* Lag. 
**[[Mikania]]* Willd. - hempvine
**[[Mikaniopsis]]* Milne-Redh.
**[[Milleria]]* L.
**[[Millotia]]* Cass. 
**[[Minuria]]* DC.
**[[Miricacalia]]* Kitam. 
**[[Mniodes]]* (A.Gray) Benth. 
**[[Monactis]]* Kunth
**[[Monarrhenus]]* Cass.
**[[Monenteles]]* Labill.
**[[Monogereion]]* G.M.Barroso & R.M.King 
**[[Monolopia]]* DC
**[[Monopholis]]* S.F.Blake 
**[[Monoptilon]]* Torr. & A.Gray - desertstar
**[[Montanoa]]* Cerv. 
**[[Moonia]]* Arn.
**[[Moquinia]]* DC.
**[[Morithamnus]]* R.M.King, H.Rob. & G.M.Barroso
**[[Moscharia]]* Ruiz & Pav.
**[[Msuata]]* O.Hoffm.
**[[Mulgedium]]* Cass.
**[[Munnozia]]* Ruiz & Pav.
**[[Munzothamnus]]* Raven
**[[Muschleria]]* S.Moore 
**[[Mutisia]]* L.f. 
**[[Mycelis]]* cass.
**[[Myopordon]]* Boiss.
**[[Myriactis]]* Less.
**[[Myriocephalus]]* Benth.
**[[Myripnois]]* Bunge
**[[Myxopappus]]* Kallersjo 

## N
**[[Nabalus]]* Cass. 
**[[Nananthea]]* DC.
**[[Nannoglottis]]* Maxim.
**[[Nanothamnus]]* Thomson
**[[Nardophyllum]]* (Hook. & Arn.) Hook. & Arn.
**[[Narvalina]]* Cass.
**[[Nassauvia]]* Comm. ex Juss.
**[[Nauplius (plant)|Nauplius]]* (Cass.) Cass.
**[[Neblinaea]]* Maguire & Wurdack
**[[Nelsonianthus]]* H.Rob. & Brettell
**[[Nemosenecio]]* (Kitam.) B.Nord. 
**[[Neocabreria]]* R.M.King & H.Rob.
**[[Neocuatrecasia]]* R.M.King & H.Rob.
**[[Neohintonia]]* R.M.King & H.Rob.
**[[Neojeffreya]]* Cabrera
**[[Neomirandea]]* R.M.King & H.Rob.
**[[Neopallasia]]* Poljakov 
**[[Neotysonia]]* Dalla Torre & Harms 
**[[Neurolaena]]* R.Br. 
**[[Neurolakis]]* Mattf.
**[[Nicolasia]]* S.Moore 
**[[Nicolletia]]* A.Gray  - hole-in-the-sand
**[[Nidorella]]* Cass.
**[[Nikitinia]]* Iljin
**[[Nipponanthemum]]* (Kitam.) Kitam.
**[[Nolletia]]* Cass.
**[[Nothobaccharis]]* R.M.King & H.Rob. 
**[[Nothocalais]]* Greene - prairie-dandelion
**[[Noticastrum]]* DC. 
**[[Notobasis]]* (Cass.) Cass. - Syrian thistle
**[[Notoptera]]* Urb.
**[[Notoseris]]* C.Shih
**[[Nouelia]]* Franch.
**[[Novenia]]* Freire 

## O
**[[Oaxacania]]* B.L.Rob. & Greenm.
**[[Oblivia]]* Strother
**[[Ochrocephala]]* Dittrich 
**[[Oclemena]]* - aster (synonym of *[[Aster (flower)|Aster]]* L.)
**[[Odixia]]* Orchard
**[[Odontocline]]* B.Nord. 
**[[Odixia]]* Orchard
**[[Odontocline]]* B.Nord. 
**[[Olearia]]* Moench - daisy bush
**[[Olgaea]]* Iljin
**[[Oligactis]]* (Kunth) Cass. 
**[[Oliganthes]]* Cass. 
**[[Oligochaeta (plant)|Oligochaeta]]* (DC.) K.Koch 
**[[Oligoneuron]]* - goldenrod (?)
**[[Oligothrix]]* DC.
**[[Olivaea]]* Sch.Bip. ex Benth. 
**[[Omalotheca]]* Cass. - arctic cudweed
**[[Omphalopappus]]* O.Hoffm. 
**[[Oncosiphon]]* Kallersjo 
**[[Ondetia]]* Benth. 
**[[Onopordum]]* L. - Cotton thistle
**[[Onoseris]]* Willd. 
**[[Oonopsis]]* (Nutt.) Greene - false goldenweed
**[[Oparanthus]]* Sherff
**[[Ophryosporus]]* Meyen
**[[Opisthopappus]]* C.Shih 
**[[Oreochrysum]]* Rydb. - goldenrod
**[[Oreoleysera]]* Bremer 
**[[Oreostemma]]* - aster (synonym of *[[Aster (flower)|Aster]]* L.)
**[[Oritrophium]]* (Kunth) Cuatrec. 
**[[Orochaenactis]]* Coville 
**[[Osbertia]]* Greene 
**[[Osmadenia]]* (?)
**[[Osmiopsis]]* R.M.King & H.Rob.
**[[Osmitopsis]]* Cass.
**[[Osteospermum]]* L. - daisybush
**[[Otanthus]]* Hoffmanns. & Link
**[[Oteiza (genus)|Oteiza]]* La Llave
**[[Othonna]]* L.
**[[Otopappus]]* Benth.
**[[Otospermum]]* Willk.
**[[Outreya]]* Jaub. & Spach
**[[Oxycarpha]]* S.F.Blake
**[[Oxylaena]]* Benth. ex Anderb.
**[[Oxylobus]]* (Moq. ex DC.) A.Gray
**[[Oxypappus]]* Benth.
**[[Oxyphyllum]]* Phil. 
**[[Oyedaea]]* DC. 
**[[Ozothamnus]]* R.Br.

## P
**[[Pachylaena]]* D.Don ex Hook. & Arn. 
**[[Pachythamnus]]* (R.M.King & H.Rob.) R.M.King & H.Rob. 
**[[Packera]]* A.Love & D.Love  - (includes some plants formerly *[[Senecio]]*)
**[[Pacourina]]* Aubl.
**[[Palaeocyanus]]* Dostal 
**[[Palafoxia]]* Lag. - palafox
**[[Paleaepappus]]* Cabrera 
**[[Pallenis]]* (synonym of *[[Asteriscus (genus)]]* Mill.)
**[[Pamphalea]]* Lag. 
**[[Pappobolus]]* S.F.Blake
**[[Papuacalia]]* Veldkamp
**[[Paracalia]]* Cuatrec.
**[[Paragynoxys]]* (Cuatrec.) Cuatrec.
**[[Paraixeris]]* Nakai 
**[[Paranephelius]]* Poepp. 
**[[Parantennaria]]* Beauverd 
**[[Parapiqueria]]* R.M.King & H.Rob.
**[[Paraprenanthes]]* C.C.Chang ex C.Shih 
**[[Parasenecio]]*  W.W.Sm. & Small - Indian plantain
**[[Parastrephia]]* Nutt. 
**[[Parthenice]]* A.Gray 
**[[Parthenium]]* L. - feverfew, guayule
**[[Pasaccardoa]]* Kuntze 
**[[Pascalia]]* (synonym of *[[Wedelia]]* Jacq.)
**[[Pechuel-Loeschea]]* O.Hoffm.
**[[Pectis]]* L. - cinchweed, fetid marigold
**[[Pegolettia]]* Cass.
**[[Pelucha]]* S.Watson
**[[Pentacalia]]* Cass. 
**[[Pentachaeta]]* Nutt. - pygmy daisy 
**[[Pentanema]]* Cass.
**[[Pentatrichia]]* Klatt 
**[[Pentzia]]* Thunb.
**[[Perdicium]]* L. 
**[[Perezia]]* Lag.
**[[Pericallis]]* D.Don - includes Florist's Cineraria
**[[Pericome]]* A.Gray 
**[[Perityle]]* Benth. - rock daisy
**[[Perralderia]]* Coss. 
**[[Pertya]]* Sch.Bip.
**[[Perymeniopsis]]* H.Rob.
**[[Perymenium]]* Schrad.
**[[Petalacte]]* D.Don
**[[butterbur|Petasites]]* Mill. - butterbur
**[[Peteravenia]]* R.M.King & H.Rob. 
**[[Petradoria]]* Greene  - rock goldenrod
**[[Petrobium]]* R.Br. 
**[[Peucephyllum]]* A.Gray
**[[Peyrousea]]* DC.
**[[Phacellothrix]]* F.Muell.
**[[Phaenocoma]]* D.Don 
**[[Phaeostigma]]* Muldashev
**[[Phagnalon]]* Cass.
**[[Phalacrachena]]* Iljin
**[[Phalacraea]]* DC.
**[[Phalacrocarpum]]* (DC.) Willk. 
**[[Phalacroseris]]*  A.Gray - mock dandelion
**[[Phaneroglossa]]* B.Nord.
**[[Phanerostylis]]* (A.Gray) R.M.King & H.Rob.
**[[Phania]]* DC.
**[[Philactis]]* Schrad.
**[[Philoglossa]]* DC.
**[[Philyrophyllum]]* O.Hoffm. 
**[[Phoebanthus]]* S.F.Blake - false sunflower
**[[Phyllocephalum]]* Blume
**[[Phymaspermum]]* Less.
**[[Picnomon]]* Adans.
**[[Picradeniopsis]]* - bahia (synonym of *[[Bahia (plant)|Bahia]]* Lag.)
**[[Picris]]* L. - oxtongue
**[[Picrosia]]* D.Don 
**[[Picrothamnus]]* Nutt. - bud sagebrush
**[[Pilosella]]* Hill 
**[[Pilostemon]]* Iljin 
**[[Pinaropappus]]*  Less. - rock lettuce
**[[Piora]]* J.Kost.
**[[Pippenalia]]* McVaugh 
**[[Piptocarpha]]* R.Br.- ash daisy
**[[Piptocoma]]*  Cass. - velvetshrub
**[[Piptolepis]]* Sch.Bip.
**[[Piptothrix]]* A.Gray
**[[Piqueria]]* Cav.
**[[Piqueriella]]* R.M.King & H.Rob.
**[[Piqueriopsis]]* R.M.King
**[[Pithecoseris]]* Mart. ex DC.
**[[Pithocarpa]]* Lindl.
**[[Pittocaulon]]* H.Rob. & Brettell 
**[[Pityopsis]]* Nutt. - silkgrass
**[[Pladaroxylon]]* (Endl.) Hook.f.
**[[Plagiobasis]]* Schrenk
**[[Plagiocheilus]]* Arn. ex DC.
**[[Plagiolophus]]* Greenm.
**[[Plagius]]* L'Her. ex DC.
**[[Planaltoa]]* Taub.
**[[Planea]]* P.O.Karis
**[[Plateilema]]* (A.Gray) Cockerell
**[[Platycarpha]]* Less. 
**[[Platypodanthera]]* R.M.King & H.Rob. 
**[[Platyschkuhria]]* (A.Gray) Rydb. - basin daisy
**[[Plazia]]* Ruiz & Pav.
**[[Plecostachys]]* Hilliard & B.L.Burtt
**[[Plectocephalus]]* D.Don
**[[Pleiotaxis]]* Steetz 
**[[Pleurocarpaea]]* Benth. 
**[[Pleurocoronis]]*  Pleurocarpaea Benth. 
**[[Pleuropappus]]* F.Muell.
**[[Pleurophyllum]]* Hook.f. 
**[[Pluchea]]* Cass. - camphorweed, fleabane
**[[Plummera]]* A.Gray
**[[Podachaenium]]* Benth. ex Oerst.
**[[Podanthus]]* Lag. 
**[[Podocoma]]* Cass. 
**[[Podolepis]]* Labill.
**[[Podotheca]]* Cass.
**[[Poecilolepis]]* Grau
**[[Pogonolepis]]* Steetz
**[[Pojarkovia]]* Askerova
**[[Pollalesta]]* Kunth
**[[Polyachyrus]]* Lag.
**[[Polyanthina]]* R.M.King & H.Rob.
**[[Polyarrhena]]* Cass.
**[[Polycalymma]]* F.Muell. & Sond.
**[[Polychrysum]]* (Tzvelev) Kovalevsk. 
**[[Polymnia (genus)|Polymnia]]* L.
**[[Porophyllum]]* Adans.  - poreleaf
**[[Porphyrostemma]]* Benth. ex Oliv. 
**[[Praxeliopsis]]* G.M.Barroso
**[[Praxelis]]* Cass. 
**[[Prenanthella]]* Rydb. 
**[[Prenanthes]]* L. - rattlesnakeroot
**[[Printzia]]* Cass. 
**[[Prionopsis]]* Nutt.
**[[Prolobus]]* R.M.King & H.Rob.
**[[Prolongoa]]* Boiss.
**[[Proteopsis]]* Mart. & Zucc. ex Sch.Bip. 
**[[Proustia]]* Lag. 
**[[Psacaliopsis]]* H.Rob. & Brettell 
**[[Psacalium]]* Cass. - Indianbush
**[[Psathyrotes]]* A.Gray - turtleback, i.e. turtleback (plant)
**[[Pseudelephantopus]]* - dog's-tongue (synonym of *[[Elephantopus]]* L.)
**[[Pseudobaccharis]]* Cabrera 
**[[Pseudobahia]]*  (A.Gray) Rydb. - sunburst
**[[Pseudoblepharispermum]]* J.-P.Lebrun & Stork
**[[Pseudobrickellia]]* R.M.King & H.Rob.
**[[Pseudocadiscus]]* Lisowski 
**[[Pseudoclappia]]* Rydb.  - false clapdaisy
**[[Pseudognaphalium]]* Kirp.  - false cudweed, cudweed
**[[Pseudogynoxys]]* (Greenm.) Cabrera 
**[[Pseudohandelia]]* Tzvelev 
**[[Pseudokyrsteniopsis]]* R.M.King & H.Rob.
**[[Pseudonoseris]]* H.Rob. & Brettell
**[[Pseudostifftia]]* H.Rob.
**[[Psiadia]]* Jacq.
**[[Psiadiella]]* Humbert 
**[[Psilactis]]* A.Gray - tansyaster
**[[Psilocarphus]]* Nutt. - woollyheads
**[[Psilostrophe]]* DC - paperflower
**[[Psychrogeton]]* Boiss.
**[[Psychrophyton]]* Beauverd
**[[Pterachenia]]* (Benth.) Lipsch.
**[[Pterocaulon]]* Elliott - blackroot
**[[Pterocaulon]]* Elliott
**[[Pterocypsela]]* C.Shih
**[[Pteronia]]* L.
**[[Pterothrix]]* DC.
**[[Pterygopappus]]* Hook.f. 
**[[Ptilostemon]]* Cass.
**[[Pulicaria]]* Gaertn. - false fleabane
**[[Pycnocephalum]]* (Less.) DC. 
**[[Pyrrhopappus]]* DC - desert chicory
**[[Pyrrocoma]]* Hook - goldenweed
**[[Pycnosorus]]* - billy buttons

## Q
**[[Quelchia]]* N.E.Br.
**[[Quinetia]]* Cass.
**[[Quinqueremulus]]* Paul G.Wilson 

## R
**[[Radlkoferotoma]]* Kuntze 
**[[Rafinesquia]]* Nutt. - California chicory
**[[Raillardella]]* - silvermat (?)
**[[Raillardiopsis]]* Rydb. 
**[[Rainiera]]* Greene 
**[[Raoulia]]* Hook.f. ex Raoul
**[[Raouliopsis]]* S.F.Blake
**[[Rastrophyllum]]* Wild & G.V.Pope 
**[[Ratibida]]* Raf. - prairie coneflower
**[[Raulinoreitzia]]* R.M.King & H.Rob. 
**[[Rayjacksonia]]* - tansyaster (?)
**[[Reichardia]]* Roth. - brighteyes
**[[Relhania]]* L'Her. 
**[[Remya]]* W.F.Hillebr. ex Benth. 
**[[Rennera]]* Merxm.
**[[Rensonia]]* S.F.Blake
**[[Revealia]]* R.M.King & H.Rob. 
**[[Rhagadiolus]]* Scop. 
**[[Rhamphogyne]]* S.Moore
**[[Rhanteriopsis]]* Rauschert
**[[Rhanterium]]* Desf. 
**[[Rhodanthe]]* Lindl. - sunray
**[[Rhodogeron]]* Griseb.
**[[Rhynchospermum]]* Reinw. 
**[[Rhysolepis]]* S.F.Blake
**[[Richteria]]* Kar. & Kir.
**[[Riencourtia]]* Cass. 
**[[Rigiopappus]]* A. Gray
**[[Robinsonia]]* DC.
**[[Rochonia]]* DC.
**[[Rojasianthe]]* Standl. & Steyerm
**[[Rolandra]]* Rottb. - yerba de plata
**[[Roldana]]* La Llave - groundsel
**[[Rosenia]]* Thunb. 
**[[Rothmaleria]]* Font Quer 
**[[Rudbeckia]]* L. - coneflower
**[[Rugelia]]* Shuttlew. ex Chapm. - Rugel's Indian plantain
**[[Ruilopezia]]* Cuatrec.
**[[Rumfordia]]* DC.
**[[Russowia]]* C.Winkl. 
**[[Rutidosis]]* DC. 

## S
**[[Sabazia]]* Cass. 
**[[Sachsia]]* Griseb. 
**[[Salmea]]* DC - bejuco de miel
**[[Salmeopsis]]* Benth. 
**[[Santolina]]* L. - lavender cotton
**[[Santosia]]* R.M.King & H.Rob. 
**[[creeping zinnia|Sanvitalia]]* Lam. - creeping zinnia
**[[Sartorina]]* R.M.King & H.Rob. 
**[[Sartwellia]]* A.Gray - glowwort
**[[Saussurea]]* DC - saw-wort
**[[Scalesia]]* Arn.
**[[Scariola]]* F.W.Schmidt 
**[[Scherya]]* R.M.King & H.Rob.
**[[Schischkinia]]* Iljin
**[[Schistocarpha]]* Less.
**[[Schistostephium]]* Less.
**[[Schizogyne]]* Cass.
**[[Schizoptera]]* Turcz.
**[[Schizotrichia]]* Benth. 
**[[Schkuhria]]*  Roth - false threadleaf
**[[Schlechtendalia]]* Less.
**[[Schmalhausenia]]* C.Winkl.
**[[Schoenia]]* Steetz
**[[Schumeria]]* Iljin
**[[Sciadocephala]]* Mattf. 
**[[Sclerocarpus]]* Jacq. - bonebract
**[[Sclerolepis]]* Cass. - bogbutton
**[[Sclerorhachis]]* (Rech.f.) Rech.f.
**[[Sclerostephane]]* Chiov. 
**[[Scolymus]]* L. - golden thistle
**[[Scorzonella]]* Nutt. 
**[[Scorzonera]]* L.
**[[Scrobicaria]]* Cass.
**[[Scyphocoronis]]* A.Gray 
**[[Selleophytum]]* Urb.
**[[Selloa]]* Kunth
**[[Senecio]]* L. - groundsel, ragwort
**[[Sericocarpus]]* Nees  - whitetop aster
**[[Seriphidium]]* (Besser) Poljak. 
**[[Serratula]]* L. - plumeless saw-wort
**[[Shafera]]* Greenm.
**[[Sheareria]]* S.Moore 
**[[Shinnersia]]* R.M.King & H.Rob. 
**[[Shinnersoseris]]* Tomb - beaked skeletonweed
**[[Siebera]]* J.Gay 
**[[Sigesbeckia]]* L. - St. Paul's wort
**[[Siloxerus]]* Labill. 
**[[rosinweed|Silphium]]* L. - rosinweed
**[[milk thistle|Silybum]]* Adans. - milk thistle
**[[Simsia]]* Pers. - bush sunflower
**[[Sinacalia]]* H.Rob. & Brettell
**[[Sinclairia]]* Hook. & Arn.
**[[Sinoleontopodium]]* Y.L.Chen
**[[Sinosenecio]]* B.Nord.
**[[Sipolisia]]* Glaz. ex Oliv. 
**[[Smallanthus]]* Mack
**[[Soaresia]]* Sch.Bip.
**[[Solanecio]]* (Sch.Bip.) Walp.
**[[Solenogyne]]* Cass. 
**[[goldenrod|Solidago]]* L. - goldenrod
**[[Soliva]]* Ruiz & Pav. - burrweed
**[[Sommerfeltia]]* Less. 
**[[Sonchus]]* L. - sow thistle, sowthistle
**[[Sondottia]]* P.S.Short
**[[Soroseris]]* Stebbins
**[[Spaniopappus]]* B.L.Rob. 
**[[Sphaeranthus]]* L.
**[[Sphaereupatorium]]* (O.Hoffm.) Kuntze ex B.L.Rob.
**[[Sphaeroclinium]]* (DC.) Sch.Bip.
**[[Sphaeromeria]]* Nutt. - chickensage
**[[Sphaeromorphaea]]* DC. 
**[[Sphagneticola]]* O.Hoffm.  - creeping-oxeye
**[[Spilanthes acmella|Spilanthes]]* Jacq. - toothache flower
**[[Spiracantha]]* Kunth - dogwoodleaf
**[[Spiroseris]]* Rech.f.
**[[Squamopappus]]* Jansen, Harriman & Urbatsch
**[[Stachycephalum]]* Sch.Bip. ex Benth.
**[[Staehelina]]* L.
**[[Standleyanthus]]* R.M.King & H.Rob.
**[[Stanfieldia]]* Small
**[[Staurochlamys]]* Baker 
**[[Stebbinsoseris]]* K.L.Chambers - silverpuffs
**[[Steiractinia]]* S.F.Blake
**[[Steirodiscus]]* Less. 
**[[Stenachaenium]]* Benth.
**[[Stenocarpha]]* S.F.Blake
**[[Stenocline]]* DC.
**[[Stenopadus]]* S.F.Blake
**[[Stenophalium]]* Anderb.
**[[Stenops]]* B.Nord.
**[[Stenotus]]* Nutt.- mock goldenweed
**[[Stephanochilus]]* Coss. & Durieu ex Maire
**[[Stephanodoria]]* Greene 
**[[Stephanomeria]]* Nutt. - wire lettuce
**[[Steptorhamphus]]* Bunge 
**[[Stevia]]* Cav. - candyleaf
**[[Steviopsis]]* R.M.King & H.Rob.
**[[Steyermarkina]]* R.M.King & H.Rob.
**[[Stifftia]]* J.C.Mikan
**[[Stilpnogyne]]* DC.
**[[Stilpnolepis]]* Krasch.
**[[Stilpnopappus]]* Mart. ex DC. 
**[[Stoebe]]* L. 
**[[Stokesia]]*  L'Her. 
**[[Stomatanthes]]* R.M.King & H.Rob.
**[[Stomatochaeta]]* (S.F.Blake) Maguire & Wurdack
**[[Stramentopappus]]* H.Rob. & V.A.Funk
**[[Streptoglossa]]* Steetz ex F.Muell.
**[[Strotheria]]* B.L.Turner 
**[[Struchium]]* P.Browne 
**[[Stuartina]]* Sond.
**[[Stuckertiella]]* Beauverd
**[[Stuessya]]* B.L.Turner & F.G.Davies 
**[[Stylocline]]* Nutt.- neststraw, woolly fishhooks
**[[Stylotrichium]]* Mattf.
**[[Sventenia]]* Font Quer
**[[Symphyllocarpus]]* Maxim. 
**[[Symphyopappus]]* Turcz. 
**[[Symphyotrichum]]* - aster (?)
**[[Syncalathium]]* Lipsch.
**[[Syncarpha]]* DC.
**[[Syncephalum]]* DC.
**[[Syncretocarpus]]* S.F.Blake 
**[[Synedrella]]* Gaertn. 
**[[Synedrellopsis]]* Hieron. & Kuntze 
**[[Syneilesis]]* Maxim. 
**[[Synosma]]* (synonym of *Hasteola * Raf.)
**[[Synotis]]* (C.B.Clarke) C.Jeffrey & Y.L.Chen 
**[[Syntrichopappus]]* A.Gray - Fremont's gold
**[[Synurus]]* Iljin
**[[Syreitschikovia]]* Pavlov

## T
**[[Tagetes]]* L. - marigold
**[[Tamananthus]]* V.M.Badillo
**[[Tamania]]* Cuatrec. 
**[[Tamaulipa]]* R.M.King & H.Rob. - boneset
**[[Tanacetum]]* L. - tansy, feverfew
**[[Taplinia]]* Lander 
**[[dandelion|Taraxacum]]* Weber ex F.H.Wigg. - dandelion
**[[Tarchonanthus]]* L.
**[[Teixeiranthus]]* R.M.King & H.Rob.
**[[Telanthophora]]* H.Rob. & Brettell 
**[[Telekia]]* Baumg. 
**[[Telmatophila]]* Mart. ex Baker
**[[Tenrhynea]]* Hilliard & B.L.Burtt 
**[[Tephroseris]]* (Rchb.) Rchb. - fleawort
**[[Terana]]* La Llave
**[[Tessaria]]* Ruiz & Pav.
**[[Tetrachyron]]* Schltdl. 
**[[Tetradymia]]* DC - horsebrush
**[[Tetragonotheca]]* L. - nerveray
**[[Tetramolopium]]* Ness
**[[Tetraneuris]]*  Greene - four-nerve daisy
**[[Tetranthus]]* Sw.
**[[Tetraperone]]* Urb.
**[[Thaminophyllum]]* Harv.
**[[Thamnoseris]]* F.Phil. 
**[[Thelesperma]]* Less. - greenthread
**[[Thespidium]]* F.Muell. ex Benth.
**[[Thespis (genus)|Thespis]]* DC.
**[[Thevenotia]]* DC.
**[[Thiseltonia]]* Hemsl
**[[Thurovia]]* (synonym of *[[Gutierrezia]]* Lag.)
**[[Thymophylla]]* Lag. - pricklyleaf
**[[Thymopsis]]* Benth.
**[[Tiarocarpus]]* Rech.f. 
**[[Tietkensia]]* P.S.Short 
**[[Tithonia]]* Desf. ex Juss. 
**[[Tolpis]]* Adans. - umbrella milkwort
**[[Tonestus]]* A.Nelson - serpentweed
**[[Tourneuxia]]* Coss. 
**[[Townsendia]]* Hook. - Townsend daisy
**[[Toxanthes]]* Turcz. 
**[[Tracyina]]* S.F.Blake - Indian headdress
**[[salsify|Tragopogon]]* L. - goat's beard, salsify
**[[Traversia]]* Hook.f.
**[[Trichanthemis]]* Regel & Schmalh.
**[[Trichanthodium]]* Sond. & F.Muell. 
**[[Trichocline]]* Cass. 
**[[Trichocoronis]]* A.Gray - bugheal
**[[Trichocoryne]]* S.F.Blake
**[[Trichogonia]]* (DC.) Gardner
**[[Trichogoniopsis]]* R.M.King & H.Rob.
**[[Trichogyne]]* Less.
**[[Tricholepis]]* DC. 
**[[Trichoptilium]]* A.Gray
**[[Trichospira]]* Kunth
**[[Tridactylina]]* (DC.) Sch.Bip. 
**[[Tridax]]* L.
**[[Trigonospermum]]* Less. 
**[[Trilisa]]* (Cass.) Cass. 
**[[Trimorpha]]* - boreal daisy (?)
**[[Trioncinia]]* (F.Muell.) Veldkamp 
**[[mayweed|Tripleurospermum]]* Sch.Bip. - mayweed
**[[Triplocephalum]]* O.Hoffm. 
**[[Tripolium]]* - sea aster (?)
**[[Triptilion]]* Ruiz & Pav.
**[[Triptilodiscus]]* Turcz. 
**[[Trixis]]*  P.Browne -  American threefold, threefold, American trixis, California trixis
**[[Troglophyton]]* Hilliard & B.L.Burtt 
**[[Tuberostylis]]* Steetz 
**[[Tugarinovia]]* I/trljin
**[[Turaniphytum]]* Poljakov 
**[[coltsfoot|Tussilago]]* L. - coltsfoot
**[[Tuxtla]]* Villasenor & Strother
**[[Tyleropappus]]* Greenm.
**[[Tyrimnus]]* (Cass.) Cass.

## U
**[[Uechtritzia]]* Freyn
**[[Ugamia]]* Pavlov
**[[Uleophytum]]* Hieron.
**[[Unxia]]* L.f.
**[[Urbananthus]]* R.M.King & H.Rob.
**[[Urbinella]]* Greenm.
**[[Urmenetea]]* Phil.
**[[Urolepis]]* (DC.) R.M.King & H.Rob. 
**[[Uropappus]]* Nutt. - silverpuffs
**[[Urospermum]]* Scop.
**[[Ursinia]]* Gaertn.

## V
**[[Vanclevea]]* Greene 
**[[Vanillosmopsis]]* Sch.Bip. 
**[[Varilla]]* A.Gray
**[[Varthemia]]* DC.
**[[Vellereophyton]]* Hilliard & B.L.Burtt 
**[[Venegasia]]* DC
**[[Venidium]]* (synonym of *Arctotis * L.)
**[[crownbeard|Verbesina]]* L. - crownbeard
**[[Vernonia]]* Schreb - "ironweed (plant)"
**[[Vernoniopsis]]* Humbert 
**[[Vieraea]]* Sch.Bip.
**[[Viereckia]]* R.M.King & H.Rob.
**[[Vigethia]]* W.A.Weber 
**[[Viguiera]]* Kunth - goldeneye
**[[Vilobia]]* Strother 
**[[Virgulaster]]* Semple =   Aster  L.
**[[Vittadinia]]* A.Rich.
**[[Vittetia]]* R.M.King & H.Rob. 
**[[Volutaria]]* Cass.

## W
**[[Wagenitzia]]* Dostal
**[[Waitzia]]* J.C.Wendl. 
**[[Wamalchitamia]]* Strother
**[[Warionia]]* Benth. & Coss. 
**[[Wedelia]]* Jacq. - creepingoxeye
**[[Welwitschiella]]* O.Hoffm. 
**[[Werneria (plant)|Werneria]]* Kunth
**[[Westoniella]]* Cuatrec. 
**[[Whitneya]]* A.Gray
**[[Wilkesia]]* A.Gray - iliau
**[[Wollastonia]]* DC. ex Decne. 
**[[Wulffia]]* Neck. ex Cass.
**[[Wunderlichia]]* Riedel ex Benth. 
**[[Wyethia]]* Nutt. - mule-ears

## X
**[[Xanthisma]]* DC - sleepydaisy
**[[Xanthium]]* L. - cocklebur
**[[Xanthocephalum]]* Willd.
**[[Xanthopappus]]* C.Winkl.
**[[Xeranthemum]]* L.
**[[Xerolekia]]* Anderb.
**[[Xylanthemum]]* Tzvelev 
**[[Xylorhiza]]* - woody aster (?)
**[[Xylothamia]]* G.L.Nesom, Y.B.Suh, D.R.Morgan & B.B.Simpson

## Y
**[[Yermo (genus)|Yermo]]* Dorn - desert yellowhead
**[[Youngia]]* Cass.

## Z
**[[Zaluzania]]* Pers.
**[[Zandera]]* D.L.Schulz 
**[[Zexmenia]]* La Llave 
**[[Zinnia]]* L.
**[[Zoegea]]* L. 
**[[Zyzyxia]]* Strother

Catigurìa:Butànica