Liosta de phlandaí gairdín

Is é seo ná liosta de phlandaí gairdín, í gur féidir leo a bheith saothraithe sa ghairdín, agus iad liostaithe in ord aibítre de réir ghéinis .

A 

 Abelia
 Abeliophyllum (foirsítia bhán)
 Abelmoschus (ocra)
 Abies (giúis)
 Abroma
 Abromeitiella (as feidhm)
 Abronia (Beirbhéine ghainimh)
 Abrus
 Abutilon
 Acacia (crann acaicia)
 Acaena
 Acalypha
 Acantholimon
 Acanthophoenix
 Acanthus
 Acca
 Acer (Mailp)
 Achillea (buí)
 Achimenantha (géineas hibrideach)
 Achimenes
 Acinos (cailmint)
 Aciphylla
 Acmena
 Acoelorraphe 
 Acokanthera
 Aconitum (aconite, dáthabha dubh)
 Acorus
 Acradenia
 Acrocomia
 Actaea (baneberry)
 Actinidia (planda cíobhaíonna)
 Ada (magairlín)
 Adansonia
 Adenandra
 Adenanthos
 Adenia
 Adenium
 Adenocarpus
 Adenophora
 Adenostoma
 Adiantum (dúchosach)
 Adlumia
 Adonis
 Adromischus
 Aechmea
 Aegopodium
 Aeonium
 Aerangis (magairlín)
 Aerides (magairlín)
 Aeschynanthus
 Aesculus
 Aethionema
 Afgekia
 Agapanthus
 Agapetes
 Agastache
 Agathis
 Agathosma
 Agave
 Ageratum
 Aglaia
 Aglaomorpha
 Aglaonema
 Agonis
 Agrimonia
 Agrostemma (cogal)
 Agrostis
 Aichryson
 Ailanthus (Crann na nDéithe, etc.)
 Aiphanes
 Aira (móinfhéar)
 Ajania
 Ajuga 
 Akebia
 Alangium
 Alberta
 Albizia (crann síoda)
 Albuca
 Alcea 
 Alchemilla
 Aldrovanda
 Aleurites
 Aliceara (géineas hibrideach)
 Alisma (corrchopóg)
 Alkanna
 Allagoptera
 Allamanda
 Allium (corrchopóg)
 Allocasuarina
 Allosyncarpia
 Alloxylon
 Alluaudia
 Alnus (fearnóg)
 Alocasia
 Aloe(oinniún)
 Aloinopsis
 Alonsoa
 Alopecurus (féar eireabaill sionnaigh)
 Aloysia
 Alphitonia
 Alpinia (lile sinséir)
 Alsobia
 Alstonia
 Alstroemeria
 Alternanthera
 Althaea
 Alyogyne
 Alyssum
 Alyxia
 Amaranthus
 Amarcrinum (géineas hibrideach)
 Amarygia (géineas hibrideach)
 Amaryllis
 Amberboa
 Amelanchier
 Amesiella
 Amherstia
 Amicia
 Ammi
 Ammobium
 Amorpha
 Amorphophallus
 Ampelopsis
 Amsonia
 Anacampseros
 Anacardium
 Anacyclus
 Anagallis (falcaire)
 Ananas (anann)
 Anaphalis
 Anchusa
 Andersonia
 Andira
 Androlepis
 Andromeda
 Andropogon
 Androsace
 Anemia
 Anemone (gaothbhláth)
 Anemonella
 Anemonopsis
 Anemopaegma
 Anethum (lus mín)
 Angelica
 Angelonia
 Angiopteris
 Angophora
 Angraecum (magairlín)
 Anguloa (magairlín)
 Angulocaste (magairlín)
 Anigozanthos
 Anisacanthus
 Anisodontea
 Annona
 Anoda
 Anomatheca 
 Anopterus
 Anredera
 Antennaria
 Anthemis
 Anthericum
 Anthocleista
 Anthotroche
 Anthriscus
 Anthurium
 Anthyllis
 Antidesma
 Antigonon
 Antirrhinum (scrubh na laoch)
 Apera
 Aphelandra
 Aphyllanthes
 Apium
 Apocynum
 Aponogeton
 Apophyllum
 Apodytes
 Aponogeton
 Aporocactus
 Aporoheliocereus (géineas hibrideach)
 Aprevalia
 Aptenia
 Aquilegia (colaimbín)
 Arabis (gas caillí)
 Arachis
 Arachniodes
 Arachnis (magairlín scairpe) 
 Araeococcus
 Araiostegia
 Aralia
 Araucaria (arócar)
 Araujia
 Arbutus (madrone)
 Archidendron
 Archontophoenix (ríphailm)
 Arctium
 Arctostaphylos (lus na stalóg, manzanita)
 Arctotheca
 Arctotis (Nóinín Afracach)
 Ardisia
 Areca
 Arenaria (gaineamhlus)
 Arenga
 Argemone (poipín deilgíneach)
 Argyranthemum
 Argyreia
 Argyroderma
 Ariocarpus
 Arisaema
 Arisarum
 Aristea
 Aristolochia
 Aristotelia
 Armeria
 Armoracia
 Arnebia
 Arnica
 Aronia 
 Arrabidaea (Féach Saritaea)
 Arrhenatherum (coirce fia)
 Artanema
 Artabotrys
 Artemisia (liathlus, , mormónta)
 Arthrocereus
 Arthropodium
 Artocarpus
 Arum
 Aruncus
 Arundina
 Arundinaria
 Arundo
 Asarina
 Asarum (sinséar fiáin)
 Asclepias (lus bleachta), 
 Ascocenda (géineas hibrideach) 
 Ascocentrum
 Asimina
 Asparagus
 Asperula (lus molach)
 Asphodeline
 Asphodelus (asphodel)
 Aspidistra
 Asplenium
 Astelia
 Astar
 Asteranthera
 Astilbe
 Astilboides
 Astragalus (bleachtphiseán)
 Astrantia
 Astrophytum
 Asystasia
 Atalaya
 Athamanta
 Atherosperma
 Athrotaxis
 Athyrium
 Atriplex
 Attalea
 Aubrieta
 Aucuba
 Aulax
 Auranticarpa
 Aurinia
 Austrocedrus
 Austrocylindropuntia
 Austrostipa
 Averrhoa
 Avicennia
 Azadirachta
 Azalea
 Azara
 Azolla (raithneach uisceach)
 Azorella
 Azorina
 Aztekium
 Azetura

B 

 Babiana
 Baccharis
 Backhousia
 Bacopa (íosóip uisceach)
 Bactris
 Baeckea
 Baikiaea
 Baileya
 Ballota
 Balsamorhiza (fréamh bhalsaim)
 Bambusa (bambú)
 Banksia
 Baptisia
 Barbarea (ruachán buí or treabhach)
 Barkeria (magairlín)
 Barleria
 Barklya 
 Barnadesia
 Barringtonia
 Bartlettina

 Basselinia
 Bassia
 Bauera
 Bauhinia
 Baumea
 Beallara
 Beaucarnea
 Beaufortia
 Beaumontia
 Beccariella
 Bedfordia
 Begonia
 Belamcanda
 Bellevalia
 Bellis (nóinín)
 Bellium
 Berberidopsis
 Berberis (barbróg)
 Berchemia
 Bergenia
 Bergerocactus
 Berkheya
 Berlandiera
 Berrya
 Bertolonia
 Berzelia
 Beschorneria
 Bessera
 Beta (biatas)
 Betula (beith)
 Biarum
 Bidens
 Bignonia
 Bikkia
 Billardiera
 Billbergia
 Bischofia
 Bismarckia
 Bixa
 Blandfordia
 Blechnum (raithneach chrua)
 Bletilla (magairlín)
 Blighia
 Bloomeria
 Blossfeldia
 Bocconia
 Boenninghausenia
 Bolax
 Bolbitis
 Bollea (magairlín)
 Boltonia
 Bolusanthus
 Bomarea
 Bombax
 Bongardia
 Boophone
 Borago
 Borassodendron
 Borassus
 Boronia
 Bosea
 Bossiaea
 Bothriochloa
 Bougainvillea
 Bouteloua
 Bouvardia
 Bowenia
 Bowiea
 Bowkeria
 Boykinia
 Brabejum
 Brachychiton
 Brachyglottis
 Brachylaena
 Brachypodium
 Brachyscome
 Brachysema
 Brachystelma
 Bracteantha
 Brahea 
 Brassavola (magairlín)
 Brassaia (crann ochtapais)
 Brassia (magairlín )
 Brassica (mustard, cabáiste)
 Brassidium (magairlín)
 Brassocattleya (magairlín)
 Brassolaeliocattleya (magairlín)
 Breynia
 Briggsia
 Brillantaisia
 Brimeura
 Briza (féar gortach)
 Brodiaea
 Bromelia
 Broughtonia
 Broussonetia
 Browallia
 Brownea
 Browningia
 Bruckenthalia
 Brugmansia
 Brunfelsia
 Brunia
 Brunnera
 Brunsvigia
 Brya
 Buchloe
 Buckinghamia
 Buddleja
 Buglossoides
 Bulbine
 Bulbinella
 Bulbocodium
 Bulbophyllum (magairlín)
 Bulnesia
 Bunchosia
 Buphthalmum
 Bupleurum
 Burchardia
 Burchellia
 Burrageara
 Burretiokentia
 Bursaria
 Bursera
 Burtonia
 Butea
 Butia
 Butomus
 Buxus (crann bosca)
 Byrsonima
 Bystropogon

C 

 Cabomba
 Cadia
 Caesalpinia (dwarf poinciana, Pride of Barbados)
 Caladium
 Calamagrostis (reed grass, smallweed)
 Calamintha (calamint)
 Calamus
 Calandrinia
 Calanthe
 Calathea
 Calceolaria (slipperwort)
 Calendula (pot marigold)
 Calibanus
 Calibrachoa
 Calla
 Calliandra
 Callianthemum
 Callicarpa (beauty berry)
 Callicoma  (black wattle)
 Callirhoe (poppy mallow)
 Callisia
 Callistemon (bottlebrush)
 Callistephus (Chinese aster)
 Callitriche (water starwort)
 Callitris (cypress pine)
 Calluna (heather)
 Calocedrus (incense cedar)
 Calochone
 Calochortus
 Calodendrum (cape chestnut)
 Calomeria
 Calophaca
 Calophyllum
 Calopyxis
 Caloscordum
 Calothamnus
 Calotropis
 Calpurnia
 Caltha (kingcup, marsh marigold)
 Calycanthus
 Calymmanthium
 Calypso (an orchid genus)
 Calytrix (starflower)
 Camassia (quamash)
 Camellia
 Camoensia
 Campanula (bellflower)
 Campsis (trumpet vine)
 Campylotropsis (SeeLespedeza)
 Cananga (ylang ylang)
 Canarina
 Canistrum
 Canna
 Cantua
 Capparis
 Capsicum (pepper)
 Caragana (peashrub)
 Caralluma
 Cardamine (bittercress)
 Cardiocrinum
 Cardiospermum
 Cardwellia
 Carex (sedge)
 Carissa
 Carlina
 Carludovica
 Carmichaelia
 Carnegiea (saguaro)
 Carpentaria
 Carpenteria
 Carphalea
 Carpinus (hornbeam)
 Carpobrotus
 Carthamus (safflower)
 Carum (caraway)
 Carya (hickory, pecan)
 Caryopteris
 Caryota (fishtail palm)
 Cassia (shower tree)
 Cassinia
 Cassiope
 Cassipourea
 Castanea (chestnut)
 Castanopsis
 Castanospermum (black bean)
 Casuarina (sheoak)
 Catalpa (Indian bean)
 Catananche
 Catasetum (an orchid genus)
 Catha (khat tree)
 Catharanthus (bláth na faochan dearg faocha)
 Catopsis
 Cattleya (an orchid genus)
 Caulophyllum
 Cautleya
 Cavendishia
 Ceanothus (líológ Chalafoirniach)
 Cedrela (toon)
 Cedronella
 Cedrus (céadar)
 Ceiba (crann cadáis)
 Celastrus (staff-vine)
 Celmisia (New Zealand daisy)
 Celosia (cockscomb)
 Celtis 
 Centaurea
 Centaurium
 Centradenia
 Centranthus 
 Cephalaria
 Cephalocereus
 Cephalophyllum
 Cephalotaxus (iúr plumaí)
 Ceraria
 Cerastium
 Ceratonia (carúb, pónaire charóib)
 Ceratopetalum (cóisteadhmad)
 Ceratophyllum
 Ceratopteris
 Ceratostigma
 Ceratozamia
 Cerbera (mangó mara)
 Cercidiphyllum
 Cercis (Judas tree, redbud)
 Cercocarpus
 Cereus
 Ceropegia
 Cestrum
 Chadsia
 Chaenomeles (flowering quince)
 Chaenorhinum (dwarf snapdragon)
 Chaerophyllum
 Chamaecyparis 
 Chamaecytisus
 Chamaedaphne
 Chamaedorea
 Chamaelirium
 Chamaemelum (camán míonla)
 Chamaerops
 Chamelaucium (céirbhláth)
 Chasmanthe
 Chasmanthium
 Cheilanthes
 Cheiridopsis
 Chelidonium
 Chelone 
 Chiastophyllum
 Chiliotrichum
 Chilopsis (saileach an fhásaigh)
 Chimaphila
 Chimonanthus 
 Chimonobambusa
 Chionanthus 
 Chionochloa
 Chionodoxa (glóir sa sneachta)
 Chionoscilla (hybrid)
 Chirita
 Chlidanthus
 Choisya
 Chonemorpha 
 Choricarpia 
 Chorisia 
 Chorizema
 Chrysalidocarpus
 Chrysanthemoides
 Chrysanthemum
 Chrysobalanus
 Chrysogonum
 Chrysolepis
 Chrysolepis
 Chrysophyllum (crann réalt-úll)
 Chrysothemis
 Chusquea
 Cibotium
 Cicerbita
 Cichorium (lus an tsiocaire, eindíbh)
 Cimicifuga (fuath na míolta bán)
 Cinnamomum (labhras camfair)
 Cionura
 Cirsium
 Cissus
 Cistus (grianrós, 
 Citharexylum 
 Citrofortunella (hybrid)
 Citrus (líoma, crann líomóidí)
 Cladanthus
 Cladrastis
 Clarkia
 Claytonia
 Cleistocactus
 Clematis
 Cleome (damhánbhláth)
 Clerodendrum
 Clethra 
 Cleyera
 Clianthus
 Clintonia
 Clitoria
 Clivia
 Clusia
 Clytostoma
 Cobaea
 Coccoloba (fíonchaor mhara)
 Coccothrinax 
 Cocculus
 Cochlioda
 Cochlospermum (crann feabhráin, Maximiliana)
 Cocos (cnó cócó)
 Codiaeum (croton)
 Codonanthe
 Codonopsis
 Coelia
 Coelogyne magairlín
 Coffea (crann caife)
 Coix
 Colchicum (cróch an fhómhair, cróch an fhómhair)
 Coleonema
 Colletia
 Collinsia
 Collomia
 Colocasia (taró)
 Colquhounia
 Columnea
 Colutea (caisia  boilgíneach)
 Coluteocarpus
 Colvillea
 Combretum
 Comesperma
 Commelina (lus damháin alla)
 Commersonia
 Commidendrum
 Commiphora
 Comptonella
 Comptonia
 Conandron
 Congea
 Conicosia
 Coniogramme
 Conoclinium 
 Conophytum
 Conospermum
 Conostylis
 Conradina
 Consolida (sála fuiseoiger)
 Convallaria (lile na ngleanntán)
 Convolvulus (glúineach, glóir na maidine)
 Copernicia (Copernicia prunifera)
 Copiapoa syn.Pilocopiapoa
 Coprosma
 Coptis (goldthread)
 Cordia 
 Cordyline
 Coreopsis 
 Coriandrum (lus an choire cilantro)
 Coriaria
 Cornus (conbhaiscne, cornel)
 Corokia
 Coronilla
 Correa
 Corryocactus
 Cortaderia (féar pampas, féar tortógach)
 Cortusa
 Corybas ( magairlín cafairr)
 Corydalis
 Corylopsis (winter-hazel)
 Corylus (hazel, filbert)
 Corymbia
 Corynocarpus
 Corypha
 Coryphantha
 Cosmos
 Costus
 Cotinus (smoke bush)
 Cotoneaster
 Cotula (brass buttons)
 Cotyledon
 Couroupita (cannonball tree)
 Crambe
 Craspedia
 Crassula
 +Crataegomespilus (graft chimera)
 Crataegus (hawthorn)
 Crataemespilus (hybrid)
 Crepis
 Crescentia (calabash)
 Crinodendron
 Crinum
 Crocosmia (falling stars, montbretia)
 Crocus
 Crossandra (firecracker flower)
 Crotalaria (rattlepod)
 Croton
 Crowea
 Cryptanthus (earth stars)
 Cryptbergia (hybrid)
 Cryptocarya
 Cryptocoryne (water trumpet)
 Cryptomeria (sugi, Japanese cedar)
 Cryptostegia (Indian rubber vine)
 Cryptotaenia
 Ctenanthe
 Cucumis
 Cucurbita
 Cuminum
 Cunila
 Cunninghamia (China-fir)
 Cunonia
 Cupaniopsis (tuckeroo)
 Cuphea
 Cupressus (cypress)
 Cuprocyparis (hybrid)
 Curcuma
 Cussonia
 Cyananthus (trailing bellflower)
 Cyanotis
 Cyathea (tree fern)
 Cyathodes
 Cybistax
 Cycas (cycad, sago "palm")
 Cyclamen
 Cycnoches
 Cydista
 Cydonia (quince)
 Cylindropuntia
 Cymbalaria (ivy-leaved toadflax)
 Cymbidium (an orchid genus)
 Cymbopogon
 Cynara
 Cynodon
 Cynoglossum (hound's tongue)
 Cypella
 Cyperus
 Cyphomandra (tree tomato)
 Cyphostemma
 Cypripedium (lady's slipper)(an orchid genus)
 Cyrilla
 Cyrtanthus (fire lily)
 Cyrtomium
 Cyrtostachys
 Cystopteris (bladder fern)
 Cytisus (broom)

D 

 Daboecia
 Dacrydium
 Dactylis
 Dactylorhiza (marsh orchid)
 Dahlia
 Dalea (indigo bush)
 Dalechampia
 Damasonium
 Dampiera
 Danae
 Daphne
 Daphniphyllum
 Darlingia
 Darmera syn. Peltiphyllum
 Darwinia (scent myrtle)
 Dasylirion
 Datura
 Davallia (hare's foot fern)
 Davidia
 Daviesia
 Decaisnea
 Degarmoara ( a hybrid orchid genus)
 Decarya
 Decumaria
 Deinanthe
 Delairea
 Delonix
 Delosperma
 Delphinium
 Dendranthema
 Dendrobium (an orchid genus)
 Dendrocalamus
 Dendrochilum (an orchid genus)
 Dendromecon (tree poppy)
 Denmoza
 Dennstaedtia (cup fern)
 Deppea
 Derris
 Derwentia
 Deschampsia (hair grass)
 Desfontainia
 Desmodium
 Deuterocohnia syn. Abromeitiella
 Deutzia
 Dianella (flax lily)
 Dianthus (carnation, pink)
 Diascia (twinspur)
 Dicentra (bleeding heart)
 Dichelostemma
 Dichondra
 Dichorisandra
 Dichroa
 Dicksonia
 Dicliptera
 Dictamnus (burning bush, dittany)
 Dictyosperma (princess palm)
 Didymochlaena
 Dieffenbachia (dumb cane, mother-in-law's tongue, tuftroot)
 Dierama (African harebell, angel's fishing rod, wand flower)
 Diervilla (bush honeysuckle)
 Dietes
 Digitalis (foxglove)
 Dillenia
 Dillwynia
 Dimorphotheca (African daisy)
 Dionaea (Venus flytrap)
 Dionysia
 Dioon
 Dioscorea syns.Rajania, Tamus, Testudinaria(yam)
 Diospyros (ebony, persimmon)
 Dipcadi
 Dipelta
 Diphylleia
 Diplarrhena (butterfly flag)
 Diplazium
 Diplocyclos
 Diploglottis
 Diplolaena
 Dipsacus (teasel)
 Dipteris
 Dipteronia
 Dipteryx
 Dirca (leatherwood)
 Disa (an orchid genus)
 Disanthus
 Discaria

 Dischidia
 Discocactus
 Disocactus
 Disporopsis
 Disporum (fairy-bells)
 Dissotis
 Distictis
 Distylium
 Dizygotheca
 Docynia
 Dodecatheon (shooting stars, American cowslip)
 Dodonaea (hop bush)
 Dolichandrone
 Dombeya
 Doodia (hacksaw fern, rasp fern)
 Doronicum (leopard's bane)
 Dorotheanthus (ice plant, Livingstone daisy)
 Dorstenia
 Doryanthes (spear lily)
 Doryopteris
 Dovyalis
 Draba (whitlow grass)
 Dracaena
 Dracocephalum
 Dracophyllum
 Dracula (an orchid genus)
 Dracunculus
 Dregea
 Drimys
 Drosanthemum
 Drosera (sundew)
 Dryandra
 Dryas (mountain avens)
 Drynaria
 Dryopteris (buckler fern, shield fern, wood fern)
 Duboisia
 Duchesnea (Indian strawberry, mock strawberry)
 Dudleya Duranta Duvalia Dyckia Dymondia Dypsis syn. Chrysalidocarpus, Neodypsis E 

 Ebracteola Ecballium Eccremocarpus Echeveria Echidnopsis Echinacea (coneflower)
 Echinocactus Echinocereus Echinops (globe thistle)
 Echinopsis Echium Edgeworthia Edithcolea Edraianthus Egeria Ehretia Eichhornia (water hyacinth)
 Elaeagnus Elaeis (oil palm)
 Elaeocarpus Elatostema Eleocharis (spike rush)
 Elettaria Eleutherococcus Elodea (pondweed)
 Elsholtzia Elymus (wild rye)
 Embothrium Emilia (tassel flower)
 Emmenopterys Encelia Encephalartos (Kaffir bread)
 Encyclia (an orchid genus)
 Enkianthus Ensete Eomecon (snow poppy)
 Epacris Ephedra (ephedra)
 Epidendrum (an orchid genus)
 Epigaea Epilobium Epimedium (barrenwort)
 Epipactis (helleborine,  an orchid genus)
 Epiphyllum (orchid cactus)
 Episcia (flame violet)
 Epithelantha Equisetum (horsetail)
 Eragrostis (love grass)
 Eranthemum Eranthis (winter aconite)
 Ercilla Eremophila (emu bush)
 Eremurus Erica (heath/heather)
 Erigeron (fleabane)
 Erinacea Erinus Eriobotrya Eriogonum Eriophorum (cotton grass)
 Eriophyllum Eriostemon (waxflower)
 Eritrichium Erodium Eryngium (eryngo, sea holly)
 Erysimum (wallflower)
 Erythrina (coral tree)
 Erythronium Escallonia Eschscholzia (California poppy)
 Escobaria Espostoa Etlingera Eucalyptus (gum tree, ironbark)
 Eucharis Eucomis Eucommia Eucryphia Eulophia (an orchid genus)
 Euonymus Eupatorium Euphorbia (spurge)
 Euptelea Eurya Euryale Euryops Eustoma Evolvulus Exacum Exochorda F 

 Fabiana Fagus (Feá)
 Fallopia Farfugium Fargesia Fascicularia Fatshederae (hybrid genus)
 Fatsia Faucaria Felicia (blue daisy)
 Fendlera Fenestraria Ferocactus Ferraria Ferula (giant fennel)
 Festuca (fescue)
 Fibigia Ficus (fig)
 Ficus pumila Filipendula Firmiana Fittonia Fitzroya Fockea Foeniculum (fennel)
 Fontanesia Forsythia Fortunella (kumquat)
 Fothergilla Fouquieria Fragaria (strawberry)
 Frailea Francoa Frangipani Franklinia Fraxinus (ash)
 Freesia Fremontodendron Fritillaria (fritillary)
 Fuchsia Furcraea G 

 Gagea Gaillardia Galanthus (snowdrop)
 Galax Galega Galium (bedstraw)
 Galtonia Gardenia Garrya Gasteria Gaultheria Gaura Gaylussacia (huckleberry)
 Gazania Geissorhiza Gelsemium Genista Gentiana (gentian)
 Gentianopsis Geranium (cranesbill, not same as Pelargonium)
 Gerbera Gesneria Geum (avens)
 Gevuina Gibbaeum Gilia Gillenia Ginkgo Gladiolus Glaucidium Glaucium Gleditsia (honey locust)
 Globba Globularia (globe daisy)
 Gloriosa Glottiphyllum Gloxinia Glyceria Glycyrrhiza Gomphocarpus Gomphrena Goniolimon Goodyera (jewel orchid)
 Gordonia Graptopetalum Graptophyllum Graptoveria (hybrid genus)
 Grevillea Grewia Greyia Grindelia Griselina Gunnera (dinosaur food)
 Guzmania Gymnocalycium Gymnocarpium Gymnocladus Gynandriris Gynura Gypsophila H 

 Haageocereus Haastia Habenaria (magairlín)
 Haberlea Habranthus Hacquetia Haemanthus (blood lily)
 Hakea Hakonechloa Halesia (silverbell)
 Halimiocistus (hybrid genus)
 Halimium Halimodendron Hamamelis (witch-hazel)
 Haplopappus Hardenbergia (coral pea)
 Harrisia Hatiora Haworthia Hebe Hechtia Hedera (ivy)
 Hedychium Hedyotis (bluets)
 Hedysarum Hedyscepe (umbrella palm)
 Helenium (sneezeweed)
 Helianthemum (rock rose)
 Helianthus (sunflower)
 Helichrysum Heliconia Helictotrichon Heliocereus Heliophila Heliopsis (ox eye)
 Heliotropium (heliotrope)
 Helleborus (hellebore)
 Heloniopsis Hemerocallis (daylily)
 Hemigraphis Hepatica Heptacodium Heracleum Herbertia Hereroa Hermannia Hermodactylus Hesperaloe Hesperantha Hesperis Hesperocallis Heterocentron Heterotheca Heuchera (coral flower)
 Heucherella (hybrid genus)
 Hibbertia Hibiscus (rose of Sharon)
 Hieracium (hawkweed)
 Himalayacalamus Hippeastrum (amaryllis)
 Hippocrepis Hippophae Hohenbergia Hohenbergiopsis Hoheria Holboellia Holcus Holmskioldia Holodiscus Homalocladium (ribbon bush)
 Homeria Hoodia Hordeum (barley)
 Horminum Hosta (plantain lily)
 Hottonia Houttuynia Hovea Hovenia Howea (sentry palm)
 Hoya (wax flower)
 Huernia Humulus (hops)
 Hummemannia Huntleya Hyacinthella Hyacinthoides Hyacinthus (hyacinth)
 Hydrangea Hydrastis (goldenseal)
 Hydrocharis (frogbit)
 Hydrocleys Hydrocotyle (pennywort)
 Hygrophila Hylocereus Hylomecon Hymenocallis Hymenosporum Hyophorbe (bottle palm)
 Hyoscyamus (henbane)
 Hypericum (St. John's wort, rose of Sharon)
 Hyphaene (doum palm)
 Hypocalymma Hypoestes Hypoxis (starflower)
 Hypsela Hyssopus (hyssop)

 I 

 Iberis (candytuft)
 Ibervillea Idesia Ilex (holly)
 Illicium Impatiens (balsam)
 Imperata Incarvillea Indigofera Inula Iochroma Ipheion Ipomoea (morning glory)
 Ipomopsis Iresine Iris Isatis Isoplexis Isopyrum Itea Ixia (corn lily)
 Ixiolirion Ixora J 

 Jaborosa Jacaranda Jacquemontia Jamesia Jancaea Jasione Jasminum (jasmine, jessamine)
 Jatropha Jeffersonia Jovellana Jovibarba Juanulloa Jubaea (Chilean wine palm)
 Juglans (walnut)
 Juncus (rush)
 Juniperus (juniper)
 Justicia K 

 Kadsura Kaempferia Kalanchoe Kalimeris Kalmia (mountain laurel)
 Kalmiopsis Kalopanax Kelseya Kerria Kigelia (sausage tree)
 Kirengeshoma Kitaibela Kleinia Knautia Knightia Kniphofia Koeleria (junegrass)
 Koelreuteria (golden rain tree)
 Kohleria Kolkwitzia (beautybush)
 Kosteletzkya Kunzea L 

 Lablab Laburnocytisus Laburnum (laburnum)
 Laccospadix Lachenalia (Cape cowslip)
 Laelia (an orchid genus)
 Laeliocattleya (hybrid orchid genus)
 Lagarosiphon Legenophora Lagerstroemia Lagunaria Lagurus Lamarckia Lambertia Lamium (deadnettle)
 Lampranthus Lantana (shrub verbena)
 Lapageria Lardizabala Larix (larch)
 Larrea (creosote bush)
 Latania (Latan palm)
 Lathraea Lathyrus Laurelia Laurus Lavandula (lavender)
 Lavatera (mallow)
 Lawsonia Layia Ledebouria Ledodendron (hybrid genus)
 Ledum Leea Legousia Leiophyllum Leipoldtia Leitneria Lemboglossum Lenophyllum Leonotis Leontice Leontopodium (edelweiss)
 Lepidozamia Leptinella Leptodactylon Lechenaultia Lespedeza (bush clover)
 Leucadendron Leucanthemella Leucanthemopsis Leucanthemum Leuchtenbergia Leucocoryne Leucogenes Leucojum (snowflake)
 Leucophyllum Leucophyta Leucopogon Leucoraoulia (hybrid genus)
 Leucospermum (pincushion)
 Leucothoe Lewisia Leycesteria Leymus Liatris Libertia Libocedrus Ligularia Ligustrum (privet)
 Lilium (lily)
 Limnanthes Limnocharis Limonium (sea lavender)
 Linanthus Linaria (toadflax)
 Lindelofia Lindera Lindheimeria (star daisy)
 Linnaea (twinflower)
 Linospadix Linum (flax)
 Liquidambar (sweetgum)
 Liriodendron (tulip tree)
 Liriope (lilyturf)
 Lithocarpus Lithodora Lithophragma Lithops Littonia Livistona Loasa Lobelia Lobularia (sweet alyssum)
 Lodoicea (coco de mer)
 Loiseleuria Lomandra (mat rush)
 Lomatia Lomatium Lomatophyllum Lonicera (honeysuckle)
 Lopezia Lophomyrtus Lophospermum Lophostemon Loropetalum Lotus Luculia Ludwigia Luma Lunaria Lupinus (lupin)
 Luzula (woodrush)
 Lycaste (an orchid genus)
 Lychnis (campion)
 Lycium Lycopodium (club moss)
 Lycoris Lygodium (climbing fern)
 Lyonia Lyonothamnus Lysichiton (yellow skunk cabbage)
 Lysiloma Lysimachia Lythrum (loosestrife)

 M 

 Maackia Macfadyena Machaeranthera Mackaya Macleania Macleaya Maclura Macropidia Macrozamia Magnolia Mahonia Maianthemum (May lily)
 Maihuenia Malcolmia Malephora Malope Malpighia Malus (apple, crabapple)
 Malva (mallow)
 Malvastrum Malvaviscus Mammillaria Mandevilla Mandragora (mandrake)
 Manettia Manglietia Maranta Margyricarpus Marrubium (horehound)
 Marsilea (pepperwort)
 Masdevallia (an orchid genus)
 Matteuccia Matthiola (stock)
 Maurandella Maurandya Maxillaria (an orchid genus)
 Maytenus Mazus Meconopsis Medicago (alfalfa)
 Medinilla Meehania Megacodon Megaskepasma Melaleuca (paperbark)
 Melasphaerula Melastoma Melia Melianthus Melica (melic)
 Melicytus Melinis Meliosma Melissa (balm)
 Melittis (bastard balm)
 Melocactus Menispermum (moonseed)
 Mentha (mint)
 Mentzelia (starflower)
 Menyanthes Menziesia Merendera Merremia Mertensia Mespilus Metasequoia (dawn redwood)
 Metrosideros Meum Mexicoa Michauxia Michelia Microbiota Microcachrys Microlepia Micromeria Mikania Milium Milla Millettia Miltonia (an orchid genus)
 Miltoniopsis (pansy orchid)
 Mimetes Mimosa (mimosa, or sensitive plant)
 Mimulus (monkey flower)
 Mirabilis Miscanthus Mitchella (partridge berry)
 Mitella Mitraria Molinia Moltkia Moluccella Monadenium Monanthes Monarda (bee balm)
 Monardella Monstera Moraea Morina Morisia Morus (plant) (mulberry)
 Mucuna Muehlenbeckia Mukdenia Musa (banana, plantain)
 Muscari (grape hyacinth)
 Mussaenda Mutisia Myoporum Myosotidium Myosotis (forget-me-not)
 Myrica Myriophyllum (milfoil)
 Myrrhis (sweet cicely)
 Myrsine Myrteola Myrtillocactus Myrtus (myrtle)

 N 

 Nandina (heavenly bamboo)
 Narcissus (daffodil)
 Nasturtium (watercress)
 Nautilocalyx Nectaroscordium Neillia Nelumbo (lotus)
 Nematanthus Nemesia Nemopanthus (mountain holly)
 Nemophila Neobuxbaumia Neolitsea Neolloydia Neomarica Neoporteria Neoregelia Nepenthes (pitcher plant)
 Nepeta (catmint)
 Nephrolepis Nerine Nerium (oleander)
 Nertera Nicandra Nicotiana (tobacco)
 Nidularium Nierembergia Nigella Nipponanthemum Nolana Nomocharis Nopalxochia Nothofagus (southern beech)
 Notholirion Nothoscordum (false garlic)
 Notospartium Nuphar (spatterdock)
 Nymania Nymphaea (waterlily)
 Nymphoides (floating heart)
 Nyssa (tupelo)

 O 

 Obregonia Ochagavia Ochna Ocimum Odontioda (hybrid orchid genus)
 Odontocidium (hybrid orchid genus)
 Odontoglossum (an orchid genus)
 Odontonema Odontonia (hybrid orchid genus)
 Oemleria Oenanthe (water dropwort)
 Oenothera (evening primrose, sundrops)
 Olea (olive)
 Olearia (daisy bush)
 Olneya Olsynium Omphalodes (navelwort)
 Omphalogramma Oncidium (an orchid genus)
 Onoclea Ononis (restharrow)
 Onopordum Onosma Oophytum Ophiopogon (lilyturf)
 Ophrys (an orchid genus)
 Ophthalmophyllum Oplismenus Opuntia (prickly pears, chollas and many other cactus species)
 Orbea Orbeopsis Orchis (an orchid genus)
 Oreocereus Origanum (marjoram, oregano)
 Orixa Ornithogalum Orontium (golden club)
 Orostachys Oroya Ortegocactus Orthophytum Orthrosanthus Orychophragmus Oryza (rice)
 Osbeckia Osmanthus Osmarea Osmunda (royal fern)
 Osteomeles Osteospermum Ostrowskia (giant bellflower)
 Ostrya Othonna Ourisia Oxalis (shamrock, sorrel)
 Oxydendrum Oxypetalum Ozothamnus P 

 Pachistima Pachycereus Pachycormus (plant) Pachycymbium Pachyphragma Pachyphytum Pachypodium Pachysandra Pachystachys Pachystegia Pachystima Pachyveria (hybrid genus)
 Paeonia (peony)
 Paliurus Pamianthe Panax (ginseng)
 Pancratium (sea lily)
 Pandanus (screw pine)
 Pandorea Panicum Pansy  Papaver (poppy)
 Paphiopedilum (slipper orchid)
 Paradisea (paradise lily)
 Parahebe Paraquilegia Parkinsonia Parnassia Parochetus Parodia Paronychia Parrotia Parrotiopsis Parthenocissus Passiflora (granadilla, passionflower)
 Patersonia Patrinia Paulownia Paurotis Pavonia Pedilanthus Pediocactus Pelargonium (geranium)
 Pellaea Peltandra (arrow arum)
 Peltoboykinia Peltophorum Peniocereus Pennisetum Penstemon Pentachrondra Pentaglottis Pentas Peperomia Peraphyllum Pereskia Perezia Pericallis Perilla Periploca Perovskia Pernettya (now included in Gaultheria)
 Persea Persicaria (fleeceflower, knotweed)
 Petasites (butterbur, sweet coltsfoot)
 Petrea Petrocosmea Petrophile Petrophyton Petrophytum (common misspelling of Petrophyton)
 Petrorhagia Petroselinum (parsley)
 Petteria Petunia Phacelia Phaedranassa (queen lily)
 Phaius (an orchid genus)
 Phalaenopsis (moth orchid)
 Phalaris Phebalium Phegopteris (beech fern)
 Phellodendron (cork tree)
 Philadelphus (mock orange)
 Philageria (hybrid genus)
 Philesia Phillyrea Philodendron Phlebodium Phlomis Phlox Phoenix (date palm)
 Phormium Photinia Phragmipedium (an orchid genus)
 Phragmites (reed)
 Phuopsis Phygelius Phylica (Cape myrtle)
 Phylliopsis (hybrid genus)
 Phyllocladus (toatoa)
 Phyllodoce Phyllostachys Phyllothamnus (hybrid genus)
 Physalis (ground cherry)
 Physaria (bladderpod)
 Physocarpus Physoplexis Physostegia Phyteuma Phytolacca (pokeweed)
 Picea (spruce)
 Picrasma Pieris Pilea Pileostegia Pileosella Pilosocereus Pimelea Pimpinella Pinanga Pinckneya Pinellia Pinguicula (butterwort)
 Pinus (pine)
 Piper (pepper)
 Piptanthus Pisonia Pistacia (pistachio)
 Pistia Pitcairnia Pithecellobium Pittosporum Pityrogramma Plantago (plantain)
 Platanus (plane tree, sycamore)
 Platycarya Platycerium (staghorn fern)
 Platycladus (Chinese arborvitae)
 Platycodon (balloon flower)
 Platystemon (creamcups)
 Plectranthus Pleioblastus Pleione (an orchid genus)
 Pleiospilos (living granite)
 Pleurothallis (an orchid genus)
 Plumeria (frangipani)
 Poa Podalyria Podocarpus Podophyllum (mayapple)
 Podranea Polemonium (jacob's ladder, abscess root)
 Polianthes Poliothyrsis Polygala (milkwort, seneca, snakeroot)
 Polygonatum Polygonum (knotweed, knotgrass)
 Polypodium Polyscias Polystichum Poncirus Pongamia Pontederia (pickerel weed)
 Populus (aspen, poplar, cottonwood)
 Porana Portea Portulaca (purslane, moss rose)
 Portulacaria Posoqueria Potamogeton Potentilla (cinquefoil)
 Pothos Potinara (hybrid orchid genus)
 Pratia Primula (primrose)
 Prinsepia Pritchardia Proboscidea (unicorn plant)
 Promenaea Prosopis (mesquite)
 Prostanthera (mint bush)
 Protea Prumnopitys Prunella (self-heal)
 Prunus (almond, apricot, cherry, peach, plum)
 Pseuderanthemum Pseudocydonia Pseudolarix (golden-larch)
 Pseudopanax Pseudosasa Pseudotsuga (douglas-fir)
 Pseudowintera Psilotum Psychopsis (butterfly orchid)
 Psylliostachys (statice)
 Ptelea Pteris (brake, table fern)
 Pterocactus Pterocarya (wingnut)
 Pteroceltis Pterocephalus Pterodiscus Pteropogon Pterostyrax Ptilotus Ptychosperma Pueraria Pulmonaria (lungwort)
 Pulsatilla Pultenaea Punica (pomegranate)
 Purshia Puschkinia Putoria Puya Pycnanthemum Pycnostachys Pyracantha (firethorn)
 Pyrola (wintergreen)
 Pyrostegia Pyrrosia Pyrus (pear)

 Q 

 Quamoclit Quaqua Quercus (oak)
 Quesnelia Quisqualis R 

 Ramonda Ranunculus (buttercup, crowfoot)
 Ranzania Raoulia Raphia (raffia)
 Ratibida Ravenala (traveler's tree)
 Rebutia Rehderodendron Rehmannia Reineckia Reinwardtia Reseda (Mignonette)
 Retama Rhamnus Rhaphidophora Rhaphiolepis Rhapidophyllum (needle palm)
 Rhapis (lady palm)
 Rheum (rhubarb)
 Rhexia Rhipsalis Rhodanthe (strawflower)
 Rhodanthemum Rhodiola Rhodochiton Rhododendron Rhodohypoxis Rhodophiala Rhodothamnus Rhodotypos Rhoeo Rhoicissus Rhombophyllum Rhus (sumac)
 Rhynchelytrum Rhynchostylis (an orchid genus)
 Ribes (currant)
 Richea Ricinus (castor-oil plant)
 Rigidella Robinia Rochea Rodgersia Rodriguezia Rohdea Romanzoffia Romneya (Matilija poppy, tree poppy)
 Romulea Rondeletia Rosa (rose)
 Roscoea Rosmarinus (rosemary)
 Rossioglossum Rothmannia Roystonea (royal palm)
 Rubus (raspberry)
 Rudbeckia (coneflower)
 Ruellia Rumex (dock)
 Rumohra Rupicapnos Ruschia Ruscus Russelia Ruta (rue)

 S 

 Sabal (palmetto)
 Saccharum (plume grass, sugar cane)
 Sadleria Sagina (pearlwort)
 Sagittaria (arrowhead)
 Saintpaulia (African violet)
 Salix (willow)
 Salpiglossis Salvia (sage)
 Salvinia Sambucus (elder)
 Sanchezia Sandersonia Sanguinaria (bloodroot)
 Sanguisorba (burnet)
 Sansevieria Santolina Sanvitalia (creeping zinnia)
 Sapindus Sapium (tallow tree)
 Saponaria (soapwort)
 Sarcocapnos Sarcocaulon Sarcococca Saritaea Sarmienta Sarracenia (pitcher plant)
 Sasa Sassafras Satureja (savory)
 Sauromatum Saxegothaea Saxifraga (saxifrage)
 Scabiosa (scabious plant)
 Scadoxus (blood lily)
 Scaevola Schefflera Schima Schinus Schisandra Schizachyrium Schizanthus Schizopetalon Schizophragma Schizostylis Schlumbergera Schoenoplectus Schomburgkia Schotia Schwantesia Sciadopitys Scilla Scindapsus Scirpoides Sclerocactus Scoliopsus Scopolia Scrophularia (figwort)
 Scutellaria Securinega Sedum (stonecrop)
 Selaginella Selago Selenicereus Selinum Semele Semiaquilegia Semiarundinaria Sempervivum (hens and chicks)
 Senecio (ragwort)
 Senna (herb) Sequoia (coast redwood)
 Sequoiadendron (giant sequoia)
 Seriphidium Serissa Serruria Sesbania Sesleria Setaria Shepherdia Shibataea Shortia Sibiraea Sidalcea Sideritis Silene (campion)
 Silphium Silybum Simmondsia (jojoba)
 Sinningia Sinocalycanthus Sinofranchetia Sinojackia Sinowilsonia Sisyrinchium Skimmia Smilacina Smilax Smithiantha Smyrnium Sobralia Solandra Solanum (potato, nightshade)
 Soldanella (snowbell)
 Soleirolia Solenopsis Solenostemon Solidago (goldenrod)
 Solidaster (supposedly hybrid genus; see Solidago)
 Sollya Sonerila Sophora Sophrolaeliocattleya (trigeneric hybrid orchid)
 Sophronitis (an orchid genus)
 Sorbaria Sorbus (rowan, whitebeam)
 Sorghastrum Sparaxis Sparganium (bur-reed)
 Sparrmania Spartina (cord grass)
 Spartium (broom)
 Spathiphyllum Spathodea Sphaeralcea Spigelia Spiraea (spirea)
 Sprianthes (an orchid genus)
 Sporobolus Sprekelia Stachys (betony)
 Stachyurus Stangeria Stanhopea (an orchid genus)
 Stapelia Stapelianthus Staphylea (bladdernut)
 Stauntonia Stenanthium Stenocactus Stenocarpus Stenocereus Stenomesson Stenotaphron Stenotus Stephanandra Stephanocereus Stephanotis Sternbergia Stigmaphyllon Stipa Stokesia Stomatium Stratiotes Strelitzia (bird of paradise)
 Streptocarpus (Cape primrose)
 Streptosolen Strobilanthes Stromanthe Strombocactus Strongylodon Stuartia Stylidium Stylophorum Styphelia Styrax Succisa Sulcorebutia Sutera Sutherlandia Swainsona Swainsonia Syagrus Sycoparrotia (hybrid genus)
 Sycopsis Symphoricarpos (snowberry)
 Symphyandra Symphytum (comfrey)
 Symplocos Synadenium Syneilesis Syngonium Synnotia Synthyris Syringa (lilac)
 Syzygium (rose apple)

 T 

 Tabebuia Tabernaemontana Tacca Tagetes (Mexican or French marigold)
 Talinum (fameflower)
 Tamarix (tamarisk)
 Tanacetum (tansy)
 Tanakaea Tanakea Tapeinochilus Taxodium (bald cypress)
 Taxus (yew)
 Tecoma (plant) Tecomanthe Tecomaria Tecophilaea Telekia Telephium Tellima Telopea (waratah)
 Templetonia Terminalia (plant) Ternstroemia Tetracentron Tetradium (bee tree)
 Tetranema Tetraneuris Tetrapanax Tetrastigma Tetratheca Teucrium Thalia (plant) Thalictrum Thelesperma Thelocactus Thelypteris Thermopsis Thespesia Thevetia Thlaspi Thrinax (thatch palm)
 Thryptomene (heath myrtle)
 Thuja (thuja, arborvitae)
 Thujopsis (hiba)
 Thunbergia Thymophylla Thymus (thyme)
 Tiarella Tibouchina Tigridia Tilia (linden)
 Tillandsia (air plant, Spanish moss)
 Tipuana Titanopsis Tithonia (Mexican sunflower)
 Todea Tolmiea Tolpis Toona Torenia Torreya (nutmeg yew)
 Tovara Townsendia Trachelium Trachelospermum Trachycarpus (chusan palm)
 Trachymene Tradescantia (spiderwort)
 Trapa (water caltrop)
 Trichodiadema Trichosanthes Tricyrtis (toad lily)
 Trientalis Trifolium (clover)
 Trillium Tripetaleia Tripterygium Triteleia (triplet lily)
 Tritonia Trochodendron Trollius (globeflower)
 Tropaeolum (nasturtium)
 Tsuga (hemlock)
 Tsusiophyllum Tuberaria Tulbaghia Tulipa (tulip)
 Tweedia Tylecodon Typha (cattail)

 U 

 Uebelmannia Ugni Ulex (gorse)
 Ulmus (elm)
 Umbellularia Uncinia Uniola Urceolina Urginea Ursinia Utricularia (bladderwort)
 Uvularia (merrybells, bellwort)

 V 

 Valeriana (garden valerian)
 Vallea Vancouveria Vanda (an orchid genus)
 Vanilla Veitchia Vellozia Veltheimia Venidium (cape daisy and others)
 Veratrum Verbascum (mullein)
 Verbena Vernonia (ironweed)
 Veronica (speedwell)
 Veronicastrum Verticordia Vestia Viburnum Victoria (giant waterlily)
 Vigna (cowpea and various beans)
 Viguiera Vinca (periwinkle)
 Viola (pansy, violet)
 Virgilia Viscaria Vitaliana Vitex Vitis (grape)
 Vriesea W 

 Wachendorfia Wahlenbergia Waldsteinia Washingtonia Watsonia Weberocereus Wedelia Weigela Weingartia Weldenia Welwitschia Westringia Widdringtonia Wigandia Wigginsia Wikstroemia Wilsonaria (hybrid orchid genus)
 Wisteria Wittrockia Wolffia Woodsia Woodwardia (chain fern)
 Worsleya Wulfenia X 

 Xanthoceras Xanthorhiza Xanthosoma Xeranthemum Xerophyllum Xylosma Y 

 Yucca Yushania Yuugao Z 

 Zaluzianskya Zamia Zamioculcas Zantedeschia (calla lily)
 Zanthoxylum Zauschneria Zea (maize)
 Zelkova Zenobia Zephyranthes Zigadenus Zinnia Zizania (wild rice)
 Zygopetalum'' (Magairlín)