Click on the first letters or the name to find pictures of particular plants.

Ab	Abies, Abromeitiella, Abutilon, etc.
Ac	Acacia, Acalypha, Acanthostachys, Aanthus, Acer, Achillea, Achimenes, Aciphylla, Acis, Aconitum, Actaea, Actinidia etc.
Ad	Adenophora, Adesma, Adiantum, Adonis, Adromischus etc.
Ae	Aechmea, Aeonium, Aerangis, Aeschynanthus, Aesculus, Aethionema etc.
Af	Afrocarpus etc.
Ag	Agapanthus, Agave, Aglaomorpha, Aglaonema, Agrostis etc.
Ai	Aichryson, Ailanthus etc.
Aj	Ajuga
Ak	Akebia
Al	Albizia, Albuca, x Alcalthaea, Alcantarea, Alchemilla, Aldrovanda, Alkanna, Allagopappus, Allamanda, Allium, Alocasia, Aloe, Alonsoa, Alpinia, Alstroemeria etc.
Am	Amaranthus, x Amarcrinum, Amaryllis, Amelanchier, Amorphophallus, Amsonia etc.
An	Anacamptis, Anagallis, Ananas, Anchusa, Androcymbium, Andromeda, Androsace, Anemone, Anemonella, Anexopus, Angelonia, Angiopteris, Angraecum, Anigozanthus, Anoda, Anthemis, Anthericum, Anthriscus, Anthurium, Anthyllis, Antirrhinum etc
Ap	Aphelandra, Aponogeton, Aptosimum etc.
Aq	Aquilegia etc.
Ar	Arabis, Aralia, Araucaria, Arbutus, Arcterica, Ardisia, Arenaria, Arisaema, Arisarum, Aristolochia, Armeria, Aronia, Arpophyllum, Arthropodium, Arum Aruncus, Arundinaria, Arundo etc.
As	Asarum, Asclepias, Ascocenda, Asparagus, Asperula, Asphodelus, Aspidistra, Asplenium, Aster, Asteriscus, Astilbe, Asyneuma etc.
At	Athyrium, Atriplex etc.
Au	Aubrieta, Aucuba, Aurinia, etc.
Av	Avena etc.
Ay
Az	Azorella etc.
Ba	Babiana, Banksia,Barbacenia, Barnadesia etc.
Be	Begonia, Bellevalia, Bellis, Benthamiella, Berberia, Bergenia, Berkheya, Beschorneria, Bessera, Betula etc.
Bi	Biarum, Billbergia, Biscutella, Bismarckia etc.
Bl	Blechnum, Bletilla, Bloomeria etc.
Bo	Bolax, Bongardia, Bougainvillea, Bowenia etc.
Br	Brachyglottis, Brahea, Brassavola, Brassia, Breynia, x Brigandra, Brilliantaisia, Brimeura, Brodiaea, Bromelia, Browallia, Brownea, Bruckenthalia, Brugmansia, Brunfelsia, Brunnera, Bryonia,
Bu	Buddleia, Bukiniczia, Bulbinella, Bulbophyllum, Butia etc.
By	Byblis, Byrsinoma etc.
Ca	Caesalpinia, Caladium, Calanthe, Calathea, Calceolaria, Calendula, Calliandra, Callicarpa, Callirhoe, Callistemon, Callopsis, Calluna, Calochortus, Caltha, Calystegia, Camellia, Campanula, Campelia, Campsis, Cananga, Canarina, Canna, Cardamine, Carex, Carica, Carissa, Carludovica, Carmichaelia, Carpinus, Caryota, Cassia, Cassinia, Cassiope, Castanea, Castilleja, Catalpa, Catopsis, Cattleya, Cautleya etc.
Ce	Ceanothus, Cedrus, Celmisia, Centaurea, Cephalocereus, Ceratostigma, Cercis, Ceropegia, Cestrum etc.
Ch	Chaenomeles, Chamaecyparis, Chamaecytissus, Chamaedorea, Chamaerops, Chamerion, Chasmanthe, Cheilanthes, Chelidonium, Chenopodium, Chionodoxa, Chirita, Chlorophytum, Choisya, Chondropetalum, Chonemorpha, Chrysanthemum etc.
Ci	Cichorium, Cirrhopetalum, Cirsium, Cissus, Cistus, Citrus etc.
Cl	Clarkia, Clematis, Cleome, Clerodendrum, Clianthus, Clytostoma etc.
Cn	Cnicus etc.
Co	Cobaea, Coccoloba, Cocos, Codiaeum, Codonanthe, Codonopsis, Coelogyne, Coffea, Colchicum, Colletia, Colocasia, Columnea, Colysis, Commelina, Conanthera, Conophytum, Convallaria, Convolvulus, Copernicia, Copiapoa, Cordyline, Coreopsis, Cornus, Corokia, Coronilla, Correa, Cortusa, Corydalis, Corylus, Costus, Cotinus, Cotoneaster etc.
Cr	Craspedia, Crassula, Crataegus, Crinum, Crocus, Crotalaria, Crowea, Cryptanthus, x Cryptbergia, Cryptomeria etc.
Ct	Ctenanthe etc.
Cu	Cuphea, Cupressus, x Cuprocyparis, Curculigo, Curcuma etc.
Cy	Cyananthus, Cyanotis, Cyathea, Cyathodes, Cycas, Cyclamen, Cymbalaria, Cymbidium, Cynara, Cynodon, Cynorkis, Cyperus, Cypripedium, Cyrtanthus, Cyrtomium, Cyrtostachys, Cystopteris, Cytissus etc.
Da	Daboecia, Dactylorhiza, Dalechampia, Daphne, Darlingtonia, Darmera, Dasylirion etc.
Dahlia
De	Degenia, Deinacanthon, Delphinium, Dendrobium, Dendrochilum, Deuterocohnia, Deutzia etc.
Di	Dianella, Dianthus, Dicentra, Dichorisandra, Dichroa, Dicksonia, Dictamnus, Dictyolimon, Dieffenbachia, Dietes, Digitalis, Dimerocostus, Dionysia, Dioon, Dipladenia, Diplomorpha, Dipsacus, Disa, a Disophyllum, Disporopsis, Disporum etc.
Do	Dodecatheon, Dombeya, x Doritaenopsis, Doronicum, Doryanthes etc.
Dr	Draba, Dracaena, dracula, Drimiopsis, Drimys, Drospohyllum, Dryas, Dryopteris etc.
Du	Dudleya etc.
Dy	Dyckia etc.
Eb
Ec	Eccremocarpus, Echeveria, Echinocactus, Echinocereus, Echium etc.
Ed	Edraianthus etc.
Ei	Eichhornia etc.
El	Elaeagnus, Eleis, Elatostemma, Elettaria etc.
En	Encephalartos, Encyclia, Enkianthus, Ensete etc.
Ep	Epidendrum, Epipactis, Epipremnum, Episcia etc.
Eq	Equisetum etc.
Er	Eranthemum, Eranthis, Erica, Erigeron, Erinus, Eriobotrya, Eriogonum , Eriophorum, Eriophyllum, Eritrichium, Erodium, Eryngium, Erysimum, Erythrina, Erythronium etc.
Es	Escallonia, Eschscholzia etc.
Et	Etlingera etc.
Eu	Eucharis, Eucomis, Eucryphia, Eulophia, Euonymus, Euphorbia, Euryops etc.
Ex	Exochorda etc.
Fa	Fagus, Farfugium, Fascicularia, x Fatshedera, Fatsia etc.
Fe	Felicia, Fenestraria, Ferocactus, Ferraria, Fectuca etc.
Fi	Fibigia, Ficus, Filipendula, Fittonia etc.
Fl
Fo	Forsythia, Fosterella, Fothergilla etc.
Fr	Fragaria, Fraxinus, Freesia, Fremontodendron, Freylinia, Fritillaria etc.
Fu	Fuchsia, Furcraea etc.
Fy
Ga	Gagea, Galanthus, Galtonia, Gardenia, Gasteria, Gauletheria, Gazania etc.
Ge	Geissorhiza, Genista, Gennaria, Gentiana, Geophila, Geranium, Gethyum, Geum etc.
Gi	Gilia, Ginkgo etc.
Gl	Gladiolus, Glandularia, Glaucidium, Glechoma, Globba, Glottiphyllum, Gloxinia etc.
Gm
Gn	Gnidia etc.
Go	Goethera, Gomesia, Gossypium etc.
Gr	Graptopetalum, Grevillea, Griselinia etc.
Gu	Gunnera, Guzmania etc.
Gy	Gymnospermium, Gynura, Gypsophila etc.
Ha	Haberlea, Habranthus, Hacquetia, Haemanthus, Hakonechloa, Halesia, Hamamelis etc.
He	Hebe, Hechtia, Hedera, Heimia, Heliamphora, Helianthemum, Helichrysum, Heliconia, Helleborus, Heloniopsis, Hemerocallis, Hemigraphis, Hepatica, Hermannia, Herrania, Hesperochiron, Heuchera, x Heucherella etc.
Hi	Hibbertia, Hibiscus, Hieracium, Himantoglossum, Hippeastrum etc.
Ho	Hohenbergia, Homalomena, Homeria, Homoglossum, Hosta, Houstonia, Houttuynia etc.
Hu	Humulus etc.
Hy	Hyacinthella, Hyacinthoides, Hyacinthus, Hydnophytum, Hydrangea, Hymenocallis, Hymenoxys, Hyophorbe, Hypericum, Hypoestes, Hypoxis, Hypsella etc.
Ib	Iberis etc.
Id
Il	Ilex etc.
Im	Impatiens etc.
In	Incarvillea, Inula etc.
Io	Iochroma etc.
Ip	Ipheion, Ipomoea, Ipomopsis etc.
Ir	Iresine, Iris etc.
Is	Isoplexis, Isopyron etc.
It
Ix	Ixia, Ixora etc.
Ja	Jacobinia, Jamesbrittenia, Jasminum etc.
Je	Jeffersonia etc.
Ji
Jo	Johannesteijsmannia, Jovellana, Jovibarba etc.
Ju	Jumellea, Juniperus, Justicia etc.
Ka	Kaempferia, Kalanchoe, Kalmia, Kalmiopsis etc.
Ke	Kerria etc.
Ki	Kirengeshoma etc.
Kl	Kleinia etc.
Kn	Kniphofia etc.
Ko	Kohleria etc.
Kr
Ku
Ky
La	Laburnum, Lachenalia, Laelia, x Laeliocattleya, Lagunaria, Lallemantia, Lamium, Lapageria, Laportia, Larix, Lathraea, Lathyrus, Laurus, Lavandula etc.
Le	Ledebouria, Lemboglossum, Leonotis, Leontopodium, Lepidium, Lepidozamia, Lepismium, Leptecophylla, Leptinella, Leptodactylon, Leptospermum, Leschenaultia, Leucadendron, Leucanthemum, Leucobryum, Leucocoryne, Leucojum, Leucothoe, Leuzia, Lewisia etc.
Li	Libertia, Licuala, Ligustrum, Lilium, Limonium, Linaria, Linum, Liparis, Liquidambar, Liriodendron, Liriope, Lithodora, Lithophragma, Lithops, Livistonia etc.
Ll
Lo	Lobelia, Lodoicea, Lonicera, Lotus etc.
Lu	Lunaria, Lupinus, Luzula etc.
Ly	Lycaste, Lychnis, Lysichiton, Lysimachia.
Ma	Macleaya, Macrozamia, Magnolia, Mahonia, Maihuenia, Malus, Malva, Malvaviscus, Mammillaria, Mandevilla, Mandragora, Maranta, Marantachloa, Masdevallia, Massonia, Mathiasella, Matricaria, Maxillaria etc.
Me	Meconopsis, Medicago, Medinilla, Melaleuca, Melianthus, Melilotus, Melittis, Mentha, Menyanthes, Mertensis, Metasequoia etc.
Mi	Microspermum, Miersia, Milium, Mimosa, Mimulus etc.
Mo	Monarda, Monopis, Monstera, Moraea, Morus etc.
Mu	Mucuna, Mukdenia, Musa, Muscari, Musschia, Mutisia etc.
My	Myosotidium, Myosotis, Myrtus etc.
Na	Nananthus, Narcissus, Narthecium, Nassauvia etc.
Ne	Neillia, Nelumbo, Nematanthus, Neobuxbaumia, Neoregelia, Neotinea, Nepeta, Nerine, Nerium etc.
Ni	Nicotiana, Nidularium, Nierembergia etc.
No	Nomocharis, Nothoscordum, Nototriche etc.
Nu	Nuphar etc.
Ny	Nymphaea, Nyssa etc.
Oa
Oc	Ochagavia etc.
Od	Odontoglossum, Odontonema etc.
Oe	Oedera, Oenothera etc.
Ol	Olea, Olearia etc.
Om	Omphalodes etc.
On	Oncidium, Onixotis, Onosma, Onychium etc.
Op	Ophrys, Opithandra, Opuntia etc.
Or	Orchidanthera, Orchis, Origanum, Ornithogalum, Orostachys, Orthphytum etc.
Os	Osmanthus, Osmunda, Osteospermum etc.
Ot
Ou	Ourisia etc.
Ox	Oxalis, Oxypetalum, Oxytropis etc.
Oz	Ozothamnus etc.
Pa	Pachypodium, Pachystachys, x Pachyveria, Paeonia, Palisota, Pandanus, Papaver, Paphiopedilum, Parahebe, Paraquilegia, Paris, Parodia, Parthenocissus, Paspalum, Passiflora, Pavonia etc.
Pe	Pedilanthus, Pelargonium, Pellaea, Pellionia, Pennisetum, Penstemon, Peperomia, Pereskia, Persicaria, Petasites, Petraea, Petrocosmea, Petunia etc.
Ph	Phalaenopsis, Philadelphus, Philodendron, Phlebodium, Phlomis, Phlox, Phoenix, Phragmipedium, Phylicia, Phymosa, Physostegia, Phyteuma, Phytolacca etc.
Pi	Picea, Pieris, Pilea, Pimelea, Pinellia, Pinus, Piper, Pitcairnia, Pittosporum etc.
Pl	Plantago, Platycerium, Platystemon, Plectranthus, Pleioblastus, Pleione, Pleurothallis, Plumbago etc.
Pn
Po	Poa, Podocarpus, Podophyllum, Polygala, Polygonatum, Polyscias, Polystichum, Polyxena, Poncirus, Populus, Portea, Potentilla etc.
Pr	Primula, Prostanthera, Protea, Prunus etc.
Ps	Pseuderanthemum, Pseudopanax, Psychotria etc.
Pt	Pteridophyllum, Pteris, Pterostylis, Ptilotus, Ptychosperma etc.
Pu	Pulmonaria, Pulsatilla, Punica, Puya etc.
Py	Pyracantha, Pyrethrum, Pyrus etc.
Qu	Quercus, Quesnelia etc.
Ra	Raffenaldia, Ramonda, Ramosmania, Ranunculus, Raphanus, Raphiolepis, Ravenala etc
Re	Reineckia, Restrepia, Retama etc.
Rh	Rhaphidophora, Rheum, Rhipsalis, Rhizophora, Rhodanthe, Rhodiola, Rhododendron, Rhodohypoxis, x Rhodoxis, Rhoicissus etc.
Ri	Ribes, Riccinus etc.
Ro	Robinia, Rohdea, Romulea, Rosa, Roscoea, Rosmarinus, Rossioglossum, Rosularia etc.
Ru	Rubus, Ruellia, Rupicapnos, Ruscus, Russelia, Ruttya, x Ruttyruspolia etc.
Ry
Sa	Saccharum, Saintpaulia, Salix, Salvia, Sambucus, Sanchezia, Sanguinaria, Sansevieria Santolina, Saponaria, Sarcochilus, Sarmienta, Satyrium, Saxifraga etc.
Sc	Scabiosa, Scadoxus, Scaphosepalum, Schaueria, Schizandra, Schizanthus, Schlumbergera, Scilla, Scindapsus, Scoliopus, Scopolia, Scutellaria etc.
Se	Sebaea, Sedirea, Sedum, Semiaquilegia, Sempervivum, Senecio, Senna, Sequoiadendron, Serapias, x Sericamptis, Serratula etc.
Sh	Shortia etc.
Si	Sidalcea, Silene, Sinningia, Sisyrinchium etc.
Sk	Skimmia etc.
Sl
Sm	Smilacina etc.
Sn
So	Solanum, Soldanella, Solenostemon, Sorbus etc.
Sp	Sparmannia, Spathicarpa, Spathiphyllum, Spiraea etc.
Sr
St	Stachys, Stachyurus, Stanhopea, Stellis, Stenandrium, Stenoglottis, Stenomesson, Stenorhymchos, Stenospermation, Stephanostema, Sternbergia, Steudnera, Strelitzia, Streptocarpus, Streptosolen, Stromanthe, Strongylodon, Strophanthus, Styrax etc.
Su	Sutera, Sutherlandia etc.
Sy	Syagrus, Symphandra, Symphytum, Synadenium, Synandrospadix, Syngonium, Synthris, Syringa etc.
Ta	Tacca, Talbotia, Tanacetum, Tarasa, Taraxacum, Taurantha, Taxodium, Taxus etc.
Te	Tecophilaea, Tellima, Tetranema, Tetrapanax, Tetrastigma, Teucrium etc.
Th	Thalia, Thalictrum, Thaumatococcus, Theobroma, Theropogon, Thomasia, Thryptomene, Thunbergia, Thuya, Thymus etc.
Ti	Tiarella, Tibouchina, Tigridia, Tillandsia etc.
To	Torenia, Townsendia etc.
Tr	Trachycarpus, Tradescantia, Tricyrtis, Trifolium, Trillium, Tristagma, Triteleia, Tritonia, Trollius, Tropaeolum, Trudelia etc.
Ts	Tsuga etc.
Tu	Tulbaghia, Tulipa, Turraea etc.
Tw	Tweedia etc.
Ty	Typhonium etc.
Ua
Ul	Ulex, Ulmus etc.
Um	Umbilicus etc.
Un
Ur	Urtica etc.
Us
Ut	Utricularia etc.
Uv	Uvularia etc.
Va	Vaccinium, Valeriana, Vanda, Vanilla etc.
Ve	Veltheimia, Verbascum, Verbena, Veronica, Vestia etc.
Vi	Viburnum, Victoria, Vinca, Viola, Vitex, Vitis etc.
Vo
Vr	Vriesia etc.
Vu
Wa	Wachendorfia, Wahlenbergia, Wattakaka etc.
We	Weigela, Weldenia, Welwitschia etc.
Wh	Whiteheadia etc.
Wi	Wisteria etc.
Wo	Wollemia etc.
Wr
Wu
Xa	Xanthorrhoea, Xanthosoma etc.
Xe	Xenophya, Xeronema etc.
Yu	Yucca etc.
Za	Zalusianskya, Zamia, Zantedeschia, Zauschneria etc.
Ze	Zephyranthes etc.
Zi	Zingiber, Zoysia, Zygopetalum etc.