| Acalypha wilkesiana | Copperleaf | Euphorbiaceae | SH |
| Acorus gramineus | Sweet Flag | Acoraceae | SH |
| Adansonia digitata | Baobab | Bombacaceae | PH |
| Adiantum | Pteridaceae | PH | |
| Adiantum | Pteridaceae | SH | |
| Adiantum | Pteridaceae | SH | |
| Adiantum formosum | Australian Maidenhair | Pteridaceae | SH |
| Adromischus cristatus | Crinkle-Leaf Plant | Crassulaceae | SH |
| Aechmea fasciata | Urn Plant | Bromeliaceae | SH |
| Aeonium arboreum | Tree Aeonium | Crassulaceae | SH |
| Agave gypsophila | Agavaceae | SH | |
| Allamanda schottii | Bush Allamanda | Apocynaceae | SH |
| Aloe | Asphodelaceae | SH | |
| Aloe | Xanthorrhoeaceae | SH | |
| Aloe ciliaris | Asphodelaceae | SH | |
| Aloe jucunda | Asphodelaceae | SH | |
| Aloe vera | Aloe | Asphodelaceae | SH |
| Alpinia purpurata | Red Ginger | Zingiberaceae | PH |
| Alternanthera ficoidea | Red Thread, Josephs Coat | Amaranthaceae | SH |
| Amborella trichopoda | Amborellaceae | SH | |
| Amborella trichopoda | Amborella | Amborellaceae | SH |
| Amborella trichopoda | Amborellaceae | SH | |
| Amborella trichopoda | Amborellaceae | SH | |
| Amborella trichopoda | Amborellaceae | SH | |
| Amorphophallus laoticus | Voodoo Lily | Araceae | SH |
| Amorphophallus ongsakulii | Araceae | SH | |
| Amorphophallus paeoniifolius | Elephant Foot Yam | Araceae | SH |
| Amorphophallus titanum | Titan Arum | Araceae | PH |
| Amorphophallus titanum | Titan Arum (Wee Stinky) | Araceae | PH |
| Ananas comosus | Pineapple | Bromeliaceae | SH |
| Angraecum bosseri | Darwin's Star Orchid | Orchidaceae | PH |
| Angraecum magdalenae | Madalaine's Angraecum | Orchidaceae | SH |
| Annona glabra | Pond Apple | Annonaceae | PH |
| Anomochloa marantoidea | Herbaceous Bamboo | Poaceae | SH |
| Anthurium scandens | Pearl Laceleaf | Araceae | SH |
| Anthurium andraeanum | Flamingo Lily | Araceae | PH |
| Anthurium radicans | Araceae | SH | |
| Anthurium scandens? | Araceae | SH | |
| Aporocactus flagelliformis | Rattail Cactus | Cactaceae | SH |
| Aporocactus flagelliformis | Cactaceae | SH | |
| Ardisia crenata | Coral Ardisia | Myrsinaceae | SH |
| Aristolochia | Aristolochiaceae | SH | |
| Aristolochia | Aristolochiaceae | SH | |
| Aristolochia fimbrata | Dutchman's Pipe | Aristolochiaceae | SH |
| Aristolochia gigantea | Giant Dutchman's Pipe | Aristolochiaceae | SH |
| Aristolochia gigantea | Giant Dutchman's Pipe | Aristolochiaceae | SH |
| Aristolochia gigantea | Aristolochiaceae | SH | |
| Aristolochia littoralis | Aristolochiaceae | SH | |
| Aristolochia oblongata | Aristolochiaceae | SH | |
| Asparagus asparagoides | Bridal Creeper | Asparagaceae | SH |
| Asparagus densiflorus | Asparagus Fern | Asparagaceae | SH |
| Asplenium nidus | Bird's Nest Fern | Aspleniaceae | SH |
| Aucuba japonica | Japanese Laurel | Aucubaceae | SH |
| Bougainvillea spectabilis | Great Bougainvillea | Nyctaginaceae | SH |
| Bowiea volubilis | Sea Onion | Asparagaceae | SH |
| Brasiliopuntia brasiliensis | Cactaceae | SH | |
| Brassavola cucullata | Daddy Long-Legs Orchid | Orchidaceae | SH |
| Brassia verrucosa | Warty Brassia | Orchidaceae | SH |
| Brownea macrophylla | Fabaceae | PH | |
| Bulbophyllum lobbii | Lobb's Bulbophyllum | Orchidaceae | SH |
| Bulbophyllum x Jersey | Orchidaceae | PH | |
| Bulbophyllum x Jersey | Orchidaceae | SH | |
| Bursera simaruba | Gumbo Limbo | Burseraceae | PH |
| Calliandra hirsuta | Powder Puff | Fabaceae | SH |
| Callisia fragrans | Basket Plant, Inch Plant | Commelinaceae | SH |
| Callisia elegans | Roseling | Commelinaceae | SH |
| Calophyllum inophyllum | Beauty Leaf | Calophyllaceae | PH |
| Camellia | Theaceae | SH | |
| Camellia sasanqua | Sasanqua Camellia | Theaceae | SH |
| Campyloneurum | Polypodiaceae | PH | |
| Canna glauca | Canna | Cannaceae | SH |
| Canna glauca/ indica | Indian Shot | Cannaceae | SH |
| Carissa macrocarpa | Natal Plum | Apocynaceae | SH |
| Carludovica palmata | Panama Hat Palm | Cyclanthaceae | PH |
| Catasetum planiceps | Smooth Head Catasetum | Orchidaceae | SH |
| Catharanthus roseus | Madagascar Periwinkle | Apocynaceae | SH |
| Cattleya | Orchidaceae | SH | |
| Cattleya aclandiae | Lady Ackland's Cattleya | Orchidaceae | SH |
| Ceiba insignis | White Floss Silk Tree | Bombacaceae | PH |
| Ceiba speciosa | Silk Floss Tree | Bombacaceae | PH |
| Cephalocereus senilis | Old Man Cactus, Bernie Cactus |
Cactaceae | SH |
| Ceropegia linearis | String of Hearts | Apocynaceae | SH |
| Ceropegia linearis | Apocynaceae | SH | |
| Cestrum elegans | Purple Cestrum | Solanaceae | SH |
| Cestrum nocturnum | Night-Blooming Jasmine | Solanaceae | SH |
| Chamaedorea | Arecaceae | SH | |
| Chamaedorea metallica? | Arecaceae | PH | |
| Chamaedorea seifrizii | Bamboo Palm | Arecaceae | PH |
| Cheilanthes | Pteridaceae | SH | |
| Chlorophytum comosum | Spider Plant | Agavaceae | SH |
| Cissus antarctica | Kangaroo Vine | Vitaceae | SH |
| Citrus limon | Lemon | Rutaceae | SH |
| Clerodendrum thomsoniae | Bleeding Heart Vine | Lamiaceae | SH |
| Clitoria ternatea | Asian Pigeonwings, Cordofan Pea | Fabaceae | SH |
| Clivia miniata | Natal Lily | Amaryllidaceae | SH |
| Clusia rosea | Balsam Apple, Autograph Tree, Credit Card Leaf |
Clusiaceae | PH |
| Codonanthe devosiana | Gesneriaceae | SH | |
| Coffea arabica | Coffee | Rubiaceae | PH |
| Coix lacryma-jobi | Job's Tears | Poaceae | SH |
| Combretum indicum | Wrangling Creeper | Combretaceae | PH |
| Coryphantha | Cactaceae | SH | |
| Crassula arborescens | Silver Jade | Crassulaceae | SH |
| Crassula falcata | Airplane Plant | Crassulaceae | SH |
| Crassula muscosa | Crassulaceae | SH | |
| Crassula ovata | Jade Plant | Crassulaceae | SH |
| Crassula ovata | Jade Plant | Crassulaceae | SH |
| Crassula perforata | Necklace Vine | Crassulaceae | SH |
| Crassula rupestris | Crassulaceae | SH | |
| Crossandra infudibuliformis | Firecracker Flower | Acanthaceae | SH |
| Curculigo capitulata | Palm Grass | Hypoxidaceae | PH |
| Curio radicans | String of Bananas | Asteraceae | SH |
| Curio repens | Blue Chalksticks | Asteraceae | SH |
| Cynanchum viminale | Apocynaceae | SH | |
| Cynastrum cordifolium | Tecophilaeaceae | PH | |
| Cyperus | Cyperaceae | SH | |
| Cyrtomium falcatum | Holly Fern | Dryopteridaceae | SH |
| Dendrobium bifalce | Two Sickles Dendrobium | Orchidaceae | SH |
| Dendrobium lindleyi | Orchidaceae | PH | |
| Dendrobium multiflorum | Orchidaceae | SH | |
| Dionaea muscipula | Venus Flytrap | Droseraceae | SH |
| Dioon edulis | Chestnut Dioon | Zamiaceae | PH |
| Dischidia ruscifolia | Million Hearts | Apocynaceae | SH |
| Disocactus anguliger | Fishbone Cactus | Cactaceae | SH |
| Dizygotheca aralioides | Wheel Tree | Araliaceae | SH |
| Dorstenia contrajerva | Torus Herb | Moraceae | SH |
| Dracaena surculosa | Gold Dust Dracaena | Dracaenaceae | SH |
| Drosera binata | Forked-Leaf Sundew | Droseraceae | SH |
| Drosera capensis | Cape Sundew | Droseraceae | SH |
| Drosera spathulata | Droseraceae | SH | |
| Echeveria pallida | Argentine Echeveria | Crassulaceae | SH |
| Echeveria runyonii | Crassulaceae | SH | |
| Echinocactus grusonii | Golden Barrel Cactus | Cactaceae | SH |
| Elephantorrhiza elephantina | Elephants Root | Fabaceae | SH |
| Elephantorrhiza elephantina | Elephants Root | Fabaceae | SH |
| Elephantorrhiza goetzii | Fabaceae | PH | |
| Encephalartos trispinosus | Zamiaceae | SH | |
| Epipremnum aureum | Golden Pothos | Araceae | SH |
| Equisetum | Scouring Rush | Equisetaceae | SH |
| Equisetum hyemale | Horsetail | Equisetaceae | SH |
| Eranthemum pulchellum | Blue Sage | Acanthaceae | SH |
| Eugenia uniflora | Surinam Cherry | Myrtaceae | SH |
| Euonymus japonica | Evergreen Euonymus | Celastraceae | SH |
| Euphorbia flanaganii | Medusa's Head | Euphorbiaceae | SH |
| Euphorbia leuconeura | White Crown of Thorns | Euphorbiaceae | SH |
| Euphorbia lugardiae | Euphorbiaceae | SH | |
| Euphorbia mauritanica | Golden Spurge | Euphorbiaceae | SH |
| Euphorbia meloformis? | Euphorbiaceae | SH | |
| Euphorbia millii | Euphorbiaceae | SH | |
| Euphorbia platyclada | Euphorbiaceae | SH | |
| Euphorbia ritchiei | Euphorbiaceae | SH | |
| Euphorbia tithymaloidies | Devil's Backbone | Euphorbiaceae | SH |
| Euphorbia xylophlloides | Milk-Bush | Euphorbiaceae | SH |
| Faucaria tigrina | Tiger's Jaw | Aizoaceae | SH |
| Ferocactus | Cactaceae | SH | |
| Ferocactus glaucescens | Cactaceae | SH | |
| Ferocactus glaucescens | Cactaceae | SH | |
| Ferocactus latispinus | Cactaceae | SH | |
| Ficus deltoidea | Mistletoe Fig | Moraceae | SH |
| Ficus religiosa | Bo Tree, Peepul Tree | Moraceae | PH |
| Ficus rubiginosa | Rusty Fig | Moraceae | PH |
| Flagellaria indica | Bush Cane | Flagellariaceae | PH |
| Fouquieria | Fouquieriaceae | SH | |
| Freycinetia multiflora | Climbing Pandanus | Pandanaceae | PH |
| Galphimia glauca | Thryallis | Malpighiaceae | SH |
| Gasteria | Xanthorrhoeaceae | SH | |
| Gasteria | Xanthorrhoeaceae | SH | |
| Gasteria carinata | Keeled Gasteria | Xanthorrhoeaceae | SH |
| Geogenanthus poeppigii | Commelinaceae | SH | |
| Globba schomburgkii | Dancing Girl Ginger | Zingiberaceae | SH |
| Gnetum gnemon | Melinjo, Gnetum | Gnetaceae | PH |
| Gnetum woodsonianum | Gnetaceae | PH | |
| Gongora erecta | Orchidaceae | SH | |
| Gongora galeata | Helmut Gongora | Orchidaceae | PH |
| Gongora leucochila | White Lipped Gongora | Orchidaceae | SH |
| Gongora minax | Gongora | Orchidaceae | SH |
| Gongora unicolor | One-Colored Gongora | Orchidaceae | SH |
| Graptopetalum paraguayense | Mother-of-Pearl Plant | Crassulaceae | SH |
| Grewia occidentalis | Crossberry | Malvaceae | SH |
| Guihaia argyrata | Silver-Back Fan Palm | Arecaceae | PH |
| Guihaia argyrata | Silver-Back Fan Palm | Arecaceae | PH |
| Gymnocalycium pflanzii | Cactaceae | SH | |
| Gynura aurantiaca | Asteraceae | SH | |
| Hamatocactus hamatacanthus | Cactaceae | SH | |
| Harpullia pendula | Sapindaceae | PH | |
| Hatiora salicornioides | Dancing Bones Cactus | Cactaceae | SH |
| Haworthia | Asphodelaceae | SH | |
| Haworthia | Asphodelaceae | SH | |
| Haworthia | Asphodelaceae | SH | |
| Haworthia attenuata | Zebra Haworthia | Xanthorrhoeaceae | SH |
| Haworthia cooperi | Xanthorrhoeaceae | SH | |
| Haworthia truncata | Xanthorrhoeaceae | SH | |
| Haworthia turgida | Xanthorrhoeaceae | SH | |
| Haworthiopsis glauca | Xanthorrhoeaceae | SH | |
| Hawthoria | Asphodelaceae | SH | |
| Hedera helix | Common Ivy, English Ivy | Araliaceae | SH |
| Hedera helix | Common Ivy, English Ivy | Araliaceae | SH |
| Hedera helix | English Ivy | Araliaceae | SH |
| Hedychium coronarium | Ginger Lily | Zingiberaceae | SH |
| Hippeastrum | Amaryllis | Amaryllidaceae | SH |
| Hoya | Apocynaceae | SH | |
| Hoya multiflora | Shooting Star Hoya | Apocynaceae | SH |
| Hoya pubicalyx | Wax Plant | Apocynaceae | SH |
| Huernia macrocarpa | Asclepiadaceae | SH | |
| Hymenocallis | Spider Lily | Amaryllidaceae | SH |
| Hypericum | Hypericaceae | SH | |
| Illicium anisatum | Star Anise | Schisandraceae | PH |
| Isachne Globosa | Poaceae | SH | |
| Ixora coccinea | Flame of the Woods | Rubiaceae | SH |
| Jasminum sambac | Arabian Jasmine | Oleaceae | SH |
| Juncus | Rush | Juncaceae | SH |
| Kalanchoe | Crassulaceae | SH | |
| Kalanchoe beharensis | Velvet Elephant Ear | Crassulaceae | SH |
| Kalanchoe delagoensis | Mother of Thousands | Crassulaceae | SH |
| Kalanchoe fedtschenkoi | Crassulaceae | SH | |
| Kalanchoe luciae | Paddle Plant, Red Pancakes | Crassulaceae | SH |
| Kalanchoe synsepala | Walking Kalanchoe | Crassulaceae | SH |
| Kalanchoe tomentosa | Panda Plant | Crassulaceae | SH |
| Kedrostris africana | Cucurbitaceae | SH | |
| Laurus nobilis | Bay Laurel, Bay Leaf | Lauraceae | SH |
| Leea guineensis | Leeaceae | PH | |
| Lepismium houlletianum | Cactaceae | SH | |
| Lygodium japonicum | Japanese Climbing Fern | Lygodiaceae | PH |
| Magnolia figo | Banana Shrub | Magnoliaceae | SH |
| Malpighia glabra | Barbados Cherry | Malpighiaceae | PH |
| Mammillaria albilanata | Pincushion Cactus | Cactaceae | SH |
| Mammillaria decipiens | Cactaceae | SH | |
| Mammillaria magnifica | Cactaceae | SH | |
| Mammillaria prolifera | Nipple Cactus | Cactaceae | SH |
| Maranta leuconeura | Prayer Plant | Marantaceae | SH |
| Marcgravia rectiflora | Shingle Vine | Magraviaceae | SH |
| Marchantia polymorpha? | Liverwort | Marchantiaceae | SH |
| Marsilea mutica | Water Fern | Marsileaceae | SH |
| Melicoccus bijugatus | Spanish Lime | Sapindaceae | PH |
| Melocactus oreas | Turk's Cap | Cactaceae | SH |
| Monstera deliciosa | Swiss Cheese Plant | Araceae | PH |
| Mormolyca ringens | Rigid Mormolyca | Orchidaceae | SH |
| Murraya paniculata | Orange Jasmine | Rutaceae | SH |
| Myrciaria cauliflora | Jabuticaba | Myrtaceae | PH |
| Neomarica candida | Walking Iris | Iridaceae | SH |
| Nepenthes x coccinea | Nepenthaceae | SH | |
| Nepenthes x ventrata | Pitcher Plant | Nepenthaceae | SH |
| Nerium oleander | Oleander | Apocynaceae | PH |
| Nerium oleander | Oleander | Apocynaceae | SH |
| Nicotiana glauca | Tree Tobacco | Solanaceae | SH |
| Ochna serrulata | Mickey Mouse Plant | Ochnaceae | SH |
| Odontonema strictum | Firespike | Acanthaceae | SH |
| Ornithogalum longibracteatum | Pregnant Onion | Asparagaceae | SH |
| Oxalis | Oxalidaceae | SH | |
| Pachyphytum | Crassulaceae | SH | |
| Pachyphytum oviferum | Moonstone Plant | Crassulaceae | SH |
| Pachyphytum compactum | Crassulaceae | SH | |
| Pachypodium | Apocynaceae | SH | |
| Pachypodium | Apocynaceae | SH | |
| Pachypodium | Halfmens | Apocynaceae | SH |
| Pachypodium baronii | Bontaka | Apocynaceae | SH |
| Pachypodium lamerei | Apocynaceae | SH | |
| Pachypodium rosulatum | Elephant's Foot Plant | Apocynaceae | SH |
| Pachypodium rosulatum | Bontaka | Apocynaceae | SH |
| Pachypodium rutenbergianum | Apocynaceae | SH | |
| Pachypodium saundersii | Kudu Lily | Apocynaceae | SH |
| Pachypodium sofiense | Apocynaceae | SH | |
| Pachypodium succulentum | Apocynaceae | SH | |
| Pachypodium succulentum | Apocynaceae | SH | |
| Passiflora | Passifloraceae | SH | |
| Passiflora | Passifloraceae | SH | |
| Passiflora | Passifloraceae | SH | |
| Passiflora | Passifloraceae | SH | |
| Passiflora | Passifloraceae | SH | |
| Passiflora | Passifloraceae | SH | |
| Passiflora affinis | Bracted Passionflower | Passifloraceae | SH |
| Passiflora araujoi | Passifloraceae | SH | |
| Passiflora biflora | Two-Flowered Passionflower | Passifloraceae | SH |
| Passiflora caerulea | Passifloraceae | SH | |
| Passiflora coriacea | Batwing Passionflower | Passifloraceae | SH |
| Passiflora foetida | Stinking Passionflower | Passifloraceae | SH |
| Passiflora pallens | Pineland Passionflower | Passifloraceae | SH |
| Pelargonium | Geraniaceae | SH | |
| Pelargonium crispum | Lemon Scented Geranium | Geraniaceae | SH |
| Pelargonium sidoides | Geraniaceae | SH | |
| Pellionia repens | Watermelon Pellonia | Urticaceae | PH |
| Peperomia | Piperaceae | SH | |
| Peperomia clusiifolia | Jelly Peperomia | Piperaceae | SH |
| Peperomia ferreyrae | Piperaceae | SH | |
| Peperomia polybotrya | Coin-Leaf Peperomia | Piperaceae | SH |
| Peperomia rubella | Rubella Peperomia | Piperaceae | SH |
| Pepperomia | Piperaceae | SH | |
| Pepperomia | Piperaceae | SH | |
| Pereskia aculeata? | Cactaceae | SH | |
| Pereskia grandifolia | Rose Cactus | Cactaceae | SH |
| Persicaria capitata | Pinkhead Smartweed | Polygonaceae | SH |
| Phalaenopsis | Orchidaceae | PH | |
| Phalaenopsis lueddemanniana | Lueddemann's Phalaenopsis | Orchidaceae | SH |
| Phalaenopsis mannii | Mann's Phalaenopsis | Orchidaceae | SH |
| Philodendron bipennifolium | Araceae | PH | |
| Philodendron bipennifolium | Araceae | PH | |
| Philodendron mamei | Araceae | PH | |
| Philodendron martianum | Flask Philodendron | Araceae | PH |
| Pilea depressa | Depressed Clearweed | Urticaceae | SH |
| Pilea involucrata | Friendship Plant | Urticaceae | SH |
| Pilea microphylla | Rockweed, Artillery Plant | Urticaceae | SH |
| Pilea spruceana | Aluminum Plant | Urticaceae | SH |
| Pinellia purpurea | Green Dragon | Araceae | SH |
| Pinguicula laueana | Butterwort | Lentibulariaceae | SH |
| Piper methysticum | Kava | Piperaceae | PH |
| Platycerium | Staghorn Fern | Polypodiaceae | PH |
| Plectranthus ernestii | Bonsai Mint | Lamiaceae | SH |
| Plectranthus prostratus | Pillow Plant | Lamiaceae | SH |
| Plectranthus venteri | Sekukuni Spurflower | Lamiaceae | SH |
| Podocarpus gracilior | Weeping Podocarpus | Podocarpaceae | SH |
| Podocarpus macrophyllus | Yew Plum Pine | Podocarpaceae | SH |
| Polypodium | Polypodiaceae | SH | |
| Polyscias fruticosa | Araliaceae | SH | |
| Pothos cf. cylindricus | Araceae | SH | |
| Pseuderanthemum longifolium | Orchid Bush | Acanthaceae | SH |
| Pseudobombax ellipticum | Shaving Brush Tree | Bombacaceae | PH |
| Pyrrosia lingua | Felt Fern | Polypodiaceae | SH |
| Quercus ilex | Holly Oak, Holm Oak | Fagaceae | PH |
| Restrepia | Orchidaceae | PH | |
| Rhapis | Arecaceae | PH | |
| Rhapis excelsa | Arecaceae | PH | |
| Rhipsalis | Cactaceae | SH | |
| Rhipsalis | Cactaceae | SH | |
| Rhipsalis pentaptera | Mistletoe Cactus | Cactaceae | SH |
| Rhoeo spathacea | Oyster Plant | Commelinaceae | SH |
| Rivina humilis | Pigeon Berry | Phytolaccaceae | SH |
| Rivina humilis | Pigeon Berry | Phytolaccaceae | PH |
| Rosmarinus officinalis | Rosemary | Lamiaceae | SH |
| Rubia tinctorum | Common Madder | Rubiaceae | SH |
| Ruellia makoyana | Monkey Plant | Acanthaceae | PH |
| Ruschia | Aizoaceae | SH | |
| Russelia equisetiformis | Fountainbrush, Coral Fountain | Plantaginaceae | SH |
| Samanea tubulosa | Saman Tree | Fabaceae | PH |
| Sansevieria | Asparagaceae | PH | |
| Sansevieria parva | Asparagaceae | SH | |
| Sarracenia | Sarraceniaceae | SH | |
| Sarracenia | Sarraceniaceae | SH | |
| Schefflera arboricola | Dwarf Umbrella Tree | Araliaceae | SH |
| Sedum adolphi | Crassulaceae | SH | |
| Sedum hernandezii | Jellybean Plant | Crassulaceae | SH |
| Sedum morganianum | Crassulaceae | SH | |
| Sedum morganianum | Burrito Sedum | Crassulaceae | SH |
| Sedum pachyphyllum | Many Fingers, Jellybeans | Crassulaceae | SH |
| Selaginella | Spike Moss | Selaginellaceae | SH |
| Selenicereus chrysocardium | Fern-Leaf Cactus | Cactaceae | SH |
| Senecio articulatus | Candle Plant | Asteraceae | SH |
| Sequioa semperivens | Coastal Redwood | Cupressaceae | SH |
| Sequoia sempervirens | Coastal Redwood | Cupressaceae | SH |
| Serissa japonica | Serissa | Rubiaceae | SH |
| Seyrigia humbertii | Cucurbitaceae | SH | |
| Sinningia | Gesneriaceae | SH | |
| Sinningia | Gesneriaceae | SH | |
| Solanum diphyllum | Twoleaf Nightshade | Solanaceae | SH |
| Spathicarpa sagittifolia | Worm Plant, Fruit Sheath Plant | Araceae | SH |
| Spathiphyllum floribundum | Peace Lily | Araceae | PH |
| Spathiphyllum humboldtii | Peace Lily | Araceae | PH |
| Stanhopea | Orchidaceae | SH | |
| Stanhopea | Orchidaceae | SH | |
| Stanhopea anfracta | Bent Stanhopea | Orchidaceae | PH |
| Stanhopea embreei | Embre's Stanhopea | Orchidaceae | SH |
| Stanhopea florida | Flowering Stanhopea | Orchidaceae | SH |
| Stanhopea grandiflora | Large Flowered Stanhopea | Orchidaceae | SH |
| Stanhopea graveolens | Fragrant Stanhopea | Orchidaceae | SH |
| Stanhopea impressa | Impressing Stanhopea | Orchidaceae | SH |
| Stanhopea jenischiana | Jenisch's Stanhopea | Orchidaceae | SH |
| Stanhopea platyceras | Blunt-Broad Horn Stanhopea | Orchidaceae | SH |
| Stanhopea saccata | Sack-Shaped Stanhopea | Orchidaceae | SH |
| Stanhopea tigrina | Tiger-Spotted Stanhopea | Orchidaceae | SH |
| Stanhopea tigrina | Tiger-Spotted Stanhopea | Orchidaceae | SH |
| Stapelia gigantea | Starfish Flower | Apocynaceae | SH |
| Stapelia hirsuta | Starfish Flower, Carrion Plant | Apocynaceae | SH |
| Stenocactus sulphureus | Cactaceae | SH | |
| Stenocereus eruca | Creeping Devil | Cactaceae | SH |
| Stenocereus pruinosus | Cactaceae | SH | |
| Strophanthus preussii | Medusa Flower, Poison arrow vine | Apocynaceae | SH |
| Swietenia humilis | Honduras Mahogany | Meliaceae | PH |
| Tectaria | Tectaria | Tectariaceae | SH |
| Thelocactus hexaedrophorus | Cactaceae | SH | |
| Theobroma cacao | Cacao | Malvaceae | SH |
| Theobroma cacao | Cocao | Malvaceae | SH |
| Tibouchina grandifolia | Princess Flower | Melastomataceae | PH |
| Tillandsia cyanea | Bromeliaceae | SH | |
| Tillandsia usneoides | Spanish Moss | Bromeliaceae | PH |
| Tradescantia | Commelinaceae | SH | |
| Tradescantia | Commelinaceae | SH | |
| Tradescantia geniculata | Tahitian Bridal Veil | Commelinaceae | SH |
| Tradescantia pallida | Commelinaceae | SH | |
| Tradescantia sillamontana | Cobweb Spiderwort | Commelinaceae | SH |
| Turnera ulmifolia | Yellow Alder | Turneraceae | SH |
| Vanilla planifolia | Vanilla Orchid | Orchidaceae | PH |
| Victoria | Giant Water Lily | Nymphaeaceae | PH |
| Welwitschia mirabilis | Welwitschia | Welwitschiaceae | SH |
| Welwitschia mirabilis | Welwitschia | Welwitschiaceae | SH |
| Welwitschia mirabilis | Welwitschia | Welwitschiaceae | SH |
| Xerosicyos danguyi | Silver Dollar Plant | Cucurbitaceae | SH |
| Xiphidium caeruleum | Palmita | Haemodoraceae | SH |
| xMiltassia dark star | Orchidaceae | SH | |
| Yucca gigantea | Bluestem Yucca | Asparagaceae | PH |
| Yucca nana | Dwarf Soapwort | Asparagaceae | SH |
| Zamia erosa | Zamiaceae | PH | |
| Zamia furfuracea | Cardboard Cycad | Zamiaceae | PH |
| Zamia integrifolia | Coontie | Zamiaceae | SH |
| Zamia nesophila? | Zamiaceae | PH | |
| Zamia vazquezii | Zamiaceae | SH | |
| Zamioculcas zamiifolia | Zanzibar Gem | Araceae | PH |