Streptocarpus saxorum
False African Violet
Strobilanthes alternata
Red-ivy
Strobilanthes reptans
Waffle Plant
Stromanthe thalia
Stuckenia pectinata
Fennel Pondweed
Stylosanthes guianensis
Stylo
Suaeda maritima
Annual Sea-blite
Succisa pratensis
Devil's-bit Scabious
Swietenia macrophylla
Mahogany
Swietenia macrphylla
Honduran Mahogany
Symphoricarpos albus
Snowberry
Symphyotrichum lanceolatum
Narrow-leaved Michaelmas-daisy
Symphytum asperum
Rough Comfrey
Symphytum officinale
Common Comfrey
Symphytum orientale
White Comfrey
Symphytum tuberosum
Tuberous Comfrey
Symphytum x hidcotense
Hidcote Comfrey
Symphytum x uplandicum
Russian Comfrey
Synedrella nodiflora
Nodeweed
Syngonium auritum
Arrowhead Vine
Syntrichia ruralis
Sand-hill Screw-moss
Syzygium samarangense
Wax Apple
Tabernaemontana alternifolia
East Indian Rosebay
Tabernaemontana divaricata
Carnation of India
Tacinga inamoena
Quipá
Tagetes lucida
Mexican Tarragon
Talinum fruticosum
Fameflower
Tamarix gallica
Tamarisk
Tamus communis
Black Bryony
Tanacetum parthenium
Feverfew
Tanacetum vulgare
Tansy
Taraxacum agg
Dandelion
Taraxacum agg.
Taraxacum britannicum
Taraxacum falcatum
Dandelion
Taraxacum 'iscanum'
Taraxacum luteum
Taraxacum palustre
Taraxacum porteri
Taraxacum richardsianum
Taraxacum Section Erythrosperma
Dandelion
Taraxacum Section Hamata
Dandelion
Taraxacum Section Ruderalia
Dandelion
Taraxacum subnaevosum
Targionia hypophylla
Orobus-seed Liverwort
Taxus baccata
Yew
Teesdalia nudicaulis
Shepherd's Cress
Tellima grandiflora
Fringecups
Tephroseris integrifolia
South Stack Fleawort
Tephrosia noctiflora
Terminalia bentzoe
Bois Benjoin
Terminalia catappa
Malabar almond
Terminalia mantaly
Madagascar Almond
Tetraphis pellucida
Pellucid Four-tooth Moss
Teucrium chamaedrys
Wall Germander
Teucrium scorodonia
Wood Sage
Thalictrum aquilegiifolium
French Meadow-rue
Thalictrum flavum
Common Meadow-rue
Thalictrum minus
Lesser Meadow-rue
Thamnobryum alopecurum
Fox-tail Feather-moss
Thelypteris dentata
Downy Maiden Fern
Thelypteris palustris
Marsh Fern
Theobroma cacao
Cocoa Tree
Thesium humifusum
Bastard-toadflax
Thlaspi arvense
Field Penny-cress
Thuidium tamariscinum
Common Tamarisk-moss
Thuja plicata
Western Red-cedar
Thunbergia grandiflora
Blue Skyflower
Thunbergia mysorensis
Mysore Trumpetvine
Thymus drucei
Wild Thyme