| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| TACA14 | Talinum calcaricum Ware | limestone fameflower | Portulacaceae
|
| TACA | Talinum calycinum Engelm. | largeflower fameflower | Portulacaceae
|
| TACH | Talinum chrysanthum Rose & Standl. | TransPecos fameflower | Portulacaceae
|
| TACO | Talinum confertiflorum Greene | New Mexico fameflower | Portulacaceae
|
| TAFR4 | Talinum fruticosum (L.) Juss. | Verdolaga-Francesa | Portulacaceae
|
| TAGO | Talinum gooddingii P. Wilson | Goodding's fameflower | Portulacaceae
|
| TAHU2 | Talinum humile Greene | Pinos Altos fameflower | Portulacaceae
|
| TALO | Talinum longipes Woot. & Standl. | pink fameflower | Portulacaceae
|
| TAMA | Talinum marginatum Greene | tepic fameflower | Portulacaceae
|
| TAME | Talinum mengesii W. Wolf | Menges' fameflower | Portulacaceae
|
| TAOK2 | Talinum okanoganense English | Talinum sediforme | Portulacaceae
|
| TAPAP | Talinum paniculatum (Jacq.) Gaertn. var. paniculatum | jewels of Opar | Portulacaceae
|
| TAPAS | Talinum paniculatum (Jacq.) Gaertn. var. sarmentosum (Engelm.) Poelln. | jewels of Opar | Portulacaceae
|
| TAPA2 | Talinum paniculatum (Jacq.) Gaertn. | jewels of Opar | Portulacaceae
|
| TAPA3 | Talinum parviflorum Nutt. | sunbright | Portulacaceae
|
| TAPO4 | Talinum portulacifolium (Forssk.) Asch. Ex Schweinf. | flameflower | Portulacaceae
|
| TAPU | Talinum pulchellum Woot. & Standl. | showy fameflower | Portulacaceae
|
| TAPY | Talinum pygmaeum Gray | Lewisia pygmaea | Portulacaceae
|
| TARE2 | Talinum reflexum Cav. | Talinum paniculatum var. paniculatum | Portulacaceae
|
| TARU | Talinum rugospermum Holz. | prairie fameflower | Portulacaceae
|
| TASE | Talinum sediforme Poelln. | Okanogan fameflower | Portulacaceae
|
| TASP | Talinum spinescens Torr. | spiny fameflower | Portulacaceae
|
| TATE | Talinum teretifolium Pursh | quill fameflower | Portulacaceae
|
| TATH | Talinum thompsonii Atwood & Welsh | Cedar Mountain fameflower | Portulacaceae
|
| TATR2 | Talinum triangulare (Jacq.) Willd. | Talinum fruticosum | Portulacaceae
|
| TAVA | Talinum validulum Greene | Tusayan fameflower | Portulacaceae
|
| TAYO | Talinum youngiae C.H. Muller | Talinum pulchellum | Portulacaceae
|
| TALIN2 | Talinum Adans. | fameflower | Portulacaceae
|
| TABO3 | Tamala borbonia (L.) Raf. | Persea borbonia | Lauraceae
|
| TAHU3 | Tamala humilis (Nash) Small | Persea humilis | Lauraceae
|
| TALI | Tamala littoralis (Small) Small | Persea borbonia | Lauraceae
|
| TAPU4 | Tamala pubescens (Pursh) Small | Persea palustris | Lauraceae
|
| TAIN2 | Tamarindus indica L. | tamarind | Fabaceae
|
| TAMAR | Tamarindus L. | tamarind | Fabaceae
|
| TAAF | Tamarix africana Poir. | African tamarisk | Tamaricaceae
|
| TAAP | Tamarix aphylla (L.) Karst. | Athel tamarisk | Tamaricaceae
|
| TAAR6 | Tamarix aralensis Bunge | Russian tamarisk | Tamaricaceae
|
| TAAR3 | Tamarix articulata Vahl | Tamarix aphylla | Tamaricaceae
|
| TACA9 | Tamarix canariensis Willd. | Canary Island tamarisk | Tamaricaceae
|
| TACH2 | Tamarix chinensis Lour. | fivestamen tamarisk | Tamaricaceae
|
| TADI6 | Tamarix dioica Roxb. ex Roth | tamarisk | Tamaricaceae
|
| TAGA | Tamarix gallica L. | French tamarisk | Tamaricaceae
|
| TAPA4 | Tamarix parviflora DC. | smallflower tamarisk | Tamaricaceae
|
| TAPE | Tamarix pentandra Pallas | Tamarix chinensis | Tamaricaceae
|
| TARA | Tamarix ramosissima Ledeb. | saltcedar | Tamaricaceae
|
| TATE7 | Tamarix tetragyna C. Ehrenb. | | Tamaricaceae
|
| TATE5 | Tamarix tetrandra auct. non Pallas | Tamarix parviflora | Tamaricaceae
|
| TAMAR2 | Tamarix L. | tamarisk | Tamaricaceae
|
| TAAZ | Tamaulipa azurea (DC.) King & H.E. Robins. | blue boneset | Asteraceae
|
| TAMAU2 | Tamaulipa King & H.E. Robins. | boneset | Asteraceae
|
| TABO | Tamonea boxiana (Moldenke) Howard | crow broom | Verbenaceae
|
| TAGU | Tamonea guianensis Aubl. | Miconia mirabilis | Melastomataceae
|
| TAMA4 | Tamonea macrophylla (D. Don) Krasser | Miconia serrulata | Melastomataceae
|
| TASP5 | Tamonea spicata auct. non Sw. | Tamonea boxiana | Verbenaceae
|
| TAMON | Tamonea Aubl. | tamonea | Verbenaceae
|
| TABA | Tanacetum balsamita L. | Balsamita major | Asteraceae
|
| TABIB | Tanacetum bipinnatum (L.) Schultz-Bip. ssp. bipinnatum | Lake Huron tansy | Asteraceae
|
| TABIH | Tanacetum bipinnatum (L.) Schultz-Bip. ssp. huronense (Nutt.) Breitung | Lake Huron tansy | Asteraceae
|
| TABI | Tanacetum bipinnatum (L.) Schultz-Bip. | Lake Huron tansy | Asteraceae
|
| TACA2 | Tanacetum camphoratum Less. | camphor tansy | Asteraceae
|
| TACA15 | Tanacetum canum D.C. Eat. | Sphaeromeria cana | Asteraceae
|
| TACA13 | Tanacetum capitatum (Nutt.) Torr. & Gray | Sphaeromeria capitata | Asteraceae
|
| TACI2 | Tanacetum cinerariifolium (Trevir.) Schultz-Bip. | Chrysanthemum cinerariifolium | Asteraceae
|
| TACO3 | Tanacetum compactum Hall | Sphaeromeria compacta | Asteraceae
|
| TACO5 | Tanacetum corymbosum (L.) Schultz-Bip. | corymbflower tansy | Asteraceae
|
| TADI3 | Tanacetum diversifolium D.C. Eat. | Sphaeromeria diversifolia | Asteraceae
|
| TADO | Tanacetum douglasii DC. | Tanacetum camphoratum | Asteraceae
|
| TAHUB | Tanacetum huronense Nutt. var. bifarium Fern. | Tanacetum bipinnatum ssp. huronense | Asteraceae
|
| TAHUF | Tanacetum huronense Nutt. var. floccosum Raup | Tanacetum bipinnatum ssp. huronense | Asteraceae
|
| TAHUJ | Tanacetum huronense Nutt. var. johannense Fern. | Tanacetum bipinnatum ssp. huronense | Asteraceae
|
| TAHUT | Tanacetum huronense Nutt. var. terrae-novae Fern. | Tanacetum bipinnatum ssp. huronense | Asteraceae
|
| TAHU | Tanacetum huronense Nutt. | Tanacetum bipinnatum ssp. huronense | Asteraceae
|
| TANU2 | Tanacetum nuttallii Torr. & Gray | Sphaeromeria argentea | Asteraceae
|
| TAPA6 | Tanacetum parthenium (L.) Schultz-Bip. | feverfew | Asteraceae
|
| TAPON | Tanacetum potentilloides (Gray) Gray var. nitrophilum Cronq. | Sphaeromeria potentilloides var. nitrophila | Asteraceae
|
| TAPO3 | Tanacetum potentilloides (Gray) Gray | Sphaeromeria potentilloides var. potentilloides | Asteraceae
|
| TASE2 | Tanacetum serotinum (L.) Schultz-Bip. | Leucanthemella serotina | Asteraceae
|
| TASI | Tanacetum simplex A. Nels. | Sphaeromeria simplex | Asteraceae
|
| TASU2 | Tanacetum suaveolens (Pursh) Hook. | Matricaria discoidea | Asteraceae
|
| TAVUC | Tanacetum vulgare L. var. crispum DC. | Tanacetum vulgare | Asteraceae
|
| TAVU | Tanacetum vulgare L. | common tansy | Asteraceae
|
| TANAC | Tanacetum L. | tansy | Asteraceae
|
| TAHE2 | Taonabo heptasepala (Krug & Urban) Britt. | Ternstroemia heptasepala | Theaceae
|
| TALU2 | Taonabo luquillensis (Krug & Urban) Britt. | Ternstroemia luquillensis | Theaceae
|
| TAPA12 | Taonabo pachyphylla (Krug & Urban) Britt. | Ternstroemia stahlii | Theaceae
|
| TAPE5 | Taonabo peduncularis (DC.) Britt. | Ternstroemia peduncularis | Theaceae
|
| TAST2 | Taonabo stahlii (Krug & Urban) Britt. | Ternstroemia stahlii | Theaceae
|
| TASU | Taonabo subsessilis Britt. | Ternstroemia subsessilis | Theaceae
|
| TABI2 | Tapellaria bilimbioides R. Sant. | | Ectolechiaceae
|
| TAEP | Tapellaria epiphylla (Mull. Arg.) R. Sant. | | Ectolechiaceae
|
| TANA2 | Tapellaria nana (Fee) R. Sant. | | Ectolechiaceae
|
| TAPEL | Tapellaria Mull. Arg. | tapellaria | Ectolechiaceae
|
| TAKU | Taraktogenos kurzii King | Hydnocarpus kurzii | Flacourtiaceae
|
| TAOP2 | Taralea oppositifolia Aublet | opposite taralea | Fabaceae
|
| TARAL | Taralea Aublet | taralea | Fabaceae
|
| TAAL | Taraxacum alaskanum Rydb. | Taraxacum phymatocarpum | Asteraceae
|
| TAAMF | Taraxacum ambigens Fern. var. flutius Fern. | Taraxacum officinale ssp. ceratophorum | Asteraceae
|
| TAAM2 | Taraxacum ambigens Fern. | Taraxacum officinale ssp. ceratophorum | Asteraceae
|
| TAAM3 | Taraxacum amphiphron B�cher | Taraxacum officinale ssp. ceratophorum | Asteraceae
|
| TAAR5 | Taraxacum arcticum (Trautv.) Dahlst. | Taraxacum phymatocarpum | Asteraceae
|
| TAAR4 | Taraxacum arctogenum Dahlst. | Taraxacum officinale ssp. ceratophorum | Asteraceae
|