| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| TEAXL | Tetradymia axillaris A. Nels. var. longispina (M.E. Jones) Strother | longspine horsebrush | Asteraceae
|
| TEAX | Tetradymia axillaris A. Nels. | longspine horsebrush | Asteraceae
|
| TECAI | Tetradymia canescens DC. var. inermis (Rydb.) Payson | Tetradymia canescens | Asteraceae
|
| TECA2 | Tetradymia canescens DC. | spineless horsebrush | Asteraceae
|
| TECOT | Tetradymia comosa Gray ssp. tetrameres Blake | Tetradymia tetrameres | Asteraceae
|
| TECO2 | Tetradymia comosa Gray | hairy horsebrush | Asteraceae
|
| TEFI | Tetradymia filifolia Greene | threadleaf horsebrush | Asteraceae
|
| TEGL | Tetradymia glabrata Torr. & Gray | littleleaf horsebrush | Asteraceae
|
| TENU2 | Tetradymia nuttallii Torr. & Gray | Nuttall's horsebrush | Asteraceae
|
| TERA4 | Tetradymia ramosissima Torr. | Psathyrotes ramosissima | Asteraceae
|
| TESPL | Tetradymia spinosa Hook. & Arn. var. longispina M.E. Jones | Tetradymia axillaris var. longispina | Asteraceae
|
| TESP2 | Tetradymia spinosa Hook. & Arn. | shortspine horsebrush | Asteraceae
|
| TEST2 | Tetradymia stenolepis Greene | Mojave cottonthorn | Asteraceae
|
| TETE4 | Tetradymia tetrameres (Blake) Strother | fourpart horsebrush | Asteraceae
|
| TETRA3 | Tetradymia DC. | horsebrush | Asteraceae
|
| TEMO2 | Tetragamestus modestus Reichenb. f. | Scaphyglottis modesta | Orchidaceae
|
| TEBA | Tetragastris balsamifera (Sw.) Oken | masa | Burseraceae
|
| TETRA4 | Tetragastris Gaertn. | tetragastris | Burseraceae
|
| TEEX | Tetragonia expansa Murr. | Tetragonia tetragonioides | Aizoaceae
|
| TETE3 | Tetragonia tetragonioides (Pallas) Kuntze | New Zealand spinach | Aizoaceae
|
| TETRA9 | Tetragonia L. | tetragonia | Aizoaceae
|
| TEPU6 | Tetragonolobus purpureus Moench | winged pea | Fabaceae
|
| TETRA18 | Tetragonolobus Scop. | tetragonolobus | Fabaceae
|
| TEHE2 | Tetragonotheca helianthoides L. | pineland nerveray | Asteraceae
|
| TELU | Tetragonotheca ludoviciana (Torr. & Gray) Gray ex Hall | Louisiana nerveray | Asteraceae
|
| TERE2 | Tetragonotheca repanda (Buckl.) Small | showy nerveray | Asteraceae
|
| TETE2 | Tetragonotheca texana Engelm. & Gray ex Gray | squarebud daisy | Asteraceae
|
| TETRA5 | Tetragonotheca L. | nerveray | Asteraceae
|
| TEFI4 | Tetralophozia filiformis (Steph.) Urmi | | Jungermanniaceae
|
| TESE7 | Tetralophozia setiformis (Ehrh.) Schljakov | | Jungermanniaceae
|
| TETRA22 | Tetralophozia (R. M. Schust.) Schljakov | | Jungermanniaceae
|
| TEHI | Tetramerium hispidum Nees | Tetramerium nervosum | Acanthaceae
|
| TENEH | Tetramerium nervosum Nees var. hispidum (Nees) Torr. | Tetramerium nervosum | Acanthaceae
|
| TENE | Tetramerium nervosum Nees | hairy fournwort | Acanthaceae
|
| TEPL | Tetramerium platystegium Torr. | Yeatesia platystegia | Acanthaceae
|
| TETRA6 | Tetramerium Nees | tetramerium | Acanthaceae
|
| TECA4 | Tetramicra canaliculata (Aubl.) Urban | serpentine wallflower orchid | Orchidaceae
|
| TEEL2 | Tetramicra elegans (Hamilton) Cogn. | Tetramicra canaliculata | Orchidaceae
|
| TETRA8 | Tetramicra Lindl. | wallflower orchid | Orchidaceae
|
| TEAR2 | Tetramolopium arbusculum (Gray) Sherff | Tetramolopium lepidotum ssp. arbusculum | Asteraceae
|
| TEARA2 | Tetramolopium arenarium (Gray) Hbd. ssp. arenarium var. arenarium | Maui tetramolopium | Asteraceae
|
| TEARC | Tetramolopium arenarium (Gray) Hbd. ssp. arenarium var. confertum Sherff | Maui tetramolopium | Asteraceae
|
| TEARA | Tetramolopium arenarium (Gray) Hbd. ssp. arenarium | Maui tetramolopium | Asteraceae
|
| TEARL | Tetramolopium arenarium (Gray) Hbd. ssp. laxum Lowrey | Maui tetramolopium | Asteraceae
|
| TEARD | Tetramolopium arenarium (Gray) Hbd. var. dentatum Hbd. | Tetramolopium arenarium ssp. laxum | Asteraceae
|
| TEAR3 | Tetramolopium arenarium (Gray) Hbd. | Maui tetramolopium | Asteraceae
|
| TECA6 | Tetramolopium calcisabulorum (St. John) St. John | Tetramolopium rockii var. calcisabulorum | Asteraceae
|
| TECA7 | Tetramolopium capillare (Gaud.) St. John | pamakani | Asteraceae
|
| TECOC | Tetramolopium consanguineum (Gray) Hbd. ssp. consanguineum | forest tetramolopium | Asteraceae
|
| TECOK | Tetramolopium consanguineum (Gray) Hbd. ssp. leptophyllum (Sherff) Lowrey var. kauense Lowrey | Kauai tetramolopium | Asteraceae
|
| TECOL2 | Tetramolopium consanguineum (Gray) Hbd. ssp. leptophyllum (Sherff) Lowrey var. leptophyllum Sherff | forest tetramolopium | Asteraceae
|
| TECOL | Tetramolopium consanguineum (Gray) Hbd. ssp. leptophyllum (Sherff) Lowrey | forest tetramolopium | Asteraceae
|
| TECO5 | Tetramolopium consanguineum (Gray) Hbd. | forest tetramolopium | Asteraceae
|
| TECOD | Tetramolopium conyzoides (Gray) Hbd. var. dentatum (Mann) Sherff | Tetramolopium conyzoides | Asteraceae
|
| TECO6 | Tetramolopium conyzoides (Gray) Hbd. | smallhead tetramolopium | Asteraceae
|
| TEFIF | Tetramolopium filiforme Sherff var. filiforme | ridgetop tetramolopium | Asteraceae
|
| TEFIP | Tetramolopium filiforme Sherff var. polyphyllum (Sherff) Lowrey | ridgetop tetramolopium | Asteraceae
|
| TEFI2 | Tetramolopium filiforme Sherff | ridgetop tetramolopium | Asteraceae
|
| TEHUH | Tetramolopium humile (Gray) Hbd. ssp. haleakalae Lowrey | Haleakalae tetramolopium | Asteraceae
|
| TEHUH3 | Tetramolopium humile (Gray) Hbd. ssp. humile var. humile | alpine tetramolopium | Asteraceae
|
| TEHUS2 | Tetramolopium humile (Gray) Hbd. ssp. humile var. sublaeve Sherff | alpine tetramolopium | Asteraceae
|
| TEHUH2 | Tetramolopium humile (Gray) Hbd. ssp. humile | alpine tetramolopium | Asteraceae
|
| TEHUS | Tetramolopium humile (Gray) Hbd. var. skottsbergii Sherff | Tetramolopium humile ssp. humile var. humile | Asteraceae
|
| TEHU | Tetramolopium humile (Gray) Hbd. | alpine tetramolopium | Asteraceae
|
| TELEA | Tetramolopium lepidotum (Less.) Sherff ssp. arbusculum (Gray) Lowrey | Waianae Range tetramolopium | Asteraceae
|
| TELEL2 | Tetramolopium lepidotum (Less.) Sherff ssp. lepidotum | Waianae Range tetramolopium | Asteraceae
|
| TELEL | Tetramolopium lepidotum (Less.) Sherff var. luxurians (Hbd.) Sherff | Tetramolopium lepidotum ssp. lepidotum | Asteraceae
|
| TELE2 | Tetramolopium lepidotum (Less.) Sherff | Waianae Range tetramolopium | Asteraceae
|
| TEPO2 | Tetramolopium polyphyllum Sherff | Tetramolopium filiforme var. polyphyllum | Asteraceae
|
| TERE3 | Tetramolopium remyi (Gray) Hbd. | Awalua Ridge tetramolopium | Asteraceae
|
| TEROC | Tetramolopium rockii Sherff var. calcisabulorum (St. John) Lowrey | dune tetramolopium | Asteraceae
|
| TEROR | Tetramolopium rockii Sherff var. rockii | dune tetramolopium | Asteraceae
|
| TERO | Tetramolopium rockii Sherff | dune tetramolopium | Asteraceae
|
| TESY | Tetramolopium sylvae Lowrey | seacliff tetramolopium | Asteraceae
|
| TETE5 | Tetramolopium tenerrimum (Less.) Nees | Oahu tetramolopium | Asteraceae
|
| TETRA16 | Tetramolopium Nees | tetramolopium | Asteraceae
|
| TEACA2 | Tetraneuris acaulis (Pursh) Greene var. acaulis | stemless four-nerve daisy | Asteraceae
|
| TEACA | Tetraneuris acaulis (Pursh) Greene var. arizonica (Greene) Parker | Arizona four-nerve daisy | Asteraceae
|
| TEACC | Tetraneuris acaulis (Pursh) Greene var. caespitosa A. Nels. | caespitose four-nerve daisy | Asteraceae
|
| TEACE | Tetraneuris acaulis (Pursh) Greene var. epunctata (A. Nels.) Kartesz, comb. nov. ined. | stemless four-nerve daisy | Asteraceae
|
| TEACN | Tetraneuris acaulis (Pursh) Greene var. nana (Welsh) Kartesz, comb. nov. ined. | stemless four-nerve daisy | Asteraceae
|
| TEAC | Tetraneuris acaulis (Pursh) Greene | stemless four-nerve daisy | Asteraceae
|
| TEAR4 | Tetraneuris argentea (Gray) Greene | perkysue | Asteraceae
|
| TEBR | Tetraneuris brandegeei (Porter ex Gray) Parker | Brandegee's four-nerve daisy | Asteraceae
|
| TEBR2 | Tetraneuris brevifolia Greene | Tetraneuris acaulis var. caespitosa | Asteraceae
|
| TEDE | Tetraneuris depressa (Torr. & Gray ex Gray) Greene | flat four-nerve daisy | Asteraceae
|
| TEFA2 | Tetraneuris fastigiata Greene | Tetraneuris scaposa var. scaposa | Asteraceae
|
| TEGL3 | Tetraneuris glabra (Nutt.) Greene | Tetraneuris scaposa var. scaposa | Asteraceae
|
| TEGR3 | Tetraneuris grandiflora (Torr. & Gray ex Gray) Parker | graylocks four-nerve daisy | Asteraceae
|
| TEHE4 | Tetraneuris herbacea Greene | eastern fournerved daisy | Asteraceae
|
| TEIV | Tetraneuris ivesiana Greene | Ives' fournerved daisy | Asteraceae
|
| TELIA | Tetraneuris linearifolia (Hook.) Greene var. arenicola Bierner | fineleaf fournerved daisy | Asteraceae
|
| TELIL | Tetraneuris linearifolia (Hook.) Greene var. linearifolia | fineleaf fournerved daisy | Asteraceae
|
| TELI3 | Tetraneuris linearifolia (Hook.) Greene | fineleaf fournerved daisy | Asteraceae
|
| TEMA2 | Tetraneuris mancosensis A. Nels. | Tetraneuris ivesiana | Asteraceae
|
| TEPI2 | Tetraneuris pilosa Cockerell | Tetraneuris ivesiana | Asteraceae
|
| TESCA | Tetraneuris scaposa (DC.) Greene var. argyrocaulon (Parker) Parker | stemmy four-nerve daisy | Asteraceae
|
| TESCL | Tetraneuris scaposa (DC.) Greene var. linearis (Nutt.) Parker | stemmy four-nerve daisy | Asteraceae
|
| TESCS | Tetraneuris scaposa (DC.) Greene var. scaposa | stemmy four-nerve daisy | Asteraceae
|
| TESCV | Tetraneuris scaposa (DC.) Greene var. villosa (Shinners) Shinners | villous four-nerve daisy | Asteraceae
|
| TESC2 | Tetraneuris scaposa (DC.) Greene | stemmy four-nerve daisy | Asteraceae
|