| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| TRPE2 | Trichomanes petersii Gray | dwarf bristle fern | Hymenophyllaceae
|
| TRPI4 | Trichomanes pinnatum Hedw. | tansy bristle fern | Hymenophyllaceae
|
| TRPO4 | Trichomanes polypodioides L. | jeweled bristle fern | Hymenophyllaceae
|
| TRPUF | Trichomanes punctatum Poir. ssp. floridanum W. Boer | dotted bristle fern | Hymenophyllaceae
|
| TRPUP | Trichomanes punctatum Poir. ssp. punctatum | dotted bristle fern | Hymenophyllaceae
|
| TRPUS | Trichomanes punctatum Poir. ssp. sphenoides (Kunze) W. Boer | dotted bristle fern | Hymenophyllaceae
|
| TRPU5 | Trichomanes punctatum Poir. | dotted bristle fern | Hymenophyllaceae
|
| TRPU13 | Trichomanes pusillum Sw. | sidesaddle bristle fern | Hymenophyllaceae
|
| TRPU14 | Trichomanes pusillum auct. non Sw. | Trichomanes angustifrons | Hymenophyllaceae
|
| TRRA3 | Trichomanes radicans Sw. | aerialroot bristle fern | Hymenophyllaceae
|
| TRRI3 | Trichomanes rigidum Sw. | stiff bristle fern | Hymenophyllaceae
|
| TRRO3 | Trichomanes robustum Fourn. | robust bristle fern | Hymenophyllaceae
|
| TRSA | Trichomanes saxifragoides K. Presl | Trichomanes minutum | Hymenophyllaceae
|
| TRSC | Trichomanes scandens L. | climbing bristle fern | Hymenophyllaceae
|
| TRSP4 | Trichomanes sphenoides Kunze | Trichomanes punctatum ssp. sphenoides | Hymenophyllaceae
|
| TRICH5 | Trichomanes L. | bristle fern | Hymenophyllaceae
|
| TREL | Trichoneura elegans Swallen | Silveus' grass | Poaceae
|
| TRICH6 | Trichoneura Anderss. | Silveus' grass | Poaceae
|
| TRAL7 | Trichophorum alpinum (L.) Pers. | alpine bulrush | Cyperaceae
|
| TRCA30 | Trichophorum caespitosum (L.) Hartman | tufted bulrush | Cyperaceae
|
| TRCE3 | Trichophorum cespitosum (L.) Hartman [orthographic variant] | Trichophorum caespitosum | Cyperaceae
|
| TRCL3 | Trichophorum clementis (M.E. Jones) S.G. Sm. | Yosemite bulrush | Cyperaceae
|
| TRCL4 | Trichophorum clintonii (Gray) S.G. Sm. | Clinton's bulrush | Cyperaceae
|
| TRPAC2 | Trichophorum palustre (L.) Farw. var. calvum (Torr.) House | Eleocharis erythropoda | Cyperaceae
|
| TRPL6 | Trichophorum planifolium (Spreng.) Palla | bashful bulrush | Cyperaceae
|
| TRPUR3 | Trichophorum pumilum (Vahl) Schinz & Thellung ssp. rollandii (Fern.) Taylor & MacBryde | Trichophorum pumilum | Cyperaceae
|
| TRPUR2 | Trichophorum pumilum (Vahl) Schinz & Thellung var. rollandii (Fern.) Hult�n | Trichophorum pumilum | Cyperaceae
|
| TRPU18 | Trichophorum pumilum (Vahl) Schinz & Thellung | Rolland's bulrush | Cyperaceae
|
| TRRO6 | Trichophorum rollandii (Fern.) Hult�n | Trichophorum pumilum | Cyperaceae
|
| TRICH22 | Trichophorum Pers. | bulrush | Cyperaceae
|
| TRTE7 | Trichophyllum tenue Farw. | Eleocharis tenuis var. tenuis | Cyperaceae
|
| TRIN2 | Trichoptilium incisum (Gray) Gray | yellowdome | Asteraceae
|
| TRICH8 | Trichoptilium Gray | trichoptilium | Asteraceae
|
| TRCR12 | Trichoramalina crinita (Tuck.) Rundel & Bowler | | Ramalinaceae
|
| TRICH17 | Trichoramalina Rundel & Bowler | trichoramalina | Ramalinaceae
|
| TRDU5 | Trichosalpinx dura (Lindl.) Luer | Colombian bonnet orchid | Orchidaceae
|
| TRICH24 | Trichosalpinx Luer | bonnet orchid | Orchidaceae
|
| TRAN14 | Trichosanthes anguina L. | snakegourd | Cucurbitaceae
|
| TRCU3 | Trichosanthes cucumerina L. | snakegourd | Cucurbitaceae
|
| TRDI7 | Trichosanthes dioica Roxb. | pointed gourd | Cucurbitaceae
|
| TRICH19 | Trichosanthes L. | trichosanthes | Cucurbitaceae
|
| TRLE8 | Trichospermum ledermannii Burret | | Tiliaceae
|
| TRRI9 | Trichospermum richii (Gray) Seem. | | Tiliaceae
|
| TRICH25 | Trichospermum Blume | | Tiliaceae
|
| TRAR | Trichostema arizonicum Gray | Arizona bluecurls | Lamiaceae
|
| TRAUA2 | Trichostema austromontanum F.H. Lewis ssp. austromontanum | San Jacinto bluecurls | Lamiaceae
|
| TRAUC | Trichostema austromontanum F.H. Lewis ssp. compactum F.H. Lewis | San Jacinto bluecurls | Lamiaceae
|
| TRAU | Trichostema austromontanum F.H. Lewis | San Jacinto bluecurls | Lamiaceae
|
| TRBR5 | Trichostema brachiatum L. | Isanthus brachiatus | Lamiaceae
|
| TRDIL | Trichostema dichotomum L. var. lineare (Walt.) Pursh | Trichostema setaceum | Lamiaceae
|
| TRDIP | Trichostema dichotomum L. var. puberulum Fern. & Grisc. | Trichostema dichotomum | Lamiaceae
|
| TRDI2 | Trichostema dichotomum L. | forked bluecurls | Lamiaceae
|
| TRLA3 | Trichostema lanatum Benth. | woolly bluecurls | Lamiaceae
|
| TRLA4 | Trichostema lanceolatum Benth. | vinegarweed | Lamiaceae
|
| TRLAR | Trichostema laxum Gray var. rubisepalum (Elmer) Jepson | Trichostema rubisepalum | Lamiaceae
|
| TRLA5 | Trichostema laxum Gray | turpentine weed | Lamiaceae
|
| TRLI5 | Trichostema lineare Walt. | Trichostema setaceum | Lamiaceae
|
| TRMI3 | Trichostema micranthum Gray | smallflower bluecurls | Lamiaceae
|
| TROB | Trichostema oblongum Benth. | oblong bluecurls | Lamiaceae
|
| TROV | Trichostema ovatum Curran | San Joaquin bluecurls | Lamiaceae
|
| TRPA3 | Trichostema parishii Vasey | Parish's bluecurls | Lamiaceae
|
| TRPI5 | Trichostema pilosum Roth | Trichostema dichotomum | Lamiaceae
|
| TRRU | Trichostema rubisepalum Elmer | Hernandez's bluecurls | Lamiaceae
|
| TRSE5 | Trichostema setaceum Houtt. | narrowleaf bluecurls | Lamiaceae
|
| TRSI | Trichostema simulatum Jepson | Siskiyou bluecurls | Lamiaceae
|
| TRSU6 | Trichostema suffrutescens Kearney | Florida scrub bluecurls | Lamiaceae
|
| TRICH9 | Trichostema L. | bluecurls | Lamiaceae
|
| TROC2 | Trichostigma octandrum (L.) H. Walt. | hoopvine | Phytolaccaceae
|
| TRICH11 | Trichostigma A. Rich. | alpine clubrush | Phytolaccaceae
|
| TRAUU | Trichostomopsis australasiae (Grev. & Hook.) Robins. var. umbrosus (C. M�ll.) Zand. | Trichostomopsis australasiae | Pottiaceae
|
| TRAU7 | Trichostomopsis australasiae (Grev. & Hook.) Robins. | Australasia trichostomopsis moss | Pottiaceae
|
| TRBR12 | Trichostomopsis brevifolia Bartr. | shortleaf trichostomopsis moss | Pottiaceae
|
| TRCR14 | Trichostomopsis crispifolia Card. | Trichostomopsis australasiae | Pottiaceae
|
| TRDI13 | Trichostomopsis diaphanobasis (Card.) Grout | Trichostomopsis australasiae | Pottiaceae
|
| TRFA3 | Trichostomopsis fayae Grout | Trichostomopsis australasiae | Pottiaceae
|
| TRUM2 | Trichostomopsis umbrosus (Card.) Robins. | Trichostomopsis australasiae | Pottiaceae
|
| TRICH14 | Trichostomopsis Card. | trichostomopsis moss | Pottiaceae
|
| TRAR10 | Trichostomum arcticum Kaal. | arctic trichostomum moss | Pottiaceae
|
| TRBR13 | Trichostomum brachydontium Bruch in F. Muell. | trichostomum moss | Pottiaceae
|
| TRCRC2 | Trichostomum crispulum Bruch in F. Muell. var. cucullatum (G. Roth) Podp. | Trichostomum crispulum | Pottiaceae
|
| TRCR18 | Trichostomum crispulum Bruch in F. Muell. | trichostomum moss | Pottiaceae
|
| TRCU4 | Trichostomum cuspidatissimum Card. & Th�r. | Trichostomum arcticum | Pottiaceae
|
| TRCY5 | Trichostomum cylindricum (Brid.) C. M�ll. | Oxystegus tenuirostris | Pottiaceae
|
| TRJA2 | Trichostomum jamaicense (Mitt.) Jaeg. | Weissia jamaicensis | Pottiaceae
|
| TRMO16 | Trichostomum molariforme Zand. | trichostomum moss | Pottiaceae
|
| TRMO17 | Trichostomum mollissimum auct. Amer. | Oxystegus tenuirostris | Pottiaceae
|
| TRSP9 | Trichostomum spirale Grout | Oxystegus spiralis | Pottiaceae
|
| TRTE9 | Trichostomum tenuirostre (Hook. & Tayl.) Lindb. | Oxystegus tenuirostris | Pottiaceae
|
| TRVA6 | Trichostomum vancouveriense (Broth.) Kindb. | Timmiella crassinervis | Pottiaceae
|
| TRICH15 | Trichostomum Bruch | trichostomum moss | Pottiaceae
|
| TRAE7 | Trichothelium aeneum (Wallr.) R. C. Harris | | Trichotheliaceae
|
| TRCE8 | Trichothelium cestrense (Michener) R. C. Harris | | Trichotheliaceae
|
| TRCH9 | Trichothelium chloroticum (Ach.) R. C. Harris | | Trichotheliaceae
|
| TRCR17 | Trichothelium crocynioides R. C. Harris | | Trichotheliaceae
|
| TREP | Trichothelium epiphyllum Mull. Arg. | | Trichotheliaceae
|
| TRGU | Trichothelium guentheri (Flotow) R. C. Harris | | Trichotheliaceae
|
| TRHO6 | Trichothelium horridulum (Mull. Arg.) R. Sant. | | Trichotheliaceae
|
| TRIS6 | Trichothelium isidiatum R. C. Harris | | Trichotheliaceae
|
| TRLI10 | Trichothelium lineare (Leighton) R. C. Harris | | Trichotheliaceae
|
| TRNI8 | Trichothelium nitidulum (Mull. Arg.) R. C. Harris | | Trichotheliaceae
|
| TRRH2 | Trichothelium rhaphidospermum (Mull. Arg.) R. C. Harris | | Trichotheliaceae
|