| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| THPU3 | Thelypodiopsis purpusii (Brandeg.) Rollins | Purpus' tumblemustard | Brassicaceae
|
| THSAO3 | Thelypodiopsis sagittata (Nutt. ex Torr. & Gray) O.E. Schulz var. ovalifolium (Rydb.) Welsh | Thelypodium sagittatum ssp. ovalifolium | Brassicaceae
|
| THSA9 | Thelypodiopsis sagittata (Nutt. ex Torr. & Gray) O.E. Schulz | Thelypodium sagittatum ssp. sagittatum | Brassicaceae
|
| THSH | Thelypodiopsis shinnersii (M.C. Johnston) Rollins | Rio Grande tumblemustard | Brassicaceae
|
| THVA | Thelypodiopsis vaseyi (S. Wats. ex B.L. Robins.) Rollins | Las Vegas tumblemustard | Brassicaceae
|
| THVE3 | Thelypodiopsis vermicularis (Welsh & Reveal) Rollins | Great Basin tumblemustard | Brassicaceae
|
| THELY3 | Thelypodiopsis Rydb. | tumblemustard | Brassicaceae
|
| THAM5 | Thelypodium ambiguum S. Wats. | Thelypodiopsis ambigua var. ambigua | Brassicaceae
|
| THAU6 | Thelypodium aureum Engelm. | Thelypodiopsis aurea | Brassicaceae
|
| THBR | Thelypodium brachycarpum Torr. | shortpod thelypody | Brassicaceae
|
| THCO6 | Thelypodium cooperi S. Wats. | Caulanthus cooperi | Brassicaceae
|
| THCR | Thelypodium crispum Greene ex Payson | crisped thelypody | Brassicaceae
|
| THDE6 | Thelypodium deserti M.E. Jones | Sibara deserti | Brassicaceae
|
| THEL2 | Thelypodium elegans M.E. Jones | Thelypodiopsis elegans | Brassicaceae
|
| THEU | Thelypodium eucosmum B.L. Robins. | world thelypody | Brassicaceae
|
| THFL4 | Thelypodium flavescens (Hook.) S. Wats. | Guillenia flavescens | Brassicaceae
|
| THFL3 | Thelypodium flexuosum B.L. Robins. | nodding thelypody | Brassicaceae
|
| THHOH | Thelypodium howellii S. Wats. ssp. howellii | Howell's thelypody | Brassicaceae
|
| THHOS2 | Thelypodium howellii S. Wats. ssp. spectabilis (M.E. Peck) Al-Shehbaz | Howell's thelypody | Brassicaceae
|
| THHOS | Thelypodium howellii S. Wats. var. spectabilis M.E. Peck | Thelypodium howellii ssp. spectabilis | Brassicaceae
|
| THHO | Thelypodium howellii S. Wats. | Howell's thelypody | Brassicaceae
|
| THINA | Thelypodium integrifolium (Nutt.) Endl. ex Walp. ssp. affine (Greene) Al-Shehbaz | entireleaved thelypody | Brassicaceae
|
| THINC | Thelypodium integrifolium (Nutt.) Endl. ex Walp. ssp. complanatum Al-Shehbaz | entireleaved thelypody | Brassicaceae
|
| THING2 | Thelypodium integrifolium (Nutt.) Endl. ex Walp. ssp. gracilipes (B.L. Robins.) Al-Shehbaz | entireleaved thelypody | Brassicaceae
|
| THINI | Thelypodium integrifolium (Nutt.) Endl. ex Walp. ssp. integrifolium | entireleaved thelypody | Brassicaceae
|
| THINL | Thelypodium integrifolium (Nutt.) Endl. ex Walp. ssp. longicarpum Al-Shehbaz | entireleaved thelypody | Brassicaceae
|
| THINA2 | Thelypodium integrifolium (Nutt.) Endl. ex Walp. var. affine (Greene) Welsh & Reveal | Thelypodium integrifolium ssp. affine | Brassicaceae
|
| THINC2 | Thelypodium integrifolium (Nutt.) Endl. ex Walp. var. complanatum (Al-Shehbaz) Welsh & Reveal | Thelypodium integrifolium ssp. complanatum | Brassicaceae
|
| THING | Thelypodium integrifolium (Nutt.) Endl. ex Walp. var. gracilipes B.L. Robins. | Thelypodium integrifolium ssp. gracilipes | Brassicaceae
|
| THIN | Thelypodium integrifolium (Nutt.) Endl. ex Walp. | entireleaved thelypody | Brassicaceae
|
| THJA2 | Thelypodium jaegeri Rollins | Caulostramina jaegeri | Brassicaceae
|
| THLAM | Thelypodium laciniatum (Hook.) Endl. ex Walp. var. milleflorum (A. Nels.) Payson | Thelypodium milleflorum | Brassicaceae
|
| THLAS2 | Thelypodium laciniatum (Hook.) Endl. ex Walp. var. streptanthoides (Leib. ex Piper) Payson | Thelypodium laciniatum | Brassicaceae
|
| THLA | Thelypodium laciniatum (Hook.) Endl. ex Walp. | cutleaf thelypody | Brassicaceae
|
| THLAI | Thelypodium lasiophyllum (Hook. & Arn.) Greene var. inalienum B.L. Robins. | Guillenia lasiophylla | Brassicaceae
|
| THLAR3 | Thelypodium lasiophyllum (Hook. & Arn.) Greene var. rigidum (Greene) B.L. Robins. | Guillenia lasiophylla | Brassicaceae
|
| THLAU | Thelypodium lasiophyllum (Hook. & Arn.) Greene var. utahense (Rydb.) Jepson | Guillenia lasiophylla | Brassicaceae
|
| THLA5 | Thelypodium lasiophyllum (Hook. & Arn.) Greene | Guillenia lasiophylla | Brassicaceae
|
| THLA4 | Thelypodium laxiflorum Al-Shehbaz | droopflower thelypody | Brassicaceae
|
| THLE | Thelypodium lemmonii Greene, non Caulanthus lemmonii S. Wats. | Guillenia lemmonii | Brassicaceae
|
| THLIS | Thelypodium lilacinum Greene var. subumbellatum Payson | Thelypodium integrifolium ssp. integrifolium | Brassicaceae
|
| THLI6 | Thelypodium lilacinum Greene | Thelypodium integrifolium ssp. integrifolium | Brassicaceae
|
| THLOC | Thelypodium longifolium (Benth.) S. Wats. var. catalinense M.E. Jones | Pennellia micrantha | Brassicaceae
|
| THLO3 | Thelypodium longifolium (Benth.) S. Wats. | Pennellia longifolia | Brassicaceae
|
| THMI6 | Thelypodium micranthum (Gray) S. Wats. | Pennellia micrantha | Brassicaceae
|
| THMI5 | Thelypodium milleflorum A. Nels. | manyflower thelypody | Brassicaceae
|
| THPA6 | Thelypodium paniculatum A. Nels. | northwestern thelypody | Brassicaceae
|
| THPI4 | Thelypodium pinnatifidum (Michx.) S. Wats. | Iodanthus pinnatifidus | Brassicaceae
|
| THPU7 | Thelypodium purpusii Brandeg. | Thelypodiopsis purpusii | Brassicaceae
|
| THRE2 | Thelypodium repandum Rollins | wavyleaf thelypody | Brassicaceae
|
| THRHG | Thelypodium rhomboideum Greene var. gracilipes (B.L. Robins.) Payson | Thelypodium integrifolium ssp. gracilipes | Brassicaceae
|
| THRH3 | Thelypodium rhomboideum Greene | Thelypodium integrifolium ssp. affine | Brassicaceae
|
| THRI | Thelypodium rigidum Greene | Guillenia lasiophylla | Brassicaceae
|
| THRO | Thelypodium rollinsii Al-Shehbaz | Rollins' thelypody | Brassicaceae
|
| THSAO | Thelypodium sagittatum (Nutt. ex Torr. & Gray) Endl. ex Walp. ssp. ovalifolium (Rydb.) Al-Shehbaz | arrow thelypody | Brassicaceae
|
| THSAS | Thelypodium sagittatum (Nutt. ex Torr. & Gray) Endl. ex Walp. ssp. sagittatum | arrow thelypody | Brassicaceae
|
| THSAC | Thelypodium sagittatum (Nutt. ex Torr. & Gray) Endl. ex Walp. var. crassicarpum Payson | Thelypodium paniculatum | Brassicaceae
|
| THSAO2 | Thelypodium sagittatum (Nutt. ex Torr. & Gray) Endl. ex Walp. var. ovalifolium (Rydb.) Welsh & Reveal | Thelypodium sagittatum ssp. ovalifolium | Brassicaceae
|
| THSAV | Thelypodium sagittatum (Nutt. ex Torr. & Gray) Endl. ex Walp. var. vermiculare Welsh & Reveal | Thelypodiopsis vermicularis | Brassicaceae
|
| THSA2 | Thelypodium sagittatum (Nutt. ex Torr. & Gray) Endl. ex Walp. | arrow thelypody | Brassicaceae
|
| THSH2 | Thelypodium shinnersii (M.C. Johnston) Rollins | Thelypodiopsis shinnersii | Brassicaceae
|
| THST | Thelypodium stenopetalum S. Wats. | slenderpetal thelypody | Brassicaceae
|
| THST7 | Thelypodium streptanthoides Leib. ex Piper | Thelypodium laciniatum | Brassicaceae
|
| THSU4 | Thelypodium suffrutescens Rollins | Glaucocarpum suffrutescens | Brassicaceae
|
| THTE3 | Thelypodium tenue Rollins | Big Bend thelypody | Brassicaceae
|
| THTE4 | Thelypodium texanum (Cory) Rollins | Texas thelypody | Brassicaceae
|
| THUT | Thelypodium utahense Rydb. | Guillenia lasiophylla | Brassicaceae
|
| THVE5 | Thelypodium vernale Woot. & Standl. | Thelypodiopsis purpusii | Brassicaceae
|
| THWRO | Thelypodium wrightii Gray ssp. oklahomense Al-Shehbaz | Oklahoma thelypody | Brassicaceae
|
| THWRW | Thelypodium wrightii Gray ssp. wrightii | Wright's thelypody | Brassicaceae
|
| THWRT | Thelypodium wrightii Gray var. tenellum M.E. Jones | Thelypodium laxiflorum | Brassicaceae
|
| THWR | Thelypodium wrightii Gray | Wright's thelypody | Brassicaceae
|
| THELY | Thelypodium Endl. | thelypody | Brassicaceae
|
| THAB | Thelypteris abdita Proctor | Rio Abajo maiden fern | Thelypteridaceae
|
| THAB2 | Thelypteris abrupta (Desv.) Proctor | fairybit maiden fern | Thelypteridaceae
|
| THAN | Thelypteris angustifolia (Willd.) Proctor | broadleaf maiden fern | Thelypteridaceae
|
| THAS | Thelypteris asplenioides (Sw.) Proctor | Thelypteris retroflexa | Thelypteridaceae
|
| THAU | Thelypteris augescens (Link) Munz & Johnston | abrupttip maiden fern | Thelypteridaceae
|
| THBA2 | Thelypteris balbisii (Spreng.) Ching | Balbis' maiden fern | Thelypteridaceae
|
| THBO | Thelypteris boydiae (Eat.) K. Iwats. | Boyd's maiden fern | Thelypteridaceae
|
| THBR2 | Thelypteris brittonae (Slosson ex Maxon) Alain | Britton's maiden fern | Thelypteridaceae
|
| THCH | Thelypteris cheilanthoides (Kunze) Proctor | lip maiden fern | Thelypteridaceae
|
| THCOP | Thelypteris confluens (Thunb.) Morton var. pubescens (Lawson) Pringle | Thelypteris palustris var. pubescens | Thelypteridaceae
|
| THCOI | Thelypteris cordata (F�e) Proctor var. imitata (C. Christens.) Proctor | heartleaf maiden fern | Thelypteridaceae
|
| THCO4 | Thelypteris cordata (F�e) Proctor | heartleaf maiden fern | Thelypteridaceae
|
| THCY | Thelypteris cyatheoides (Kaulfuss) Fosberg | lacy maiden fern | Thelypteridaceae
|
| THDE2 | Thelypteris decussata (L.) Proctor | glandular maiden fern | Thelypteridaceae
|
| THDE3 | Thelypteris deltoidea (Sw.) Proctor | deltoid maiden fern | Thelypteridaceae
|
| THDE4 | Thelypteris dentata (Forsk.) E. St. John | downy maiden fern | Thelypteridaceae
|
| THDR | Thelypteris dryopteris (L.) Slosson | Gymnocarpium dryopteris | Dryopteridaceae
|
| THEX2 | Thelypteris exindusiata W.H. Wagner | Makaleha maiden fern | Thelypteridaceae
|
| THFO | Thelypteris forsteri Morton | Forster's maiden fern | Thelypteridaceae
|
| THGE | Thelypteris germaniana (F�e) Proctor | German's maiden fern | Thelypteridaceae
|
| THGL | Thelypteris globulifera (Brack.) C.F. Reed | globular maiden fern | Thelypteridaceae
|
| THGO | Thelypteris gongylodes (Schkuhr) Small | Thelypteris interrupta | Thelypteridaceae
|
| THGR | Thelypteris grandis A.R. Sm. | stately maiden fern | Thelypteridaceae
|
| THGU | Thelypteris guadalupensis (Wikstr.) Proctor | Guadeloupe maiden fern | Thelypteridaceae
|
| THHAH | Thelypteris hastata (F�e) Proctor var. hastata | arrowhead maiden fern | Thelypteridaceae
|
| THHAH2 | Thelypteris hastata (F�e) Proctor var. heterodoxa Proctor | arrowhead maiden fern | Thelypteridaceae
|
| THHA | Thelypteris hastata (F�e) Proctor | arrowhead maiden fern | Thelypteridaceae
|
| THHA2 | Thelypteris hawaiiensis C.F. Reed | Pneumatopteris sandwicensis | Thelypteridaceae
|