Virginia

• Accomack 51001
  1,201 taxa Open ↗
• Albemarle 51003
  1,479 taxa Open ↗
• Alexandria (city) 51510
  1 taxa Open ↗
• Alleghany 51005
  1,296 taxa Open ↗
• Amelia 51007
  1,090 taxa Open ↗
• Amherst 51009
  1,290 taxa Open ↗
• Appomattox 51011
  918 taxa Open ↗
• Arlington 51013
  1,096 taxa Open ↗
• Augusta 51015
  1,556 taxa Open ↗
• Bath 51017
  1,158 taxa Open ↗

Showing 2,651–2,700 of 2,892 (native).

• 
  Thaspium trifoliatum (L.) A. Gray Native THTR

  purple meadowparsnip · Apiaceae 61 counties
• 
  Thaspium trifoliatum (L.) A. Gray var. trifoliatum Native THTRT

  purple meadowparsnip · Apiaceae 2 counties
• 
  Thelypteris noveboracensis (L.) Nieuwl. Native THNO

  New York fern · Thelypteridaceae 100 counties
• 
  Thelypteris palustris Schott Native THPA

  eastern marsh fern · Thelypteridaceae 82 counties
• 
  Thelypteris palustris Schott var. pubescens (G. Lawson) Fernald Native THPAP

  eastern marsh fern · Thelypteridaceae 82 counties
• 
  Thelypteris simulata (Davenport) Nieuwl. Native THSI2

  bog fern · Thelypteridaceae 4 counties
• 
  Thermopsis mollis (Michx.) M.A. Curtis ex A. Gray Native THMO2

  Allegheny Mountain goldenbanner · Fabaceae 15 counties
• 
  Thermopsis villosa (Walter) Fernald & B.G. Schub. Native THVI

  Aaron's rod · Fabaceae 3 counties
• 
  Thuja occidentalis L. Native THOC2

  arborvitae · Cupressaceae 26 counties
• 
  Tiarella cordifolia L. Native TICO

  heartleaf foamflower · Saxifragaceae 50 counties
• 
  Tiarella cordifolia L. var. collina Wherry Native TICOC

  heartleaf foamflower · Saxifragaceae 2 counties
• 
  Tiarella cordifolia L. var. cordifolia Native TICOC2

  heartleaf foamflower · Saxifragaceae 1 county
• 
  Tilia americana L. Native TIAM

  American basswood · Tiliaceae 71 counties
• 
  Tilia americana L. var. caroliniana (Mill.) Castigl. Native TIAMC

  Carolina basswood · Tiliaceae 1 county
• 
  Tilia americana L. var. heterophylla (Vent.) Loudon Native TIAMH

  American basswood · Tiliaceae 2 counties
• ⚘
  Tillandsia usneoides (L.) L. Native TIUS

  Spanish moss · Bromeliaceae 6 counties
• 
  Tipularia discolor (Pursh) Nutt. Native TIDI

  crippled cranefly · Orchidaceae 82 counties
• 
  Torreyochloa pallida (Torr.) Church Native TOPA6

  pale false mannagrass · Poaceae 12 counties
• 
  Torreyochloa pallida (Torr.) Church var. pallida Native TOPAP

  pale false mannagrass · Poaceae 12 counties
• 
  Toxicodendron pubescens Mill. Native TOPU2

  Atlantic poison oak · Anacardiaceae 49 counties
• 
  Toxicodendron radicans (L.) Kuntze Native TORA2

  eastern poison ivy · Anacardiaceae 96 counties
• 
  Toxicodendron radicans (L.) Kuntze ssp. radicans Native TORAR

  eastern poison ivy · Anacardiaceae 96 counties
• 
  Toxicodendron vernix (L.) Kuntze Native TOVE

  poison sumac · Anacardiaceae 40 counties
• 
  Trachelospermum difforme (Walter) A. Gray Native TRDI

  climbing dogbane · Apocynaceae 29 counties
• 
  Tradescantia ohiensis Raf. Native TROH

  bluejacket · Commelinaceae 29 counties
• 
  Tradescantia subaspera Ker Gawl. Native TRSU2

  zigzag spiderwort · Commelinaceae 15 counties
• 
  Tradescantia subaspera Ker Gawl. var. montana (Shuttlw. ex Britton) E.S. Anderson & Woodson Native TRSUM

  zigzag spiderwort · Commelinaceae 14 counties
• 
  Tradescantia virginiana L. Native TRVI

  Virginia spiderwort · Commelinaceae 41 counties
• 
  Tragia urens L. Native TRUR

  wavyleaf noseburn · Euphorbiaceae 11 counties
• 
  Tragia urticifolia Michx. Native TRUR2

  nettleleaf noseburn · Euphorbiaceae 4 counties
• 
  Trautvetteria caroliniensis (Walter) Vail Native TRCA

  Carolina bugbane · Ranunculaceae 39 counties
• 
  Trautvetteria caroliniensis (Walter) Vail var. caroliniensis Native TRCAC2

  Carolina bugbane · Ranunculaceae 39 counties
• 
  Triadenum fraseri (Spach) Gleason Native TRFR

  Fraser's marsh St. Johnswort · Clusiaceae 3 counties
• 
  Triadenum tubulosum (Walter) Gleason Native TRTU

  lesser marsh St. Johnswort · Clusiaceae 5 counties
• 
  Triadenum virginicum (L.) Raf. Native TRVI2

  Virginia marsh St. Johnswort · Clusiaceae 39 counties
• 
  Triadenum walteri (J.G. Gmel.) Gleason Native TRWA

  greater marsh St. Johnswort · Clusiaceae 40 counties
• 
  Triantha glutinosa (Michx.) Baker Native TRGL5

  sticky tofieldia · Liliaceae 1 county
• 
  Triantha racemosa (Walter) Small Native TRRA6

  coastal false asphodel · Liliaceae 6 counties
• 
  Trichomanes boschianum Sturm Native TRBO

  Appalachian bristle fern · Hymenophyllaceae 1 county
• 
  Trichophorum planifolium (Spreng.) Palla Native TRPL6

  bashful bulrush · Cyperaceae 30 counties
• 
  Trichostema brachiatum L. Native TRBR5

  fluxweed · Lamiaceae 27 counties
• 
  Trichostema dichotomum L. Native TRDI2

  forked bluecurls · Lamiaceae 85 counties
• 
  Trichostema setaceum Houtt. Native TRSE5

  narrowleaf bluecurls · Lamiaceae 10 counties
• 
  Tridens flavus (L.) Hitchc. Native TRFL2

  purpletop tridens · Poaceae 100 counties
• 
  Tridens flavus (L.) Hitchc. var. flavus Native TRFLF

  purpletop tridens · Poaceae 4 counties
• 
  Tridens strictus (Nutt.) Nash Native TRST2

  longspike tridens · Poaceae 3 counties
• 
  Trientalis borealis Raf. Native TRBO2

  starflower · Primulaceae 30 counties
• 
  Trientalis borealis Raf. ssp. borealis Native TRBOB

  starflower · Primulaceae 30 counties
• 
  Trifolium calcaricum J.L. Collins & T.F. Wieboldt Native TRCA26

  running glade clover · Fabaceae 1 county
• 
  Trifolium reflexum L. Native TRRE2

  buffalo clover · Fabaceae 7 counties