Pennsylvania

• Adams 42001
  1,101 taxa Open ↗
• Allegheny 42003
  1,943 taxa Open ↗
• Armstrong 42005
  1,126 taxa Open ↗
• Beaver 42007
  1,402 taxa Open ↗
• Bedford 42009
  1,989 taxa Open ↗
• Berks 42011
  2,115 taxa Open ↗
• Blair 42013
  1,613 taxa Open ↗
• Bradford 42015
  1,111 taxa Open ↗
• Bucks 42017
  2,298 taxa Open ↗
• Butler 42019
  1,422 taxa Open ↗

Showing 3,701–3,750 of 3,901.

• 
  Utricularia resupinata B.D. Greene ex Bigelow Native UTRE

  lavender bladderwort · Lentibulariaceae 1 county
• 
  Uvularia grandiflora Sm. Native UVGR

  largeflower bellwort · Liliaceae 19 counties
• 
  Uvularia perfoliata L. Native UVPE

  perfoliate bellwort · Liliaceae 66 counties
• 
  Uvularia puberula Michx. Native UVPU2

  mountain bellwort · Liliaceae 2 counties
• 
  Uvularia sessilifolia L. Native UVSE

  sessileleaf bellwort · Liliaceae 62 counties
• 
  Vaccaria hispanica (Mill.) Rauschert Introduced VAHI2

  cow soapwort · Caryophyllaceae 21 counties
• 
  Vaccinium angustifolium Aiton Native VAAN

  lowbush blueberry · Ericaceae 63 counties
• 
  Vaccinium corymbosum L. Native VACO

  highbush blueberry · Ericaceae 61 counties
• 
  Vaccinium fuscatum Aiton Native VAFU

  black highbush blueberry · Ericaceae 1 county
• 
  Vaccinium macrocarpon Aiton Native VAMA

  cranberry · Ericaceae 43 counties
• 
  Vaccinium myrtilloides Michx. Native VAMY

  velvetleaf huckleberry · Ericaceae 24 counties
• 
  Vaccinium oxycoccos L. Native VAOX

  small cranberry · Ericaceae 18 counties
• 
  Vaccinium pallidum Aiton Native VAPA4

  Blue Ridge blueberry · Ericaceae 65 counties
• 
  Vaccinium stamineum L. Native VAST

  deerberry · Ericaceae 64 counties
• 
  Valeriana officinalis L. Introduced VAOF

  garden valerian · Valerianaceae 15 counties
• 
  Valeriana pauciflora Michx. Native VAPA2

  largeflower valerian · Valerianaceae 10 counties
• 
  Valerianella chenopodiifolia (Pursh) DC. Native VACH

  goosefoot cornsalad · Valerianaceae 19 counties
• 
  Valerianella locusta (L.) Lat. Introduced VALO

  Lewiston cornsalad · Valerianaceae 29 counties
• 
  Valerianella umbilicata (Sull.) Alph. Wood Native VAUM

  navel cornsalad · Valerianaceae 30 counties
• 
  Vallisneria americana Michx. Native VAAM3

  American eelgrass · Hydrocharitaceae 40 counties
• 
  Veratrum hybridum (Walter) J.H. Zimmerman ex Zomlefer Native VEHY

  slender bunchflower · Liliaceae 32 counties
• 
  Veratrum virginicum (L.) W.T. Aiton Native VEVI5

  Virginia bunchflower · Liliaceae 20 counties
• 
  Veratrum viride Aiton Native VEVI

  green false hellebore · Liliaceae 63 counties
• 
  Verbascum blattaria L. Introduced VEBL

  moth mullein · Scrophulariaceae 55 counties
• 
  Verbascum lychnitis L. Introduced VELY

  white mullein · Scrophulariaceae 14 counties
• 
  Verbascum nigrum L. Introduced VENI

  black mullein · Scrophulariaceae 1 county
• 
  Verbascum phlomoides L. Introduced VEPH

  orange mullein · Scrophulariaceae 9 counties
• 
  Verbascum sinuatum L. Introduced VESI2

  wavyleaf mullein · Scrophulariaceae 3 counties
• 
  Verbascum thapsus L. Introduced VETH

  common mullein · Scrophulariaceae 58 counties
• 
  Verbascum virgatum Stokes Introduced VEVI2

  wand mullein · Scrophulariaceae 2 counties
• ⚘
  Verbascum ×spurium K. Koch [lychnitis × thapsus] Introduced VESP2

  mullein · Scrophulariaceae 1 county
• 
  Verbena bracteata Cav. ex Lag. & Rodr. Native VEBR

  bigbract verbena · Verbenaceae 8 counties
• 
  Verbena hastata L. Native VEHA2

  swamp verbena · Verbenaceae 67 counties
• 
  Verbena hastata L. var. hastata Native VEHAH

  swamp verbena · Verbenaceae 67 counties
• 
  Verbena officinalis L. Introduced VEOF

  herb of the cross · Verbenaceae 6 counties
• 
  Verbena officinalis L. var. officinalis Introduced VEOFO2

  herb of the cross · Verbenaceae 6 counties
• 
  Verbena simplex Lehm. Native VESI

  narrowleaf vervain · Verbenaceae 25 counties
• 
  Verbena stricta Vent. Native VEST

  hoary verbena · Verbenaceae 19 counties
• 
  Verbena urticifolia L. Native VEUR

  white vervain · Verbenaceae 65 counties
• 
  Verbena urticifolia L. var. leiocarpa L.M. Perry & Fernald Native VEURL

  white vervain · Verbenaceae 34 counties
• 
  Verbena urticifolia L. var. urticifolia Native VEURU

  white vervain · Verbenaceae 65 counties
• ⚘
  Verbena ×engelmannii Moldenke [hastata × urticifolia] Native VEEN2

  vervain · Verbenaceae 14 counties
• 
  Verbesina alternifolia (L.) Britton ex Kearney Native VEAL

  wingstem · Asteraceae 40 counties
• ⚘
  Verbesina encelioides (Cav.) Benth. & Hook. f. ex A. Gray Native VEEN

  golden crownbeard · Asteraceae 1 county
• ⚘
  Verbesina encelioides (Cav.) Benth. & Hook. f. ex A. Gray ssp. exauriculata (B.L. Rob. & Greenm.) J.R. Coleman Native VEENE2

  golden crownbeard · Asteraceae 1 county
• 
  Vernonia gigantea (Walter) Trel. Native VEGI

  giant ironweed · Asteraceae 23 counties
• 
  Vernonia gigantea (Walter) Trel. ssp. gigantea Native VEGIG

  giant ironweed · Asteraceae 23 counties
• 
  Vernonia glauca (L.) Willd. Native VEGL

  broadleaf ironweed · Asteraceae 5 counties
• 
  Vernonia noveboracensis (L.) Michx. Native VENO

  New York ironweed · Asteraceae 53 counties
• 
  Veronica agrestis L. Introduced VEAG

  green field speedwell · Scrophulariaceae 6 counties