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 1,201–1,250 of 3,901.

• 
  Dichanthelium sabulorum (Lam.) Gould & C.A. Clark var. thinium (Hitchc. & Chase) Gould & C.A. Clark Native DISAT

  hemlock rosette grass · Poaceae 30 counties
• 
  Dichanthelium scabriusculum (Elliott) Gould & C.A. Clark Native DISC2

  woolly rosette grass · Poaceae 3 counties
• 
  Dichanthelium scoparium (Lam.) Gould Native DISC3

  velvet panicum · Poaceae 6 counties
• 
  Dichanthelium sphaerocarpon (Elliott) Gould Native DISP2

  roundseed panicgrass · Poaceae 29 counties
• 
  Dichanthelium sphaerocarpon (Elliott) Gould var. isophyllum (Scribn.) Gould & C.A. Clark Native DISPI

  roundseed panicgrass · Poaceae 12 counties
• 
  Dichanthelium sphaerocarpon (Elliott) Gould var. sphaerocarpon Native DISPS3

  roundseed panicgrass · Poaceae 28 counties
• 
  Dichanthelium spretum (Schult.) Freckmann Native DISP4

  Eaton's rosette grass · Poaceae 1 county
• 
  Dichanthelium villosissimum (Nash) Freckmann Native DIVI7

  whitehair rosette grass · Poaceae 8 counties
• 
  Dichanthelium villosissimum (Nash) Freckmann var. villosissimum Native DIVIV

  whitehair rosette grass · Poaceae 8 counties
• 
  Dichanthelium xanthophysum (A. Gray) Freckmann Native DIXA

  slender rosette grass · Poaceae 7 counties
• 
  Diervilla lonicera Mill. Native DILO

  northern bush honeysuckle · Caprifoliaceae 64 counties
• 
  Digitalis lanata Ehrh. Introduced DILA3

  Grecian foxglove · Scrophulariaceae 3 counties
• 
  Digitalis lutea L. Introduced DILU

  straw foxglove · Scrophulariaceae 2 counties
• 
  Digitalis purpurea L. Introduced DIPU

  purple foxglove · Scrophulariaceae 7 counties
• 
  Digitalis purpurea L. ssp. purpurea Introduced DIPUP2

  purple foxglove · Scrophulariaceae 7 counties
• 
  Digitaria ciliaris (Retz.) Koeler Native DICI

  southern crabgrass · Poaceae 1 county
• 
  Digitaria cognata (Schult.) Pilg. Native DICO6

  fall witchgrass · Poaceae 4 counties
• 
  Digitaria filiformis (L.) Koeler Native DIFI

  slender crabgrass · Poaceae 13 counties
• 
  Digitaria ischaemum (Schreb.) Schreb. ex Muhl. Introduced DIIS

  smooth crabgrass · Poaceae 57 counties
• 
  Digitaria sanguinalis (L.) Scop. Introduced DISA

  hairy crabgrass · Poaceae 61 counties
• 
  Digitaria serotina (Walter) Michx. Native DISE3

  dwarf crabgrass · Poaceae 1 county
• 
  Diodia teres Walter Native DITE2

  poorjoe · Rubiaceae 22 counties
• 
  Diodia teres Walter var. teres Native DITET

  poorjoe · Rubiaceae 22 counties
• 
  Diodia virginiana L. Native DIVI3

  Virginia buttonweed · Rubiaceae 1 county
• 
  Diodia virginiana L. var. virginiana Native DIVIV2

  Virginia buttonweed · Rubiaceae 1 county
• 
  Dioscorea oppositifolia L. Introduced DIOP

  Chinese yam · Dioscoreaceae 9 counties
• 
  Dioscorea quaternata J.F. Gmel. Native DIQU

  fourleaf yam · Dioscoreaceae 31 counties
• 
  Dioscorea villosa L. Native DIVI4

  wild yam · Dioscoreaceae 55 counties
• 
  Diospyros virginiana L. Native DIVI5

  common persimmon · Ebenaceae 28 counties
• 
  Diplazium pycnocarpon (Spreng.) Broun Native DIPY

  glade fern · Dryopteridaceae 32 counties
• 
  Diplotaxis muralis (L.) DC. Introduced DIMU2

  annual wallrocket · Brassicaceae 4 counties
• 
  Diplotaxis tenuifolia (L.) DC. Introduced DITE4

  perennial wallrocket · Brassicaceae 6 counties
• 
  Dipsacus fullonum L. Introduced DIFU2

  Fuller's teasel · Dipsacaceae 50 counties
• 
  Dipsacus laciniatus L. Introduced DILA4

  cutleaf teasel · Dipsacaceae 4 counties
• 
  Dipsacus sativus (L.) Honck. Introduced DISA9

  Indian teasel · Dipsacaceae 5 counties
• 
  Dirca palustris L. Native DIPA9

  eastern leatherwood · Thymelaeaceae 36 counties
• 
  Distichlis spicata (L.) Greene Native DISP

  saltgrass · Poaceae 2 counties
• 
  Dodecatheon amethystinum (Fassett) Fassett Native DOAM

  jeweled shootingstar · Primulaceae 11 counties
• 
  Dodecatheon meadia L. Native DOME

  pride of Ohio · Primulaceae 7 counties
• 
  Dodecatheon meadia L. ssp. meadia Native DOMEM3

  pride of Ohio · Primulaceae 7 counties
• 
  Doellingeria infirma (Michx.) Greene Native DOIN2

  cornel-leaf whitetop · Asteraceae 40 counties
• 
  Doellingeria umbellata (Mill.) Nees Native DOUM2

  parasol whitetop · Asteraceae 61 counties
• 
  Doellingeria umbellata (Mill.) Nees var. umbellata Native DOUMU

  parasol whitetop · Asteraceae 61 counties
• 
  Draba reptans (Lam.) Fernald Native DRRE2

  Carolina draba · Brassicaceae 2 counties
• 
  Draba verna L. Introduced DRVE2

  spring draba · Brassicaceae 30 counties
• 
  Dracocephalum parviflorum Nutt. Native DRPA2

  American dragonhead · Lamiaceae 5 counties
• 
  Drepanocladus aduncus (Hedw.) Warnst. Native DRAD2

  drepanocladus moss · Amblystegiaceae 1 county
• 
  Drepanocladus aduncus (Hedw.) Warnst. var. kneiffii (Schimp.) Mönk. Native DRADK

  Kneiff's drepanocladus moss · Amblystegiaceae 1 county
• 
  Drosera intermedia Hayne Native DRIN3

  spoonleaf sundew · Droseraceae 13 counties
• 
  Drosera rotundifolia L. Native DRRO

  roundleaf sundew · Droseraceae 42 counties