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 1,001–1,050 of 2,748 (native).

• 
  Eragrostis pectinacea (Michx.) Nees ex Steud. var. pectinacea Native ERPEP2

  tufted lovegrass · Poaceae 62 counties
• 
  Eragrostis spectabilis (Pursh) Steud. Native ERSP

  purple lovegrass · Poaceae 32 counties
• 
  Erechtites hieraciifolius (L.) Raf. ex DC. Native ERHI12

  American burnweed · Asteraceae 65 counties
• 
  Erechtites hieraciifolius (L.) Raf. ex DC. var. hieraciifolius Native ERHIH2

  American burnweed · Asteraceae 65 counties
• 
  Erigenia bulbosa (Michx.) Nutt. Native ERBU

  harbinger of spring · Apiaceae 10 counties
• 
  Erigeron annuus (L.) Pers. Native ERAN

  eastern daisy fleabane · Asteraceae 63 counties
• 
  Erigeron philadelphicus L. Native ERPH

  Philadelphia fleabane · Asteraceae 61 counties
• 
  Erigeron philadelphicus L. var. philadelphicus Native ERPHP

  Philadelphia fleabane · Asteraceae 61 counties
• 
  Erigeron pulchellus Michx. Native ERPU

  robin's plantain · Asteraceae 53 counties
• 
  Erigeron pulchellus Michx. var. pulchellus Native ERPUP

  robin's plantain · Asteraceae 53 counties
• 
  Erigeron strigosus Muhl. ex Willd. Native ERST3

  prairie fleabane · Asteraceae 66 counties
• 
  Erigeron strigosus Muhl. ex Willd. var. beyrichii (Fisch. & C.A. Mey.) Torr. & A. Gray ex A. Gray Native ERSTB

  Beyrich's fleabane · Asteraceae 5 counties
• 
  Erigeron strigosus Muhl. ex Willd. var. strigosus Native ERSTS2

  prairie fleabane · Asteraceae 66 counties
• 
  Eriocaulon aquaticum (Hill) Druce Native ERAQ2

  sevenangle pipewort · Eriocaulaceae 12 counties
• 
  Eriocaulon decangulare L. Native ERDE5

  tenangle pipewort · Eriocaulaceae 1 county
• 
  Eriocaulon decangulare L. var. decangulare Native ERDED2

  tenangle pipewort · Eriocaulaceae 1 county
• 
  Eriocaulon parkeri B.L. Rob. Native ERPA4

  estuary pipewort · Eriocaulaceae 3 counties
• 
  Eriophorum gracile W.D.J. Koch Native ERGR8

  slender cottongrass · Cyperaceae 12 counties
• 
  Eriophorum gracile W.D.J. Koch var. gracile Native ERGRG2

  slender cottongrass · Cyperaceae 12 counties
• 
  Eriophorum tenellum Nutt. Native ERTE12

  fewnerved cottongrass · Cyperaceae 13 counties
• 
  Eriophorum vaginatum L. Native ERVA4

  tussock cottongrass · Cyperaceae 12 counties
• 
  Eriophorum vaginatum L. var. spissum (Fernald) B. Boivin Native ERVAS

  tussock cottongrass · Cyperaceae 12 counties
• 
  Eriophorum virginicum L. Native ERVI8

  tawny cottongrass · Cyperaceae 48 counties
• 
  Eriophorum viridicarinatum (Engelm.) Fernald Native ERVI9

  thinleaf cottonsedge · Cyperaceae 6 counties
• 
  Eryngium aquaticum L. Native ERAQ

  rattlesnakemaster · Apiaceae 4 counties
• 
  Eryngium aquaticum L. var. aquaticum Native ERAQA

  rattlesnakemaster · Apiaceae 4 counties
• 
  Erysimum inconspicuum (S. Watson) MacMill. Native ERIN7

  shy wallflower · Brassicaceae 3 counties
• 
  Erysimum inconspicuum (S. Watson) MacMill. var. inconspicuum Native ERINI6

  shy wallflower · Brassicaceae 3 counties
• 
  Erythronium albidum Nutt. Native ERAL9

  white fawnlily · Liliaceae 24 counties
• 
  Erythronium americanum Ker Gawl. Native ERAM5

  dogtooth violet · Liliaceae 64 counties
• 
  Erythronium americanum Ker Gawl. ssp. americanum Native ERAMA2

  dogtooth violet · Liliaceae 64 counties
• 
  Eschscholzia californica Cham. Native ESCA2

  California poppy · Papaveraceae 6 counties
• 
  Eschscholzia californica Cham. ssp. californica Native ESCAC

  California poppy · Papaveraceae 6 counties
• 
  Eubotrys racemosus (L.) Nutt. Native EURA14

  swamp doghobble · Ericaceae 15 counties
• 
  Euonymus americanus L. Native EUAM9

  bursting-heart · Celastraceae 16 counties
• 
  Euonymus atropurpureus Jacq. Native EUAT5

  burningbush · Celastraceae 31 counties
• 
  Euonymus atropurpureus Jacq. var. atropurpureus Native EUATA2

  eastern wahoo · Celastraceae 31 counties
• 
  Euonymus obovatus Nutt. Native EUOB8

  running strawberry bush · Celastraceae 15 counties
• 
  Eupatorium album L. Native EUAL2

  white thoroughwort · Asteraceae 3 counties
• 
  Eupatorium album L. var. album Native EUALA

  white thoroughwort · Asteraceae 3 counties
• 
  Eupatorium altissimum L. Native EUAL3

  tall thoroughwort · Asteraceae 20 counties
• 
  Eupatorium capillifolium (Lam.) Small Native EUCA5

  dogfennel · Asteraceae 2 counties
• 
  Eupatorium hyssopifolium L. Native EUHY

  hyssopleaf thoroughwort · Asteraceae 6 counties
• 
  Eupatorium leucolepis (DC.) Torr. & A. Gray Native EULE

  justiceweed · Asteraceae 1 county
• 
  Eupatorium leucolepis (DC.) Torr. & A. Gray var. leucolepis Native EULEL

  justiceweed · Asteraceae 1 county
• 
  Eupatorium perfoliatum L. Native EUPE3

  common boneset · Asteraceae 67 counties
• 
  Eupatorium perfoliatum L. var. perfoliatum Native EUPEP

  common boneset · Asteraceae 67 counties
• 
  Eupatorium pilosum Walter Native EUPI2

  rough boneset · Asteraceae 17 counties
• 
  Eupatorium rotundifolium L. Native EURO4

  roundleaf thoroughwort · Asteraceae 12 counties
• 
  Eupatorium rotundifolium L. var. ovatum (Bigelow) Torr. Native EUROO

  roundleaf thoroughwort · Asteraceae 12 counties