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 1,401–1,450 of 3,901.

• 
  Eruca vesicaria (L.) Cav. ssp. sativa (Mill.) Thell. Introduced ERVES

  rocketsalad · Brassicaceae 2 counties
• 
  Erucastrum gallicum (Willd.) O.E. Schulz Introduced ERGA

  common dogmustard · Brassicaceae 6 counties
• 
  Eryngium aquaticum L. Native ERAQ

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

  rattlesnakemaster · Apiaceae 4 counties
• 
  Erysimum cheiranthoides L. Introduced ERCH9

  wormseed wallflower · Brassicaceae 38 counties
• 
  Erysimum hieraciifolium L. Introduced ERHI8

  European wallflower · Brassicaceae 1 county
• 
  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
• 
  Erysimum repandum L. Introduced ERRE4

  spreading wallflower · Brassicaceae 9 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 alatus (Thunb.) Siebold Introduced EUAL13

  burningbush · Celastraceae 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 europaeus L. Introduced EUEU7

  European spindletree · Celastraceae 12 counties
• 
  Euonymus fortunei (Turcz.) Hand.-Maz. Introduced EUFO5

  winter creeper · Celastraceae 3 counties
• 
  Euonymus fortunei (Turcz.) Hand.-Maz. var. radicans (Siebold ex Miq.) Rehder Introduced EUFOR2

  winter creeper · Celastraceae 2 counties
• 
  Euonymus hamiltonianus Wall. Introduced EUHA7

  Hamilton's spindletree · Celastraceae 2 counties
• 
  Euonymus hamiltonianus Wall. ssp. sieboldianus (Blume) H. Hara Introduced EUHAS2

  Hamilton's spindletree · Celastraceae 2 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 cannabinum L. Introduced EUCA9

  hemp agrimony · Asteraceae 1 county
• 
  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
• 
  Eupatorium rotundifolium L. var. rotundifolium Native EUROR

  roundleaf thoroughwort · Asteraceae 6 counties
• 
  Eupatorium serotinum Michx. Native EUSE2

  lateflowering thoroughwort · Asteraceae 12 counties
• 
  Eupatorium sessilifolium L. Native EUSE3

  upland boneset · Asteraceae 49 counties
• 
  Eupatorium sessilifolium L. var. vaseyi (Porter) Fernald & Grisc. Native EUSEV

  upland boneset · Asteraceae 3 counties
• 
  Euphorbia commutata Engelm. ex A. Gray Native EUCO8

  tinted woodland spurge · Euphorbiaceae 18 counties
• 
  Euphorbia corollata L. Native EUCO10

  flowering spurge · Euphorbiaceae 48 counties
• 
  Euphorbia cyparissias L. Introduced EUCY2

  cypress spurge · Euphorbiaceae 46 counties
• 
  Euphorbia davidii Subils Introduced EUDA5

  David's spurge · Euphorbiaceae 5 counties
• 
  Euphorbia dentata Michx. Both EUDE4

  toothed spurge · Euphorbiaceae 27 counties
• 
  Euphorbia dentata Michx. var. dentata Native EUDED

  toothed spurge · Euphorbiaceae 26 counties
• 
  Euphorbia esula L. Introduced EUES

  leafy spurge · Euphorbiaceae 34 counties
• 
  Euphorbia esula L. var. esula Introduced EUESE

  leafy spurge · Euphorbiaceae 1 county