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 351–400 of 1,109 (introduced).

• 
  Eranthis hyemalis (L.) Salisb. Introduced ERHY4

  winter aconite · Ranunculaceae 3 counties
• 
  Erica vagans L. Introduced ERVA2

  Cornish heath · Ericaceae 1 county
• 
  Eriochloa villosa (Thunb.) Kunth Introduced ERVI3

  hairy cupgrass · Poaceae 1 county
• 
  Erodium cicutarium (L.) L'Hér. ex Aiton Introduced ERCI6

  redstem stork's bill · Geraniaceae 16 counties
• 
  Erodium cicutarium (L.) L'Hér. ex Aiton ssp. cicutarium Introduced ERCIC

  redstem stork's bill · Geraniaceae 16 counties
• 
  Erodium moschatum (L.) L'Hér. ex Aiton Introduced ERMO7

  musky stork's bill · Geraniaceae 2 counties
• 
  Erodium moschatum (L.) L'Hér. ex Aiton var. moschatum Introduced ERMOM

  musky stork's bill · Geraniaceae 2 counties
• 
  Eruca vesicaria (L.) Cav. Introduced ERVE5

  rocketsalad · Brassicaceae 2 counties
• 
  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
• 
  Erysimum cheiranthoides L. Introduced ERCH9

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

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

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

  burningbush · Celastraceae 15 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
• 
  Eupatorium cannabinum L. Introduced EUCA9

  hemp agrimony · Asteraceae 1 county
• 
  Euphorbia cyparissias L. Introduced EUCY2

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

  David's spurge · Euphorbiaceae 5 counties
• 
  Euphorbia esula L. Introduced EUES

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

  leafy spurge · Euphorbiaceae 1 county
• 
  Euphorbia falcata L. Introduced EUFA2

  sickle spurge · Euphorbiaceae 3 counties
• 
  Euphorbia helioscopia L. Introduced EUHE2

  madwoman's milk · Euphorbiaceae 6 counties
• 
  Euphorbia lathyris L. Introduced EULA4

  moleplant · Euphorbiaceae 15 counties
• 
  Euphorbia lucida Waldst. & Kit. Introduced EULU2

  shining spurge · Euphorbiaceae 3 counties
• 
  Euphorbia peplus L. Introduced EUPE6

  petty spurge · Euphorbiaceae 18 counties
• 
  Euphorbia platyphyllos L. Introduced EUPL

  broadleaf spurge · Euphorbiaceae 2 counties
• 
  Euphorbia segetalis L. Introduced EUSE8

  grainfield spurge · Euphorbiaceae 1 county
• 
  Euphrasia stricta D. Wolff ex J.F. Lehm. Introduced EUST7

  drug eyebright · Scrophulariaceae 2 counties
• 
  Eustachys retusa (Lag.) Kunth Introduced EURE5

  Argentine fingergrass · Poaceae 1 county
• 
  Exochorda racemosa (Lindl.) Rehder Introduced EXRA

  common pearlbrush · Rosaceae 2 counties
• 
  Fagopyrum esculentum Moench Introduced FAES2

  buckwheat · Polygonaceae 36 counties
• 
  Fagopyrum tataricum (L.) Gaertn. Introduced FATA

  Tartary buckwheat · Polygonaceae 2 counties
• 
  Falcaria vulgaris Bernh. Introduced FAVU

  sickleweed · Apiaceae 4 counties
• 
  Festuca brevipila Tracey Introduced FEBR7

  hard fescue · Poaceae 7 counties
• 
  Festuca filiformis Pourr. Introduced FEFI

  fineleaf sheep fescue · Poaceae 16 counties
• 
  Festuca ovina L. Introduced FEOV

  sheep fescue · Poaceae 1 county
• 
  Ficus carica L. Introduced FICA

  edible fig · Moraceae 4 counties
• 
  Filago vulgaris Lam. Introduced FIVU2

  common cottonrose · Asteraceae 8 counties
• 
  Filipendula ulmaria (L.) Maxim. Introduced FIUL

  queen of the meadow · Rosaceae 10 counties
• 
  Filipendula ulmaria (L.) Maxim. ssp. ulmaria Introduced FIULU

  queen of the meadow · Rosaceae 10 counties
• 
  Fimbristylis littoralis Gaudich. Introduced FILI3

  fimbry · Cyperaceae 1 county
• 
  Foeniculum vulgare Mill. Introduced FOVU

  sweet fennel · Apiaceae 7 counties
• 
  Forsythia suspensa (Thunb.) Vahl Introduced FOSU

  weeping forsythia · Oleaceae 3 counties
• 
  Forsythia viridissima Lindl. Introduced FOVI

  greenstem forsythia · Oleaceae 6 counties
• 
  Frangula alnus Mill. Introduced FRAL4

  glossy buckthorn · Rhamnaceae 16 counties
• 
  Fumaria officinalis L. Introduced FUOF

  drug fumitory · Fumariaceae 11 counties