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 1,451–1,500 of 3,901.

• 
  Euphorbia falcata L. Introduced EUFA2

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

  madwoman's milk · Euphorbiaceae 6 counties
• 
  Euphorbia ipecacuanhae L. Native EUIP

  American ipecac · Euphorbiaceae 1 county
• 
  Euphorbia lathyris L. Introduced EULA4

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

  shining spurge · Euphorbiaceae 3 counties
• 
  Euphorbia marginata Pursh Native EUMA8

  snow on the mountain · Euphorbiaceae 23 counties
• 
  Euphorbia peplus L. Introduced EUPE6

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

  broadleaf spurge · Euphorbiaceae 2 counties
• 
  Euphorbia purpurea (Raf.) Fernald Native EUPU4

  Darlington's glade spurge · Euphorbiaceae 7 counties
• 
  Euphorbia segetalis L. Introduced EUSE8

  grainfield spurge · Euphorbiaceae 1 county
• 
  Euphorbia spathulata Lam. Native EUSP

  warty spurge · Euphorbiaceae 3 counties
• 
  Euphrasia stricta D. Wolff ex J.F. Lehm. Introduced EUST7

  drug eyebright · Scrophulariaceae 2 counties
• 
  Eurybia divaricata (L.) G.L. Nesom Native EUDI16

  white wood aster · Asteraceae 66 counties
• 
  Eurybia macrophylla (L.) Cass. Native EUMA27

  bigleaf aster · Asteraceae 62 counties
• 
  Eurybia radula (Aiton) G.L. Nesom Native EURA10

  low rough aster · Asteraceae 17 counties
• 
  Eurybia schreberi (Nees) Nees Native EUSC5

  Schreber's aster · Asteraceae 55 counties
• 
  Eurybia spectabilis (Aiton) G.L. Nesom Native EUSP3

  eastern showy aster · Asteraceae 2 counties
• 
  Eustachys petraea (Sw.) Desv. Native EUPE9

  pinewoods fingergrass · Poaceae 1 county
• 
  Eustachys retusa (Lag.) Kunth Introduced EURE5

  Argentine fingergrass · Poaceae 1 county
• 
  Euthamia caroliniana (L.) Greene ex Porter & Britton Native EUCA26

  slender goldentop · Asteraceae 4 counties
• 
  Euthamia graminifolia (L.) Nutt. Native EUGR5

  flat-top goldentop · Asteraceae 66 counties
• 
  Euthamia graminifolia (L.) Nutt. var. graminifolia Native EUGRG

  flat-top goldentop · Asteraceae 66 counties
• 
  Eutrochium dubium (Willd. ex Poir.) E.E. Lamont Native EUDU6

  coastal plain joe pye weed · Asteraceae 9 counties
• 
  Eutrochium fistulosum (Barratt) E.E. Lamont Native EUFI14

  trumpetweed · Asteraceae 64 counties
• 
  Eutrochium maculatum (L.) E.E. Lamont Native EUMA9

  spotted joe pye weed · Asteraceae 41 counties
• 
  Eutrochium maculatum (L.) E.E. Lamont var. maculatum Native EUMAM4

  spotted joe pye weed · Asteraceae 41 counties
• 
  Eutrochium purpureum (L.) E.E. Lamont Native EUPU21

  sweetscented joe pye weed · Asteraceae 59 counties
• 
  Eutrochium purpureum (L.) E.E. Lamont var. purpureum Native EUPUP4

  sweetscented joe pye weed · Asteraceae 59 counties
• 
  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
• 
  Fagus grandifolia Ehrh. Native FAGR

  American beech · Fagaceae 66 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
• 
  Festuca paradoxa Desv. Native FEPA2

  clustered fescue · Poaceae 7 counties
• 
  Festuca rubra L. Both FERU2

  red fescue · Poaceae 28 counties
• 
  Festuca rubra L. ssp. rubra Native FERUR2

  red fescue · Poaceae 28 counties
• 
  Festuca subverticillata (Pers.) Alexeev Native FESU3

  nodding fescue · Poaceae 64 counties
• 
  Ficus carica L. Introduced FICA

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

  common cottonrose · Asteraceae 8 counties
• 
  Filipendula rubra (Hill) B.L. Rob. Native FIRU2

  queen of the prairie · Rosaceae 29 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 annua (All.) Roem. & Schult. Native FIAN

  annual fimbry · Cyperaceae 4 counties
• 
  Fimbristylis autumnalis (L.) Roem. & Schult. Native FIAU2

  slender fimbry · Cyperaceae 22 counties
• 
  Fimbristylis castanea (Michx.) Vahl Native FICA4

  marsh fimbry · Cyperaceae 2 counties
• 
  Fimbristylis littoralis Gaudich. Introduced FILI3

  fimbry · Cyperaceae 1 county
• 
  Fimbristylis puberula (Michx.) Vahl Native FIPU

  hairy fimbry · Cyperaceae 1 county