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 1,601–1,650 of 3,901.

• 
  Geum canadense Jacq. var. canadense Native GECAC6

  white avens · Rosaceae 67 counties
• 
  Geum laciniatum Murray Native GELA

  rough avens · Rosaceae 56 counties
• 
  Geum laciniatum Murray var. laciniatum Native GELAL

  rough avens · Rosaceae 44 counties
• 
  Geum laciniatum Murray var. trichocarpum Fernald Native GELAT

  rough avens · Rosaceae 47 counties
• 
  Geum rivale L. Native GERI2

  purple avens · Rosaceae 23 counties
• 
  Geum urbanum L. Introduced GEUR

  herb bennet · Rosaceae 1 county
• 
  Geum vernum (Raf.) Torr. & A. Gray Native GEVE

  spring avens · Rosaceae 22 counties
• 
  Geum virginianum L. Native GEVI4

  cream avens · Rosaceae 34 counties
• 
  Gillenia trifoliata (L.) Moench Native GITR6

  Bowman's root · Rosaceae 55 counties
• 
  Ginkgo biloba L. Introduced GIBI2

  maidenhair tree · Ginkgoaceae 5 counties
• ⚘
  Gladiolus ×gandavensis Van Houtte [dalenii × oppositiflorus] Introduced GLGA2

  gladiolus · Iridaceae 5 counties
• 
  Glandularia canadensis (L.) Nutt. Native GLCA2

  rose mock vervain · Verbenaceae 3 counties
• ⚘
  Glandularia ×hybrida (Groenl. & Rümpler) G.L. Nesom & Pruski [peruviana × phlogiflora or platensis] Introduced GLHY

  mock vervain · Verbenaceae 1 county
• 
  Glaucium corniculatum (L.) J.H. Rudolph Introduced GLCO3

  blackspot hornpoppy · Papaveraceae 1 county
• 
  Glaucium flavum Crantz Introduced GLFL

  yellow hornpoppy · Papaveraceae 1 county
• 
  Glebionis segetum (L.) Fourr. Introduced GLSE5

  corndaisy · Asteraceae 1 county
• 
  Glechoma hederacea L. Introduced GLHE2

  ground ivy · Lamiaceae 65 counties
• 
  Gleditsia triacanthos L. Native GLTR

  honeylocust · Fabaceae 47 counties
• 
  Glossostigma cleistanthum W.R. Barker Introduced GLCL3

  mudmats · Scrophulariaceae 1 county
• 
  Glyceria acutiflora Torr. Native GLAC

  creeping mannagrass · Poaceae 21 counties
• 
  Glyceria borealis (Nash) Batchelder Native GLBO

  small floating mannagrass · Poaceae 9 counties
• 
  Glyceria canadensis (Michx.) Trin. Native GLCA

  rattlesnake mannagrass · Poaceae 51 counties
• 
  Glyceria fluitans (L.) R. Br. Introduced GLFL2

  water mannagrass · Poaceae 1 county
• 
  Glyceria grandis S. Watson Native GLGR

  American mannagrass · Poaceae 36 counties
• 
  Glyceria grandis S. Watson var. grandis Native GLGRG

  American mannagrass · Poaceae 36 counties
• 
  Glyceria melicaria (Michx.) F.T. Hubbard Native GLME2

  melic mannagrass · Poaceae 52 counties
• 
  Glyceria obtusa (Muhl.) Trin. Native GLOB

  Atlantic mannagrass · Poaceae 4 counties
• 
  Glyceria septentrionalis Hitchc. Native GLSE3

  floating mannagrass · Poaceae 41 counties
• 
  Glyceria striata (Lam.) Hitchc. Native GLST

  fowl mannagrass · Poaceae 66 counties
• 
  Glycine max (L.) Merr. Introduced GLMA4

  soybean · Fabaceae 9 counties
• 
  Glycyrrhiza lepidota Pursh Native GLLE3

  American licorice · Fabaceae 1 county
• 
  Gnaphalium uliginosum L. Introduced GNUL

  marsh cudweed · Asteraceae 59 counties
• 
  Gomphrena globosa L. Introduced GOGL

  common globe amaranth · Amaranthaceae 3 counties
• 
  Goodyera pubescens (Willd.) R. Br. Native GOPU

  downy rattlesnake plantain · Orchidaceae 51 counties
• 
  Goodyera repens (L.) R. Br. Native GORE2

  lesser rattlesnake plantain · Orchidaceae 13 counties
• 
  Goodyera tesselata Lodd. Native GOTE

  checkered rattlesnake plantain · Orchidaceae 6 counties
• 
  Gossypium hirsutum L. Native GOHI

  upland cotton · Malvaceae 4 counties
• 
  Gossypium hirsutum L. var. hirsutum Native GOHIH2

  upland cotton · Malvaceae 4 counties
• 
  Gratiola aurea Pursh Native GRAU

  golden hedgehyssop · Scrophulariaceae 6 counties
• 
  Gratiola neglecta Torr. Native GRNE

  clammy hedgehyssop · Scrophulariaceae 63 counties
• 
  Grindelia squarrosa (Pursh) Dunal Native GRSQ

  curlycup gumweed · Asteraceae 8 counties
• 
  Guizotia abyssinica (L. f.) Cass. Introduced GUAB

  ramtilla · Asteraceae 3 counties
• 
  Gymnocarpium appalachianum Pryer Native GYAP

  Appalachian oakfern · Dryopteridaceae 1 county
• 
  Gymnocarpium dryopteris (L.) Newman Native GYDR

  western oakfern · Dryopteridaceae 45 counties
• ⚘
  Gymnocarpium ×heterosporum W.H. Wagner (pro sp.) [appalachianum × robertianum] Native GYHE3

  blackspore oakfern · Dryopteridaceae 1 county
• 
  Gymnocladus dioicus (L.) K. Koch Native GYDI

  Kentucky coffeetree · Fabaceae 17 counties
• 
  Gymnopogon ambiguus (Michx.) Britton, Sterns & Poggenb. Native GYAM

  bearded skeletongrass · Poaceae 1 county
• 
  Gypsophila elegans M. Bieb. Introduced GYEL

  showy baby's-breath · Caryophyllaceae 2 counties
• 
  Gypsophila muralis L. Introduced GYMU

  low baby's-breath · Caryophyllaceae 2 counties
• 
  Hackelia virginiana (L.) I.M. Johnst. Native HAVI2

  beggarslice · Boraginaceae 55 counties