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 401–450 of 1,109 (introduced).

• 
  Fumaria officinalis L. ssp. officinalis Introduced FUOFO

  drug fumitory · Fumariaceae 11 counties
• 
  Fumaria parviflora Lam. Introduced FUPA

  fineleaf fumitory · Fumariaceae 1 county
• ⚘
  Gaillardia ×grandiflora Van Houtte [aristata × pulchella] Introduced GAGR11

  blanketflower · Asteraceae 7 counties
• 
  Galanthus elwesii Hook. f. Introduced GAEL5

  giant snowdrop · Liliaceae 1 county
• 
  Galanthus nivalis L. Introduced GANI

  snowdrop · Liliaceae 1 county
• 
  Galega officinalis L. Introduced GAOF

  professor-weed · Fabaceae 3 counties
• 
  Galeopsis bifida Boenn. Introduced GABI3

  splitlip hempnettle · Lamiaceae 30 counties
• 
  Galeopsis ladanum L. Introduced GALA

  red hempnettle · Lamiaceae 3 counties
• 
  Galeopsis ladanum L. var. ladanum Introduced GALAL

  red hempnettle · Lamiaceae 3 counties
• 
  Galeopsis tetrahit L. Introduced GATE2

  brittlestem hempnettle · Lamiaceae 1 county
• 
  Galeopsis tetrahit L. var. tetrahit Introduced GATET2

  brittlestem hempnettle · Lamiaceae 1 county
• 
  Galinsoga parviflora Cav. Introduced GAPA2

  gallant soldier · Asteraceae 14 counties
• 
  Galinsoga quadriradiata Cav. Introduced GAQU

  shaggy soldier · Asteraceae 67 counties
• 
  Galium mollugo L. Introduced GAMO

  false baby's breath · Rubiaceae 46 counties
• 
  Galium odoratum (L.) Scop. Introduced GAOD3

  sweetscented bedstraw · Rubiaceae 4 counties
• 
  Galium rubioides L. Introduced GARU

  European bedstraw · Rubiaceae 1 county
• 
  Galium tricornutum Dandy Introduced GATR6

  roughfruit corn bedstraw · Rubiaceae 3 counties
• 
  Galium verum L. Introduced GAVE

  Yellow Spring bedstraw · Rubiaceae 26 counties
• 
  Galium verum L. var. wirtgenii (F.W. Schultz) Oborny Introduced GAVEW2

  Wirtgen's bedstraw · Rubiaceae 4 counties
• 
  Geranium columbinum L. Introduced GECO

  longstalk cranesbill · Geraniaceae 23 counties
• 
  Geranium dissectum L. Introduced GEDI

  cutleaf geranium · Geraniaceae 2 counties
• 
  Geranium molle L. Introduced GEMO

  dovefoot geranium · Geraniaceae 19 counties
• 
  Geranium pratense L. Introduced GEPR4

  meadow geranium · Geraniaceae 1 county
• 
  Geranium pusillum L. Introduced GEPU2

  small geranium · Geraniaceae 20 counties
• 
  Geranium sanguineum L. Introduced GESA2

  bloody geranium · Geraniaceae 4 counties
• 
  Geranium sibiricum L. Introduced GESI2

  Siberian geranium · Geraniaceae 12 counties
• 
  Geranium versicolor L. Introduced GEVE3

  veiny geranium · Geraniaceae 4 counties
• 
  Geum urbanum L. Introduced GEUR

  herb bennet · Rosaceae 1 county
• 
  Ginkgo biloba L. Introduced GIBI2

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

  gladiolus · Iridaceae 5 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
• 
  Glossostigma cleistanthum W.R. Barker Introduced GLCL3

  mudmats · Scrophulariaceae 1 county
• 
  Glyceria fluitans (L.) R. Br. Introduced GLFL2

  water mannagrass · Poaceae 1 county
• 
  Glycine max (L.) Merr. Introduced GLMA4

  soybean · Fabaceae 9 counties
• 
  Gnaphalium uliginosum L. Introduced GNUL

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

  common globe amaranth · Amaranthaceae 3 counties
• 
  Guizotia abyssinica (L. f.) Cass. Introduced GUAB

  ramtilla · Asteraceae 3 counties
• 
  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
• 
  Hedera helix L. Introduced HEHE

  English ivy · Araliaceae 11 counties
• 
  Heliotropium amplexicaule Vahl Introduced HEAM4

  clasping heliotrope · Boraginaceae 1 county
• 
  Heliotropium europaeum L. Introduced HEEU

  European heliotrope · Boraginaceae 10 counties
• 
  Heliotropium ramosissimum (Lehm.) DC. Introduced HERA7

  wavy heliotrope · Boraginaceae 1 county
• 
  Heliotropium supinum L. Introduced HESU6

  dwarf heliotrope · Boraginaceae 1 county
• 
  Helleborus viridis L. Introduced HEVI

  green hellebore · Ranunculaceae 17 counties
• 
  Hemarthria altissima (Poir.) Stapf & C.E. Hubbard Introduced HEAL5

  limpograss · Poaceae 2 counties