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 1,501–1,550 of 3,901.

• 
  Fimbristylis puberula (Michx.) Vahl var. puberula Native FIPUP

  hairy fimbry · Cyperaceae 1 county
• 
  Fimbristylis vahlii (Lam.) Link Native FIVA

  Vahl's fimbry · Cyperaceae 1 county
• 
  Floerkea proserpinacoides Willd. Native FLPR

  false mermaidweed · Limnanthaceae 50 counties
• 
  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
• 
  Fragaria vesca L. Native FRVE

  woodland strawberry · Rosaceae 55 counties
• 
  Fragaria vesca L. ssp. americana (Porter) Staudt Native FRVEA2

  woodland strawberry · Rosaceae 40 counties
• 
  Fragaria vesca L. ssp. vesca Native FRVEV

  woodland strawberry · Rosaceae 47 counties
• 
  Fragaria virginiana Duchesne Native FRVI

  Virginia strawberry · Rosaceae 67 counties
• 
  Fragaria virginiana Duchesne ssp. virginiana Native FRVIV

  Virginia strawberry · Rosaceae 67 counties
• ⚘
  Fragaria ×ananassa (Weston) Duchesne ex Rozier (pro sp.) [chiloensis × virginiana] Native FRAN

  strawberry · Rosaceae 8 counties
• ⚘
  Fragaria ×ananassa (Weston) Duchesne ex Rozier ssp. ananassa Native FRANA3

  strawberry · Rosaceae 8 counties
• 
  Frangula alnus Mill. Introduced FRAL4

  glossy buckthorn · Rhamnaceae 16 counties
• 
  Frasera caroliniensis Walter Native FRCA2

  American columbo · Gentianaceae 5 counties
• 
  Fraxinus americana L. Native FRAM2

  white ash · Oleaceae 66 counties
• 
  Fraxinus nigra Marshall Native FRNI

  black ash · Oleaceae 49 counties
• 
  Fraxinus pennsylvanica Marshall Native FRPE

  green ash · Oleaceae 48 counties
• 
  Fraxinus profunda (Bush) Bush Native FRPR

  pumpkin ash · Oleaceae 1 county
• 
  Froelichia gracilis (Hook.) Moq. Native FRGR3

  slender snakecotton · Amaranthaceae 11 counties
• 
  Fumaria officinalis L. Introduced FUOF

  drug fumitory · Fumariaceae 11 counties
• 
  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
• 
  Galactia regularis (L.) Britton, Sterns & Poggenb. Native GARE2

  eastern milkpea · Fabaceae 2 counties
• 
  Galactia volubilis (L.) Britton Native GAVO

  downy milkpea · Fabaceae 2 counties
• 
  Galanthus elwesii Hook. f. Introduced GAEL5

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

  snowdrop · Liliaceae 1 county
• 
  Galearis spectabilis (L.) Raf. Native GASP5

  showy orchid · Orchidaceae 48 counties
• 
  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 aparine L. Native GAAP2

  stickywilly · Rubiaceae 64 counties
• 
  Galium asprellum Michx. Native GAAS2

  rough bedstraw · Rubiaceae 64 counties
• 
  Galium boreale L. Native GABO2

  northern bedstraw · Rubiaceae 35 counties
• 
  Galium circaezans Michx. Native GACI2

  licorice bedstraw · Rubiaceae 60 counties
• 
  Galium circaezans Michx. var. circaezans Native GACIC

  licorice bedstraw · Rubiaceae 54 counties
• 
  Galium circaezans Michx. var. hypomalacum Fernald Native GACIH

  licorice bedstraw · Rubiaceae 51 counties
• 
  Galium concinnum Torr. & A. Gray Native GACO3

  shining bedstraw · Rubiaceae 28 counties
• 
  Galium labradoricum (Wiegand) Wiegand Native GALA2

  northern bog bedstraw · Rubiaceae 5 counties
• 
  Galium lanceolatum Torr. Native GALA3

  lanceleaf wild licorice · Rubiaceae 62 counties
• 
  Galium latifolium Michx. Native GALA4

  purple bedstraw · Rubiaceae 8 counties
• 
  Galium mollugo L. Introduced GAMO

  false baby's breath · Rubiaceae 46 counties
• 
  Galium obtusum Bigelow Native GAOB

  bluntleaf bedstraw · Rubiaceae 34 counties
• 
  Galium obtusum Bigelow ssp. obtusum Native GAOBO

  bluntleaf bedstraw · Rubiaceae 34 counties