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 1,751–1,800 of 2,748 (native).

• 
  Passiflora lutea L. Native PALU2

  yellow passionflower · Passifloraceae 6 counties
• 
  Patis racemosa (Sm.) Romasch., P.M. Peterson & R. J. Soreng Native PARA2

  blackseed ricegrass · Poaceae 37 counties
• 
  Paxistima canbyi A. Gray Native PACA

  Canby's mountain-lover · Celastraceae 1 county
• 
  Pedicularis canadensis L. Native PECA

  Canadian lousewort · Scrophulariaceae 60 counties
• 
  Pedicularis canadensis L. ssp. canadensis Native PECAC3

  Canadian lousewort · Scrophulariaceae 60 counties
• 
  Pedicularis lanceolata Michx. Native PELA2

  swamp lousewort · Scrophulariaceae 20 counties
• 
  Pellaea atropurpurea (L.) Link Native PEAT2

  purple cliffbrake · Pteridaceae 36 counties
• 
  Pellaea glabella Mett. ex Kuhn Native PEGL

  smooth cliffbrake · Pteridaceae 19 counties
• 
  Pellaea glabella Mett. ex Kuhn ssp. glabella Native PEGLG

  smooth cliffbrake · Pteridaceae 18 counties
• 
  Peltandra virginica (L.) Schott Native PEVI

  green arrow arum · Araceae 15 counties
• 
  Penstemon calycosus Small Native PECA7

  longsepal beardtongue · Scrophulariaceae 10 counties
• 
  Penstemon canescens (Britton) Britton Native PECA8

  eastern gray beardtongue · Scrophulariaceae 10 counties
• 
  Penstemon digitalis Nutt. ex Sims Native PEDI

  foxglove beardtongue · Scrophulariaceae 61 counties
• 
  Penstemon hirsutus (L.) Willd. Native PEHI

  hairy beardtongue · Scrophulariaceae 50 counties
• 
  Penstemon laevigatus Aiton Native PELA8

  eastern smooth beardtongue · Scrophulariaceae 18 counties
• 
  Penstemon pallidus Small Native PEPA7

  pale beardtongue · Scrophulariaceae 8 counties
• 
  Penstemon tubaeflorus Nutt. Native PETU

  white wand beardtongue · Scrophulariaceae 1 county
• 
  Penstemon tubaeflorus Nutt. var. achoreus Fernald Native PETUA

  white wand beardtongue · Scrophulariaceae 1 county
• 
  Penthorum sedoides L. Native PESE6

  ditch stonecrop · Crassulaceae 64 counties
• 
  Phacelia bipinnatifida Michx. Native PHBI2

  fernleaf phacelia · Hydrophyllaceae 1 county
• 
  Phacelia dubia (L.) Trel. Native PHDU

  smallflower phacelia · Hydrophyllaceae 12 counties
• 
  Phacelia dubia (L.) Trel. var. dubia Native PHDUD

  smallflower phacelia · Hydrophyllaceae 12 counties
• 
  Phacelia hirsuta Nutt. Native PHHI

  fuzzy phacelia · Hydrophyllaceae 2 counties
• 
  Phacelia purshii Buckley Native PHPU3

  Miami mist · Hydrophyllaceae 12 counties
• 
  Phalaris arundinacea L. Native PHAR3

  reed canarygrass · Poaceae 62 counties
• 
  Phaseolus polystachios (L.) Britton, Sterns & Poggenb. Native PHPO2

  thicket bean · Fabaceae 17 counties
• 
  Phaseolus polystachios (L.) Britton, Sterns & Poggenb. var. polystachios Native PHPOP

  thicket bean · Fabaceae 16 counties
• 
  Phegopteris connectilis (Michx.) Watt Native PHCO24

  long beechfern · Thelypteridaceae 44 counties
• 
  Phegopteris hexagonoptera (Michx.) Fée Native PHHE11

  broad beechfern · Thelypteridaceae 61 counties
• 
  Phemeranthus teretifolius (Pursh) Raf. Native PHTE18

  quill fameflower · Portulacaceae 2 counties
• 
  Philadelphus inodorus L. Native PHIN5

  scentless mock orange · Hydrangeaceae 8 counties
• 
  Philadelphus pubescens Loisel. Native PHPU4

  hoary mock orange · Hydrangeaceae 4 counties
• 
  Philadelphus pubescens Loisel. var. pubescens Native PHPUP

  hoary mock orange · Hydrangeaceae 4 counties
• 
  Phlox divaricata L. Native PHDI5

  wild blue phlox · Polemoniaceae 46 counties
• 
  Phlox divaricata L. ssp. divaricata Native PHDID3

  wild blue phlox · Polemoniaceae 45 counties
• 
  Phlox divaricata L. ssp. laphamii (Alph. Wood) Wherry Native PHDIL6

  Lapham's phlox · Polemoniaceae 11 counties
• 
  Phlox latifolia Michx. Native PHLA13

  wideflower phlox · Polemoniaceae 6 counties
• 
  Phlox maculata L. Native PHMA4

  wild sweetwilliam · Polemoniaceae 49 counties
• 
  Phlox maculata L. ssp. maculata Native PHMAM

  wild sweetwilliam · Polemoniaceae 47 counties
• 
  Phlox maculata L. ssp. pyramidalis (Sm.) Wherry Native PHMAP3

  wild sweetwilliam · Polemoniaceae 23 counties
• 
  Phlox paniculata L. Native PHPA9

  fall phlox · Polemoniaceae 53 counties
• 
  Phlox pilosa L. Native PHPI

  downy phlox · Polemoniaceae 11 counties
• 
  Phlox pilosa L. ssp. pilosa Native PHPIP2

  downy phlox · Polemoniaceae 11 counties
• 
  Phlox stolonifera Sims Native PHST3

  creeping phlox · Polemoniaceae 17 counties
• 
  Phlox subulata L. Native PHSU3

  moss phlox · Polemoniaceae 38 counties
• 
  Phlox subulata L. ssp. brittonii (Small) Wherry Native PHSUB2

  Britton's phlox · Polemoniaceae 2 counties
• 
  Phlox subulata L. ssp. subulata Native PHSUS2

  moss phlox · Polemoniaceae 38 counties
• 
  Phoradendron leucarpum (Raf.) Reveal & M.C. Johnst. Native PHLE14

  oak mistletoe · Viscaceae 4 counties
• 
  Phryma leptostachya L. Native PHLE5

  American lopseed · Verbenaceae 49 counties
• 
  Phyla lanceolata (Michx.) Greene Native PHLA3

  lanceleaf fogfruit · Verbenaceae 13 counties