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 1,801–1,850 of 2,748 (native).

• 
  Phyllanthus caroliniensis Walter Native PHCA9

  Carolina leaf-flower · Euphorbiaceae 4 counties
• 
  Phyllanthus caroliniensis Walter ssp. caroliniensis Native PHCAC

  Carolina leaf-flower · Euphorbiaceae 4 counties
• 
  Physalis heterophylla Nees Native PHHE5

  clammy groundcherry · Solanaceae 50 counties
• 
  Physalis heterophylla Nees var. heterophylla Native PHHEH3

  clammy groundcherry · Solanaceae 50 counties
• 
  Physalis longifolia Nutt. Native PHLO4

  longleaf groundcherry · Solanaceae 48 counties
• 
  Physalis longifolia Nutt. var. subglabrata (Mack. & Bush) Cronquist Native PHLOS

  longleaf groundcherry · Solanaceae 48 counties
• 
  Physalis pubescens L. Native PHPU7

  husk tomato · Solanaceae 14 counties
• 
  Physalis pubescens L. var. integrifolia (Dunal) Waterf. Native PHPUI

  husk tomato · Solanaceae 11 counties
• 
  Physalis pubescens L. var. pubescens Native PHPUP4

  husk tomato · Solanaceae 4 counties
• 
  Physalis virginiana Mill. Native PHVI5

  Virginia groundcherry · Solanaceae 7 counties
• 
  Physalis virginiana Mill. var. virginiana Native PHVIV3

  Virginia groundcherry · Solanaceae 6 counties
• 
  Physocarpus opulifolius (L.) Maxim. var. opulifolius Native PHOPO

  common ninebark · Rosaceae 62 counties
• 
  Physocarpus opulifolius (L.) Maxim., orth. cons. Native PHOP

  common ninebark · Rosaceae 62 counties
• 
  Physostegia virginiana (L.) Benth. Native PHVI8

  obedient plant · Lamiaceae 44 counties
• 
  Physostegia virginiana (L.) Benth. ssp. virginiana Native PHVIV

  obedient plant · Lamiaceae 44 counties
• 
  Phytolacca americana L. Native PHAM4

  American pokeweed · Phytolaccaceae 64 counties
• 
  Phytolacca americana L. var. americana Native PHAMA3

  American pokeweed · Phytolaccaceae 64 counties
• 
  Picea glauca (Moench) Voss Native PIGL

  white spruce · Pinaceae 7 counties
• 
  Picea mariana (Mill.) Britton, Sterns & Poggenb. Native PIMA

  black spruce · Pinaceae 17 counties
• 
  Picea pungens Engelm. Native PIPU

  blue spruce · Pinaceae 3 counties
• 
  Picea rubens Sarg. Native PIRU

  red spruce · Pinaceae 13 counties
• 
  Pilea fontana (Lunell) Rydb. Native PIFO

  lesser clearweed · Urticaceae 9 counties
• 
  Pilea pumila (L.) A. Gray Native PIPU2

  Canadian clearweed · Urticaceae 66 counties
• 
  Pilea pumila (L.) A. Gray var. pumila Native PIPUP

  Canadian clearweed · Urticaceae 66 counties
• 
  Pinus banksiana Lamb. Native PIBA2

  jack pine · Pinaceae 9 counties
• 
  Pinus echinata Mill. Native PIEC2

  shortleaf pine · Pinaceae 15 counties
• 
  Pinus pungens Lamb. Native PIPU5

  Table Mountain pine · Pinaceae 23 counties
• 
  Pinus resinosa Aiton Native PIRE

  red pine · Pinaceae 26 counties
• 
  Pinus rigida Mill. Native PIRI

  pitch pine · Pinaceae 61 counties
• 
  Pinus strobus L. Native PIST

  eastern white pine · Pinaceae 66 counties
• 
  Pinus virginiana Mill. Native PIVI2

  Virginia pine · Pinaceae 52 counties
• 
  Piptatheropsis pungens (Torr.) Romasch., P.M. Peterson & R.J. Soreng Native PIPU9

  mountain ricegrass · Poaceae 4 counties
• 
  Piptochaetium avenaceum (L.) Parodi Native PIAV

  blackseed speargrass · Poaceae 7 counties
• 
  Plantago aristata Michx. Native PLAR3

  largebracted plantain · Plantaginaceae 36 counties
• 
  Plantago heterophylla Nutt. Native PLHE2

  slender plantain · Plantaginaceae 1 county
• 
  Plantago pusilla Nutt. Native PLPU

  dwarf plantain · Plantaginaceae 2 counties
• 
  Plantago rugelii Decne. Native PLRU

  blackseed plantain · Plantaginaceae 66 counties
• 
  Plantago rugelii Decne. var. rugelii Native PLRUR

  blackseed plantain · Plantaginaceae 66 counties
• 
  Plantago virginica L. Native PLVI

  Virginia plantain · Plantaginaceae 43 counties
• 
  Platanthera blephariglottis (Willd.) Lindl. Native PLBL

  white fringed orchid · Orchidaceae 9 counties
• 
  Platanthera blephariglottis (Willd.) Lindl. var. blephariglottis Native PLBLB

  white fringed orchid · Orchidaceae 9 counties
• 
  Platanthera ciliaris (L.) Lindl. Native PLCI2

  yellow fringed orchid · Orchidaceae 34 counties
• 
  Platanthera clavellata (Michx.) Luer Native PLCL

  small green wood orchid · Orchidaceae 49 counties
• 
  Platanthera cristata (Michx.) Lindl. Native PLCR

  crested yellow orchid · Orchidaceae 1 county
• 
  Platanthera dilatata (Pursh) Lindl. ex Beck Native PLDI3

  scentbottle · Orchidaceae 4 counties
• 
  Platanthera dilatata (Pursh) Lindl. ex Beck var. dilatata Native PLDID

  scentbottle · Orchidaceae 4 counties
• 
  Platanthera flava (L.) Lindl. Native PLFL

  palegreen orchid · Orchidaceae 39 counties
• 
  Platanthera flava (L.) Lindl. var. flava Native PLFLF

  palegreen orchid · Orchidaceae 1 county
• 
  Platanthera flava (L.) Lindl. var. herbiola (R. Br.) Luer Native PLFLH

  palegreen orchid · Orchidaceae 38 counties
• 
  Platanthera grandiflora (Bigelow) Lindl. Native PLGR2

  greater purple fringed orchid · Orchidaceae 40 counties