Illinois

• Adams 17001
  1,183 taxa Open ↗
• Alexander 17003
  1,220 taxa Open ↗
• Bond 17005
  682 taxa Open ↗
• Boone 17007
  1,163 taxa Open ↗
• Brown 17009
  836 taxa Open ↗
• Bureau 17011
  652 taxa Open ↗
• Calhoun 17013
  1,017 taxa Open ↗
• Carroll 17015
  931 taxa Open ↗
• Cass 17017
  1,389 taxa Open ↗
• Champaign 17019
  1,420 taxa Open ↗

Showing 2,551–2,600 of 3,775.

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  Physocarpus opulifolius (L.) Maxim. var. intermedius (Rydb.) B.L. Rob. Native PHOPI

  Atlantic ninebark · Rosaceae 3 counties
• 
  Physocarpus opulifolius (L.) Maxim., orth. cons. Native PHOP

  common ninebark · Rosaceae 30 counties
• 
  Physostegia angustifolia Fernald Native PHAN6

  narrowleaf false dragonhead · Lamiaceae 23 counties
• 
  Physostegia intermedia (Nutt.) Engelm. & A. Gray Native PHIN8

  slender false dragonhead · Lamiaceae 2 counties
• 
  Physostegia parviflora Nutt. ex A. Gray Native PHPA10

  western false dragonhead · Lamiaceae 3 counties
• 
  Physostegia virginiana (L.) Benth. Native PHVI8

  obedient plant · Lamiaceae 84 counties
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  Physostegia virginiana (L.) Benth. ssp. virginiana Native PHVIV

  obedient plant · Lamiaceae 58 counties
• 
  Phytolacca americana L. Native PHAM4

  American pokeweed · Phytolaccaceae 89 counties
• 
  Phytolacca americana L. var. americana Native PHAMA3

  American pokeweed · Phytolaccaceae 89 counties
• 
  Picea abies (L.) Karst. Introduced PIAB

  Norway spruce · Pinaceae 1 county
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  Picea mariana (Mill.) Britton, Sterns & Poggenb. Native PIMA

  black spruce · Pinaceae 1 county
• 
  Picris echioides L. Introduced PIEC

  bristly oxtongue · Asteraceae 1 county
• 
  Picris hieracioides L. Both PIHI

  hawkweed oxtongue · Asteraceae 1 county
• 
  Picris hieracioides L. ssp. hieracioides Introduced PIHIH

  hawkweed oxtongue · Asteraceae 1 county
• 
  Pilea fontana (Lunell) Rydb. Native PIFO

  lesser clearweed · Urticaceae 18 counties
• 
  Pilea pumila (L.) A. Gray Native PIPU2

  Canadian clearweed · Urticaceae 95 counties
• 
  Pilea pumila (L.) A. Gray var. pumila Native PIPUP

  Canadian clearweed · Urticaceae 95 counties
• 
  Pinus banksiana Lamb. Native PIBA2

  jack pine · Pinaceae 5 counties
• 
  Pinus echinata Mill. Native PIEC2

  shortleaf pine · Pinaceae 6 counties
• 
  Pinus nigra Arnold Introduced PINI

  Austrian pine · Pinaceae 1 county
• 
  Pinus pungens Lamb. Native PIPU5

  Table Mountain pine · Pinaceae 1 county
• 
  Pinus resinosa Aiton Native PIRE

  red pine · Pinaceae 3 counties
• 
  Pinus rigida Mill. Native PIRI

  pitch pine · Pinaceae 1 county
• 
  Pinus strobus L. Native PIST

  eastern white pine · Pinaceae 11 counties
• 
  Pinus sylvestris L. Introduced PISY

  Scots pine · Pinaceae 4 counties
• 
  Pinus taeda L. Native PITA

  loblolly pine · Pinaceae 5 counties
• 
  Pinus virginiana Mill. Native PIVI2

  Virginia pine · Pinaceae 1 county
• 
  Pinus wallichiana A.B. Jacks. Introduced PIWA3

  Bhutan pine · Pinaceae 1 county
• 
  Piptatheropsis pungens (Torr.) Romasch., P.M. Peterson & R.J. Soreng Native PIPU9

  mountain ricegrass · Poaceae 1 county
• 
  Pisum sativum L. Introduced PISA6

  garden pea · Fabaceae 4 counties
• 
  Plagiobothrys figuratus (Piper) I.M. Johnst. ex M. Peck Native PLFI

  fragrant popcornflower · Boraginaceae 1 county
• 
  Plagiobothrys figuratus (Piper) I.M. Johnst. ex M. Peck ssp. figuratus Native PLFIF

  fragrant popcornflower · Boraginaceae 1 county
• 
  Planera aquatica J.F. Gmel. Native PLAQ

  planertree · Ulmaceae 6 counties
• 
  Plantago arenaria Waldst. & Kit. Introduced PLAR6

  sand plantain · Plantaginaceae 7 counties
• 
  Plantago aristata Michx. Native PLAR3

  largebracted plantain · Plantaginaceae 96 counties
• 
  Plantago cordata Lam. Native PLCO2

  heartleaf plantain · Plantaginaceae 22 counties
• 
  Plantago heterophylla Nutt. Native PLHE2

  slender plantain · Plantaginaceae 3 counties
• 
  Plantago lanceolata L. Introduced PLLA

  narrowleaf plantain · Plantaginaceae 102 counties
• 
  Plantago major L. Introduced PLMA2

  common plantain · Plantaginaceae 30 counties
• 
  Plantago media L. Introduced PLME

  hoary plantain · Plantaginaceae 1 county
• 
  Plantago patagonica Jacq. Native PLPA2

  woolly plantain · Plantaginaceae 24 counties
• 
  Plantago pusilla Nutt. Native PLPU

  dwarf plantain · Plantaginaceae 43 counties
• 
  Plantago rhodosperma Decne. Native PLRH

  redseed plantain · Plantaginaceae 1 county
• 
  Plantago rugelii Decne. Native PLRU

  blackseed plantain · Plantaginaceae 102 counties
• 
  Plantago rugelii Decne. var. rugelii Native PLRUR

  blackseed plantain · Plantaginaceae 102 counties
• 
  Plantago virginica L. Native PLVI

  Virginia plantain · Plantaginaceae 81 counties
• 
  Platanthera aquilonis Sheviak Native PLAQ2

  northern green orchid · Orchidaceae 1 county
• 
  Platanthera blephariglottis (Willd.) Lindl. Native PLBL

  white fringed orchid · Orchidaceae 1 county
• 
  Platanthera blephariglottis (Willd.) Lindl. var. blephariglottis Native PLBLB

  white fringed orchid · Orchidaceae 1 county
• 
  Platanthera ciliaris (L.) Lindl. Native PLCI2

  yellow fringed orchid · Orchidaceae 3 counties