Colorado

• Adams 08001
  205 taxa Open ↗
• Alamosa 08003
  652 taxa Open ↗
• Arapahoe 08005
  254 taxa Open ↗
• Archuleta 08007
  651 taxa Open ↗
• Baca 08009
  785 taxa Open ↗
• Bent 08011
  267 taxa Open ↗
• Boulder 08013
  1,961 taxa Open ↗
• Broomfield 08014
  0 taxa Open ↗
• Chaffee 08015
  607 taxa Open ↗
• Cheyenne 08017
  694 taxa Open ↗

Showing 2,751–2,800 of 4,111.

• 
  Parnassia kotzebuei Cham. ex Spreng. Native PAKO3

  Kotzebue's grass of Parnassus · Saxifragaceae 6 counties
• 
  Parnassia palustris L. Native PAPA8

  marsh grass of Parnassus · Saxifragaceae 15 counties
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  Parnassia palustris L. var. montanensis (Fernald & Rydb. ex Rydb.) C.L. Hitchc. Native PAPAM2

  mountain grass of Parnassus · Saxifragaceae 15 counties
• 
  Paronychia depressa (Torr. & A. Gray) Nutt. ex A. Nelson Native PADE4

  spreading nailwort · Caryophyllaceae 5 counties
• 
  Paronychia jamesii Torr. & A. Gray Native PAJA

  James' nailwort · Caryophyllaceae 16 counties
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  Paronychia pulvinata A. Gray Native PAPU2

  Rocky Mountain nailwort · Caryophyllaceae 15 counties
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  Paronychia sessiliflora Nutt. Native PASE

  creeping nailwort · Caryophyllaceae 22 counties
• 
  Parryella filifolia Torr. & A. Gray ex A. Gray Native PAFI4

  common dunebroom · Fabaceae 2 counties
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  Parthenium alpinum (Nutt.) Torr. & A. Gray Native PAAL6

  alpine feverfew · Asteraceae 1 county
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  Parthenium ligulatum (M.E. Jones) Barneby Native PALI6

  Colorado feverfew · Asteraceae 2 counties
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  Parthenium tetraneuris Barneby Native PATE12

  Arkansas River feverfew · Asteraceae 3 counties
• 
  Parthenocissus quinquefolia (L.) Planch. Native PAQU2

  Virginia creeper · Vitaceae 11 counties
• 
  Parthenocissus vitacea (Knerr) Hitchc. Native PAVI5

  woodbine · Vitaceae 10 counties
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  Pascopyrum smithii (Rydb.) Á. Löve Native PASM

  western wheatgrass · Poaceae 48 counties
• 
  Paspalum pubiflorum Rupr. ex Fourn. Native PAPU5

  hairyseed paspalum · Poaceae 1 county
• ⚘
  Paspalum racemosum Lam. Introduced PARA6

  Peruvian paspalum · Poaceae 2 counties
• 
  Paspalum setaceum Michx. Native PASE5

  thin paspalum · Poaceae 11 counties
• 
  Pastinaca sativa L. Introduced PASA2

  wild parsnip · Apiaceae 4 counties
• 
  Paxistima myrsinites (Pursh) Raf. Native PAMY

  Oregon boxleaf · Celastraceae 27 counties
• 
  Pectis angustifolia Torr. Native PEAN

  lemonscent · Asteraceae 14 counties
• 
  Pectis angustifolia Torr. var. angustifolia Native PEANA

  narrowleaf pectis · Asteraceae 12 counties
• 
  Pectis papposa Harv. & A. Gray Native PEPA2

  manybristle chinchweed · Asteraceae 1 county
• 
  Pedicularis bracteosa Benth. Native PEBR

  bracted lousewort · Scrophulariaceae 21 counties
• 
  Pedicularis bracteosa Benth. var. paysoniana (Pennell) Cronquist Native PEBRP2

  Payson's lousewort · Scrophulariaceae 21 counties
• 
  Pedicularis canadensis L. Native PECA

  Canadian lousewort · Scrophulariaceae 8 counties
• 
  Pedicularis canadensis L. ssp. fluviatilis (A. Heller) W.A. Weber Native PECAF

  Canadian lousewort · Scrophulariaceae 8 counties
• 
  Pedicularis centranthera A. Gray Native PECE

  dwarf lousewort · Scrophulariaceae 6 counties
• 
  Pedicularis crenulata Benth. Native PECR

  meadow lousewort · Scrophulariaceae 11 counties
• 
  Pedicularis groenlandica Retz. Native PEGR2

  elephanthead lousewort · Scrophulariaceae 32 counties
• 
  Pedicularis parryi A. Gray Native PEPA3

  Parry's lousewort · Scrophulariaceae 25 counties
• 
  Pedicularis parryi A. Gray ssp. parryi Native PEPAP4

  Parry's lousewort · Scrophulariaceae 22 counties
• 
  Pedicularis procera A. Gray Native PEPR7

  giant lousewort · Scrophulariaceae 25 counties
• 
  Pedicularis racemosa Douglas ex Benth. Native PERA

  sickletop lousewort · Scrophulariaceae 25 counties
• 
  Pedicularis racemosa Douglas ex Benth. ssp. alba Pennell Native PERAA

  sickletop lousewort · Scrophulariaceae 25 counties
• 
  Pedicularis sudetica Willd. Native PESU

  sudetic lousewort · Scrophulariaceae 12 counties
• 
  Pedicularis sudetica Willd. ssp. scopulorum (A. Gray) Hultén Native PESUS2

  sudetic lousewort · Scrophulariaceae 12 counties
• 
  Pediocactus knowltonii L.D. Benson Native PEKN2

  Knowlton's miniature cactus · Cactaceae 1 county
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  Pediocactus simpsonii (Engelm.) Britton & Rose Native PESI

  mountain ball cactus · Cactaceae 25 counties
• 
  Pediocactus simpsonii (Engelm.) Britton & Rose var. simpsonii Native PESIS

  mountain ball cactus · Cactaceae 2 counties
• 
  Pediomelum argophyllum (Pursh) J. Grimes Native PEAR6

  silverleaf Indian breadroot · Fabaceae 9 counties
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  Pediomelum aromaticum (Payson) W.A. Weber Native PEAR7

  aromatic Indian breadroot · Fabaceae 2 counties
• 
  Pediomelum digitatum (Nutt. ex Torr. & A. Gray) Isely Native PEDI9

  palmleaf Indian breadroot · Fabaceae 5 counties
• 
  Pediomelum esculentum (Pursh) Rydb. Native PEES

  large Indian breadroot · Fabaceae 7 counties
• 
  Pediomelum hypogaeum (Nutt. ex Torr. & A. Gray) Rydb. Native PEHY4

  subterranean Indian breadroot · Fabaceae 9 counties
• 
  Pediomelum hypogaeum (Nutt. ex Torr. & A. Gray) Rydb. var. hypogaeum Native PEHYH

  subterranean Indian breadroot · Fabaceae 9 counties
• 
  Pediomelum linearifolium (Torr. & A. Gray) J. Grimes Native PELI10

  narrowleaf Indian breadroot · Fabaceae 4 counties
• 
  Pediomelum megalanthum (Wooton & Standl.) Rydb. Native PEME7

  Intermountain Indian breadroot · Fabaceae 6 counties
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  Pediomelum megalanthum (Wooton & Standl.) Rydb. var. megalanthum Native PEMEM2

  Intermountain Indian breadroot · Fabaceae 6 counties
• 
  Peganum harmala L. Introduced PEHA

  harmal peganum · Zygophyllaceae 1 county
• 
  Pellaea atropurpurea (L.) Link Native PEAT2

  purple cliffbrake · Pteridaceae 6 counties