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 2,851–2,900 of 4,111.

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  Penstemon jamesii Benth. Native PEJA

  James' beardtongue · Scrophulariaceae 2 counties
• 
  Penstemon laricifolius Hook. & Arn. Native PELA9

  larchleaf beardtongue · Scrophulariaceae 1 county
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  Penstemon laricifolius Hook. & Arn. ssp. exilifolius (A. Nelson) D.D. Keck Native PELAE

  larchleaf beardtongue · Scrophulariaceae 1 county
• 
  Penstemon lentus Pennell Native PELE2

  handsome beardtongue · Scrophulariaceae 6 counties
• 
  Penstemon lentus Pennell var. lentus Native PELEL2

  handsome beardtongue · Scrophulariaceae 6 counties
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  Penstemon linarioides A. Gray Native PELI2

  toadflax penstemon · Scrophulariaceae 5 counties
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  Penstemon linarioides A. Gray ssp. coloradoensis (A. Nelson) D.D. Keck Native PELIC

  toadflax penstemon · Scrophulariaceae 1 county
• 
  Penstemon mensarum Pennell Native PEME2

  tiger beardtongue · Scrophulariaceae 3 counties
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  Penstemon moffatii Eastw. Native PEMO3

  Moffatt's beardtongue · Scrophulariaceae 3 counties
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  Penstemon nitidus Douglas ex Benth. Native PENI3

  waxleaf penstemon · Scrophulariaceae 3 counties
• 
  Penstemon nitidus Douglas ex Benth. var. nitidus Native PENIN

  waxleaf penstemon · Scrophulariaceae 3 counties
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  Penstemon ophianthus Pennell Native PEOP

  coiled anther penstemon · Scrophulariaceae 5 counties
• 
  Penstemon osterhoutii Pennell Native PEOS

  Osterhout's beardtongue · Scrophulariaceae 6 counties
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  Penstemon pachyphyllus A. Gray ex Rydb. Native PEPA6

  thickleaf beardtongue · Scrophulariaceae 3 counties
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  Penstemon pachyphyllus A. Gray ex Rydb. var. mucronatus (N.H. Holmgren) Neese Native PEPAM5

  mucronate penstemon · Scrophulariaceae 2 counties
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  Penstemon pachyphyllus A. Gray ex Rydb. var. pachyphyllus Native PEPAP8

  thickleaf beardtongue · Scrophulariaceae 1 county
• 
  Penstemon palmeri A. Gray Native PEPA8

  Palmer's penstemon · Scrophulariaceae 1 county
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  Penstemon palmeri A. Gray var. palmeri Native PEPAP9

  Palmer's penstemon · Scrophulariaceae 1 county
• 
  Penstemon penlandii W.A. Weber Native PEPE25

  Penland's beardtongue · Scrophulariaceae 1 county
• 
  Penstemon procerus Douglas ex Graham Native PEPR2

  littleflower penstemon · Scrophulariaceae 12 counties
• 
  Penstemon procerus Douglas ex Graham var. procerus Native PEPRP

  pincushion beardtongue · Scrophulariaceae 12 counties
• 
  Penstemon radicosus A. Nelson Native PERA2

  matroot penstemon · Scrophulariaceae 2 counties
• 
  Penstemon retrorsus Payson ex Pennell Native PERE7

  Adobe Hills beardtongue · Scrophulariaceae 2 counties
• 
  Penstemon rostriflorus Kellogg Native PERO10

  Bridge penstemon · Scrophulariaceae 3 counties
• 
  Penstemon rydbergii A. Nelson Native PERY

  Rydberg's penstemon · Scrophulariaceae 23 counties
• 
  Penstemon rydbergii A. Nelson var. rydbergii Native PERYR

  swollen penstemon · Scrophulariaceae 1 county
• 
  Penstemon saxosorum Pennell Native PESA2

  upland beardtongue · Scrophulariaceae 6 counties
• 
  Penstemon scariosus Pennell Native PESC5

  White River beardtongue · Scrophulariaceae 2 counties
• 
  Penstemon scariosus Pennell var. albifluvis (England) N.H. Holmgren Native PESCA

  White River beardtongue · Scrophulariaceae 1 county
• 
  Penstemon secundiflorus Benth. Native PESE11

  sidebells penstemon · Scrophulariaceae 18 counties
• 
  Penstemon strictiformis Rydb. Native PEST9

  Mancos penstemon · Scrophulariaceae 1 county
• 
  Penstemon strictus Benth. Native PEST2

  Rocky Mountain penstemon · Scrophulariaceae 31 counties
• 
  Penstemon unilateralis Rydb. Native PEUN

  oneside penstemon · Scrophulariaceae 18 counties
• 
  Penstemon utahensis Eastw. Native PEUT

  Utah penstemon · Scrophulariaceae 2 counties
• 
  Penstemon versicolor Pennell Native PEVE9

  variable-color beardtongue · Scrophulariaceae 4 counties
• 
  Penstemon virens Pennell ex Rydb. Native PEVI3

  Front Range beardtongue · Scrophulariaceae 15 counties
• 
  Penstemon watsonii A. Gray Native PEWA

  Watson's penstemon · Scrophulariaceae 9 counties
• 
  Penstemon whippleanus A. Gray Native PEWH

  Whipple's penstemon · Scrophulariaceae 32 counties
• 
  Penstemon yampaensis Penl. Native PEYA2

  Yampa beardtongue · Scrophulariaceae 1 county
• 
  Peraphyllum ramosissimum Nutt. Native PERA4

  wild crab apple · Rosaceae 10 counties
• 
  Pericome caudata A. Gray Native PECA10

  mountain tail-leaf · Asteraceae 12 counties
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  Perideridia gairdneri (Hook. & Arn.) Mathias Native PEGA3

  Gardner's yampah · Apiaceae 3 counties
• 
  Perideridia gairdneri (Hook. & Arn.) Mathias ssp. borealis T.I. Chuang & Constance Native PEGAB

  common yampah · Apiaceae 3 counties
• 
  Petasites frigidus (L.) Fr. Native PEFR5

  arctic sweet coltsfoot · Asteraceae 5 counties
• 
  Petasites frigidus (L.) Fr. var. sagittatus (Banks ex Pursh) Cherniawsky Native PEFRS5

  arrowleaf sweet coltsfoot · Asteraceae 5 counties
• 
  Petradoria pumila (Nutt.) Greene Native PEPU7

  rock goldenrod · Asteraceae 9 counties
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  Petradoria pumila (Nutt.) Greene ssp. graminea (Wooton & Standl.) L.C. Anderson Native PEPUG

  grass-leaved rock goldenrod · Asteraceae 1 county
• 
  Petradoria pumila (Nutt.) Greene ssp. pumila Native PEPUP

  rock goldenrod · Asteraceae 9 counties
• 
  Petrophytum caespitosum (Nutt.) Rydb. Native PECA12

  mat rockspirea · Rosaceae 3 counties
• 
  Petrophytum caespitosum (Nutt.) Rydb. var. caespitosum Native PECAC2

  mat rockspirea · Rosaceae 3 counties