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 3,101–3,150 of 4,111.

• 
  Polygonum minimum S. Watson Native POMI2

  broadleaf knotweed · Polygonaceae 5 counties
• 
  Polygonum pensylvanicum L. Native POPE2

  Pennsylvania smartweed · Polygonaceae 16 counties
• 
  Polygonum persicaria L. Introduced POPE3

  spotted ladysthumb · Polygonaceae 20 counties
• 
  Polygonum polygaloides Wall. ex Meisn. Native POPO4

  milkwort knotweed · Polygonaceae 13 counties
• 
  Polygonum polygaloides Wall. ex Meisn. ssp. kelloggii (Greene) J.C. Hickman Native POPOK

  Kellogg's knotweed · Polygonaceae 13 counties
• 
  Polygonum punctatum Elliott Native POPU5

  dotted smartweed · Polygonaceae 2 counties
• 
  Polygonum punctatum Elliott var. confertiflorum (Meisn.) Fassett Native POPUC2

  dotted smartweed · Polygonaceae 1 county
• 
  Polygonum ramosissimum Michx. Native PORA3

  bushy knotweed · Polygonaceae 25 counties
• 
  Polygonum ramosissimum Michx. var. ramosissimum Native PORAR

  bushy knotweed · Polygonaceae 24 counties
• 
  Polygonum sagittatum L. Native POSA5

  arrowleaf tearthumb · Polygonaceae 1 county
• 
  Polygonum scandens L. Both POSC3

  climbing false buckwheat · Polygonaceae 1 county
• 
  Polygonum scandens L. var. scandens Native POSCS

  climbing false buckwheat · Polygonaceae 1 county
• 
  Polygonum viviparum L. Native POVI3

  alpine bistort · Polygonaceae 26 counties
• 
  Polypodium hesperium Maxon Native POHE3

  western polypody · Polypodiaceae 3 counties
• 
  Polypodium saximontanum Windham Native POSA19

  Rocky Mountain polypody · Polypodiaceae 9 counties
• 
  Polypogon interruptus Kunth Native POIN7

  ditch rabbitsfoot grass · Poaceae 2 counties
• 
  Polypogon monspeliensis (L.) Desf. Introduced POMO5

  annual rabbitsfoot grass · Poaceae 22 counties
• 
  Polypogon viridis (Gouan) Breistr. Introduced POVI9

  beardless rabbitsfoot grass · Poaceae 2 counties
• 
  Polystichum lonchitis (L.) Roth Native POLO4

  northern hollyfern · Dryopteridaceae 10 counties
• 
  Pomaria jamesii (Torr. & A. Gray) Walp. Native POJA5

  James' holdback · Fabaceae 13 counties
• 
  Populus alba L. Introduced POAL7

  white poplar · Salicaceae 2 counties
• 
  Populus angustifolia James Native POAN3

  narrowleaf cottonwood · Salicaceae 23 counties
• 
  Populus balsamifera L. Native POBA2

  balsam poplar · Salicaceae 14 counties
• 
  Populus balsamifera L. ssp. balsamifera Native POBAB2

  balsam poplar · Salicaceae 14 counties
• 
  Populus deltoides W. Bartram ex Marshall Native PODE3

  eastern cottonwood · Salicaceae 29 counties
• 
  Populus deltoides W. Bartram ex Marshall ssp. monilifera (Aiton) Eckenwalder Native PODEM

  plains cottonwood · Salicaceae 20 counties
• 
  Populus deltoides W. Bartram ex Marshall ssp. wislizeni (S. Watson) Eckenwalder Native PODEW

  Rio Grande cottonwood · Salicaceae 10 counties
• 
  Populus tremuloides Michx. Native POTR5

  quaking aspen · Salicaceae 35 counties
• ⚘
  Populus ×acuminata Rydb. (pro sp.) [angustifolia × deltoides] Native POAC5

  lanceleaf cottonwood · Salicaceae 15 counties
• 
  Portulaca halimoides L. Native POHA5

  silkcotton purslane · Portulacaceae 2 counties
• 
  Portulaca oleracea L. Both POOL

  little hogweed · Portulacaceae 17 counties
• 
  Portulaca pilosa L. Native POPI3

  kiss me quick · Portulacaceae 2 counties
• 
  Potamogeton alpinus Balbis Native POAL8

  alpine pondweed · Potamogetonaceae 9 counties
• 
  Potamogeton crispus L. Introduced POCR3

  curly pondweed · Potamogetonaceae 2 counties
• 
  Potamogeton diversifolius Raf. Native PODI

  waterthread pondweed · Potamogetonaceae 3 counties
• 
  Potamogeton epihydrus Raf. Native POEP2

  ribbonleaf pondweed · Potamogetonaceae 3 counties
• 
  Potamogeton foliosus Raf. Native POFO3

  leafy pondweed · Potamogetonaceae 11 counties
• 
  Potamogeton foliosus Raf. ssp. foliosus Native POFOF4

  leafy pondweed · Potamogetonaceae 11 counties
• 
  Potamogeton gramineus L. Native POGR8

  variableleaf pondweed · Potamogetonaceae 11 counties
• 
  Potamogeton illinoensis Morong Native POIL

  Illinois pondweed · Potamogetonaceae 1 county
• 
  Potamogeton natans L. Native PONA4

  floating pondweed · Potamogetonaceae 7 counties
• 
  Potamogeton nodosus Poir. Native PONO2

  longleaf pondweed · Potamogetonaceae 8 counties
• 
  Potamogeton praelongus Wulfen Native POPR5

  whitestem pondweed · Potamogetonaceae 3 counties
• 
  Potamogeton pusillus L. Native POPU7

  small pondweed · Potamogetonaceae 10 counties
• 
  Potamogeton pusillus L. ssp. pusillus Native POPUP5

  small pondweed · Potamogetonaceae 6 counties
• 
  Potamogeton richardsonii (Benn.) Rydb. Native PORI2

  Richardson's pondweed · Potamogetonaceae 6 counties
• 
  Potentilla ambigens Greene Native POAM6

  silkyleaf cinquefoil · Rosaceae 3 counties
• 
  Potentilla anglica Laicharding Introduced POAN7

  English cinquefoil · Rosaceae 1 county
• 
  Potentilla argentea L. Introduced POAR8

  silver cinquefoil · Rosaceae 3 counties
• 
  Potentilla argentea L. var. argentea Introduced POARA3

  silver cinquefoil · Rosaceae 3 counties