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Fremont County

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Tracked elements of biodiversity include animals, plants, and natural communities that are uncommon either globally or within the state of Colorado. The list below includes all wetland and riparian dependent elements found within the county and the count of known occurrences.

  • Birds

State Scientific NameState Common NameGRankSRankCount
Haliaeetus leucocephalusBald EagleG5S1B,S3N1
Melanerpes lewisLewis's WoodpeckerG4S45
  • Fish

State Scientific NameState Common NameGRankSRankCount
Etheostoma craginiArkansas DarterG3G4S21
Phoxinus erythrogasterSouthern Redbelly DaceG5S11
  • Mammals

State Scientific NameState Common NameGRankSRankCount
Sorex nanusDwarf ShrewG4S21
  • Mollusks

State Scientific NameState Common NameGRankSRankCount
Valvata sinceraMossy ValvataG5S31
  • Natural Communities

State Scientific NameState Common NameGRankSRankCount
Abies concolor - Picea pungens - Populus angustifolia / Acer glabrum ForestMontane Riparian ForestsG2S21
Alnus incana / Mesic Forbs ShrublandThinleaf Alder/Mesic Forb Riparian ShrublandG3S31
Alnus incana / Mesic Graminoids ShrublandMontane Riparian ShrublandG3S22
Betula occidentalis / Maianthemum stellatum ShrublandFoothills Riparian ShrublandG4?S31
Betula occidentalis / Mesic Graminoids ShrublandLower Montane Riparian ShrublandsG3S23
Juniperus scopulorum / Cornus sericea WoodlandRiparian WoodlandG4S21
Pascopyrum smithii - Eleocharis spp. Herbaceous VegetationPlaya GrasslandG1S11
Picea pungens / Betula occidentalis WoodlandMontane Riparian WoodlandG2S22
Populus angustifolia - Juniperus scopulorum WoodlandMontane Riparian ForestG2G3S38
Populus angustifolia - Pseudotsuga menziesii WoodlandMontane Riparian ForestG3S28
Populus angustifolia / Alnus incana WoodlandMontane Riparian ForestG3S37
Populus angustifolia / Betula occidentalis WoodlandMontane Riparian ForestG3S311
Populus angustifolia / Salix irrorata WoodlandFoothills Riparian WoodlandG2S23
Populus deltoides - (Salix amygdaloides) / Salix (exigua, interior) WoodlandPlains Cottonwood Riparian WoodlandG3G4S31
Populus tremuloides / Alnus incana ForestMontane Riparian ForestsG3S33
Populus tremuloides / Betula occidentalis ForestG3S21
Pseudotsuga menziesii / Betula occidentalis WoodlandMontane Riparian ForestG3?S28
Pseudotsuga menziesii / Cornus sericea WoodlandLower Montane Riparian ForestsG4S22
Salix geyeriana - Salix monticola / Mesic Forbs ShrublandGeyer's Willow-Rocky Mountain Willow/Mesic ForbG3S31
Salix planifolia / Mesic Forbs Shrubland [Provisional]Planeleaf Willow/Mesic ForbsG4S21
Sarcobatus vermiculatus / Distichlis spicata ShrublandSaline Bottomland ShrublandsG4S21
  • Vascular Plants

State Scientific NameState Common NameGRankSRankCount
Carex oreocharisa sedgeG3S21
Sisyrinchium pallidumPale blue-eyed grassG3S22