Mapping > River Subbasin Summaries > Big Thompson Tracked Elements

The Big Thompson Subbasin

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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 subbasin and the count of known occurrences.

  • Amphibians

State Scientific NameState Common NameGRankSRankCount
Anaxyrus boreas pop. 1Boreal Toad (Southern Rocky Mountain Population)G4T1QS128
Lithobates sylvaticaWood FrogG5S35
  • Birds

State Scientific NameState Common NameGRankSRankCount
Cypseloides nigerBlack SwiftG4S3B8
Melanerpes lewisLewis's WoodpeckerG4S44
  • Fish

State Scientific NameState Common NameGRankSRankCount
Oncorhynchus clarkii stomiasGreenback Cutthroat TroutG4T2T3S237
  • Insects

State Scientific NameState Common NameGRankSRankCount
Alloperla pilosaA StoneflyG3S21
Mesocapnia frisoniA StoneflyG5S11
Pictetiella expansaA StoneflyG3G4S21
  • Mammals

State Scientific NameState Common NameGRankSRankCount
Zapus hudsonius prebleiMeadow Jumping Mouse SubspG5T2S18
  • Mollusks

State Scientific NameState Common NameGRankSRankCount
Anodonta grandisGiant FloaterG5S21
  • Natural Communities

State Scientific NameState Common NameGRankSRankCount
Alnus incana - Salix (monticola, lucida, ligulifolia) ShrublandThinleaf Alder-Mixed Willow SpeciesG3S31
Alnus incana - Salix drummondiana ShrublandMontane Riparian ShrublandG3S31
Alnus incana / Mesic Graminoids ShrublandMontane Riparian ShrublandG3S22
Betula occidentalis / Mesic Graminoids ShrublandLower Montane Riparian ShrublandsG3S21
Glyceria borealis Herbaceous VegetationMontane Emergent WetlandG4S21
Picea pungens / Alnus incana - Corylus cornuta WoodlandFoothills Riparian ForestGUS11
Populus angustifolia / Prunus virginiana WoodlandNarrowleaf Cottonwood/Common ChokecherryG2QS24
Populus deltoides - (Salix amygdaloides) / Salix (exigua, interior) WoodlandPlains Cottonwood Riparian WoodlandG3G4S31
Populus tremuloides / Acer glabrum ForestMontane Riparian ForestsG1G2S21
Populus tremuloides / Corylus cornuta ForestMontane Riparian ForestsG3S11
Potamogeton natans Herbaceous VegetationMontane Floating/Submergent WetlandG5?S11
Rhus trilobata ShrublandSkunkbrush Riparian ShrublandG2S21
Salix drummondiana / Calamagrostis canadensis ShrublandLower Montane Willow CarrsG3S31
Salix geyeriana - Salix monticola / Calamagrostis canadensis ShrublandMontane Willow CarrsG3S23
Salix monticola / Calamagrostis canadensis ShrublandMontane Willow CarrG3S31
Salix monticola / Carex aquatilis ShrublandMontane Riparian Willow CarrG3S21
Salix monticola / Carex utriculata ShrublandMontane Riparian Willow CarrG3S31
Salix monticola / Mesic Graminoids ShrublandMontane Riparian Willow CarrG3S36
Sibbaldia procumbens - Polygonum bistortoides Herbaceous VegetationMesic Alpine MeadowsG3?S11
Sparganium angustifolium Herbaceous VegetationMontane Floating/submergent Palustrine WetlandsG4S21
Utricularia macrorhiza Herbaceous Vegetation [Provisional]G5S11
  • Vascular Plants

State Scientific NameState Common NameGRankSRankCount
Agastache foeniculumlavender hyssopG5S13
Callitriche heterophyllalarge water-starwortG5S11
Carex peckiiPeck sedgeG5S12
Isoetes setacea ssp. muricataspiny-spored quillwortG5?T5?S21
Juncus tweedyiTweedy's rushG3QS11
Juncus vaseyiVasey bulrushG5S15
Liatris ligulistylisgay-featherG5?S22
Listera convallarioidesBroad-leaved twaybladeG5S24
Mimulus gemmiparusRocky Mountain monkeyflowerG1S15
Naumburgia thyrsifloratufted loosestrifeG5S19
Parnassia kotzebueiKotzebue's grass-of-parnassusG5S22
Salix serissimaautumn willowG5S113
Sisyrinchium pallidumPale blue-eyed grassG3S21