Mapping > River Subbasin Summaries > Colorado Headwaters Tracked Elements

The Colorado Headwaters 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)G4T1QS139
Lithobates pipiensNorthern Leopard FrogG5S34
Lithobates sylvaticaWood FrogG5S376
  • Birds

State Scientific NameState Common NameGRankSRankCount
Asio flammeusShort-eared OwlG5S2B2
Cypseloides nigerBlack SwiftG4S3B6
Grus canadensis tabidaGreater Sandhill CraneG5T5S2B,S4N7
Haliaeetus leucocephalusBald EagleG5S1B,S3N6
Melanerpes lewisLewis's WoodpeckerG4S41
Pelecanus erythrorhynchosAmerican White PelicanG4S1B3
Plegadis chihiWhite-faced IbisG5S2B4
  • Fish

State Scientific NameState Common NameGRankSRankCount
Gila robustaRoundtail ChubG3S24
Oncorhynchus clarkii pleuriticusColorado River Cutthroat TroutG4T3S380
Oncorhynchus clarkii stomiasGreenback Cutthroat TroutG4T2T3S23
  • Insects

State Scientific NameState Common NameGRankSRankCount
Boloria selene sabulocollisSandhill FritillaryG5T2S1S22
Erebia pawlowskiiTheano AlpineG5S36
  • Mollusks

State Scientific NameState Common NameGRankSRankCount
Promenetus umbilicatellusUmbilicate SpriteG4S32
  • Natural Communities

State Scientific NameState Common NameGRankSRankCount
Abies lasiocarpa - Picea engelmannii / Calamagrostis canadensis ForestMontane Riparian ForestsG5S21
Acer negundo / Cornus sericea ForestMontane Riparian Deciduous ForestG3?S12
Alnus incana - Salix (monticola, lucida, ligulifolia) ShrublandThinleaf Alder-Mixed Willow SpeciesG3S32
Alnus incana - Salix drummondiana ShrublandMontane Riparian ShrublandG3S35
Alnus incana / Cornus sericea ShrublandThinleaf Alder-Red-osier Dogwood Riparian ShrublandG3G4S310
Alnus incana / Equisetum arvense ShrublandMontane Riparian ShrublandsG3S11
Alnus incana / Mesic Forbs ShrublandThinleaf Alder/Mesic Forb Riparian ShrublandG3S39
Betula nana / Mesic Forbs - Mesic Graminoids ShrublandSubalpine Riparian ShrublandG3G4S37
Betula occidentalis / Maianthemum stellatum ShrublandFoothills Riparian ShrublandG4?S31
Betula occidentalis / Mesic Graminoids ShrublandLower Montane Riparian ShrublandsG3S21
Carex foenea Herbaceous VegetationMontane Riparian MeadowGUS11
Carex lasiocarpa Herbaceous VegetationMontane WetlandG4?S12
Carex limosa Herbaceous VegetationMontane WetlandG2S1S21
Carex pellita Herbaceous VegetationMontane Wet MeadowsG3S21
Carex saxatilis Herbaceous VegetationWet MeadowG3S11
Carex vesicaria Herbaceous VegetationMontane WetlandG4QS11
Cornus sericea ShrublandFoothills Riparian ShrublandG4QS26
Geum rossii - Sibbaldia procumbens Herbaceous VegetationMesic Alpine MeadowsGUSU1
Glyceria grandis Herbaceous VegetationAmerican MannagrassG2?S12
Juniperus scopulorum / Cornus sericea WoodlandRiparian WoodlandG4S24
Picea engelmannii - (Abies lasiocarpa) / Caltha leptosepala ForestEngelmann Spruce/White Marsh MarigoldG3?S11
Picea engelmannii / Cornus sericea WoodlandMontane Riparian ForestsG3S11
Picea engelmannii / Equisetum arvense ForestConiferous Wetland ForestsG4S13
Picea pungens / Alnus incana WoodlandMontane Riparian ForestsG3S311
Picea pungens / Cornus sericea WoodlandMontane Riparian ForestG4S21
Populus angustifolia - Juniperus scopulorum WoodlandMontane Riparian ForestG2G3S34
Populus angustifolia - Picea pungens / Alnus incana WoodlandMontane Riparian ForestsG3S32
Populus angustifolia - Pseudotsuga menziesii WoodlandMontane Riparian ForestG3S22
Populus angustifolia / Alnus incana WoodlandMontane Riparian ForestG3S31
Populus angustifolia / Salix (monticola, drummondiana, lucida) WoodlandNarrowleaf Cottonwood/Mixed Willows Montane Riparian ForestG3S21
Populus angustifolia / Salix ligulifolia - Shepherdia argentea WoodlandNarrowleaf Cottonwood Riparian ForestsG1S31
Populus tremuloides / Acer glabrum ForestMontane Riparian ForestsG1G2S21
Populus tremuloides / Alnus incana ForestMontane Riparian ForestsG3S32
Pseudotsuga menziesii / Cornus sericea WoodlandLower Montane Riparian ForestsG4S21
Salix boothii / Carex utriculata ShrublandBooth's Willow/Beaked SedgeG4S22
Salix boothii / Mesic Forbs ShrublandBooth's Willow/Mesic ForbG3S31
Salix boothii / Mesic Graminoids ShrublandRiparian Willow CarrG3?S34
Salix brachycarpa / Deschampsia caespitosa - Geum rossii ShrublandAlpine Willow ScrubG4S2S34
Salix drummondiana / Calamagrostis canadensis ShrublandLower Montane Willow CarrsG3S32
Salix drummondiana / Carex utriculata ShrublandMontane Willow CarrG4S22
Salix geyeriana - Salix monticola / Calamagrostis canadensis ShrublandMontane Willow CarrsG3S213
Salix geyeriana - Salix monticola / Mesic Forbs ShrublandGeyer's Willow-Rocky Mountain Willow/Mesic ForbG3S31
Salix geyeriana / Calamagrostis canadensis ShrublandMontane Riparian Willow CarrG5S212
Salix geyeriana / Carex aquatilis ShrublandMontane Willow CarrG3S21
Salix geyeriana / Mesic Graminoids ShrublandGeyer's Willow/Mesic GraminoidG3?S29
Salix ligulifolia ShrublandMontane Willow CarrG2G3S31
Salix monticola / Calamagrostis canadensis ShrublandMontane Willow CarrG3S33
Salix monticola / Carex aquatilis ShrublandMontane Riparian Willow CarrG3S21
Salix monticola / Carex utriculata ShrublandMontane Riparian Willow CarrG3S36
Salix monticola / Mesic Graminoids ShrublandMontane Riparian Willow CarrG3S31
Salix planifolia / Calamagrostis canadensis ShrublandSubalpine Riparian Willow CarrG4S22
Salix planifolia / Carex utriculata ShrublandDiamondleaf Willow / Beaked SedgeGNRS21
Salix planifolia / Mesic Forbs Shrubland [Provisional]Planeleaf Willow/Mesic ForbsG4S21
Salix wolfii / Carex aquatilis ShrublandSubalpine Riparian Willow CarrG4S33
Salix wolfii / Carex utriculata ShrublandSubalpine Riparian Willow CarrG4S11
Salix wolfii / Mesic Forbs ShrublandSubalpine Riparian Willow CarrG3S32
Salix wolfii /Calamagrostis canadensis ShrublandSubalpine Riparian Willow CarrG3S12
Sarcobatus vermiculatus / Artemisia tridentata ShrublandG4S11
Schoenoplectus pungens Herbaceous VegetationBulrushG3G4S31
Shepherdia argentea ShrublandFoothills Riparian ShrublandG3G4S25
Sibbaldia procumbens - Polygonum bistortoides Herbaceous VegetationMesic Alpine MeadowsG3?S12
Sparganium angustifolium Herbaceous VegetationMontane Floating/submergent Palustrine WetlandsG4S21
Sullivantia hapemanii - (Aquilegia barnebyi) Herbaceous VegetationSullivantia Hanging GardensG2S26
  • Nonvascular Plants

State Scientific NameState Common NameGRankSRankCount
Sphagnum angustifoliumG5S21
  • Vascular Plants

State Scientific NameState Common NameGRankSRankCount
Carex diandralesser panicled sedgeG5S14
Carex lasiocarpaslender sedgeG5S14
Carex leptaleabristle-stalk sedgeG5S11
Carex limosamud sedgeG5S24
Carex stenoptilasmall-winged sedgeG3S23
Cylactis arctica ssp. acaulisnagoon berryG5T5S13
Drosera rotundifoliaroundleaf sundewG5S24
Juncus vaseyiVasey bulrushG5S14
Listera borealisnorthern twaybladeG4S23
Mimulus gemmiparusRocky Mountain monkeyflowerG1S13
Parnassia kotzebueiKotzebue's grass-of-parnassusG5S25
Sullivantia hapemanii var. purpusiiHanging Garden sullivantiaG3T3S39