Mapping > Major River Basin Summaries > Colorado Headwaters Tracked Elements

The Colorado Headwaters Basin

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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 basin and the count of known occurrences.

  • Amphibians

State Scientific NameState Common NameGRankSRankCount
Anaxyrus boreas pop. 1Boreal Toad (Southern Rocky Mountain Population)G4T1QS177
Hyla arenicolorCanyon TreefrogG5S241
Lithobates pipiensNorthern Leopard FrogG5S35
Lithobates sylvaticaWood FrogG5S376
Spea intermontanaGreat Basin SpadefootG5S354
  • Birds

State Scientific NameState Common NameGRankSRankCount
Asio flammeusShort-eared OwlG5S2B3
Centrocercus urophasianusSage GrouseG3G4S46
Cypseloides nigerBlack SwiftG4S3B16
Egretta thulaSnowy EgretG5S2B2
Grus canadensis tabidaGreater Sandhill CraneG5T5S2B,S4N9
Haliaeetus leucocephalusBald EagleG5S1B,S3N28
Himantopus mexicanusBlack-necked StiltG5S3B1
Melanerpes lewisLewis's WoodpeckerG4S48
Numenius americanusLong-billed CurlewG5S2B4
Pelecanus erythrorhynchosAmerican White PelicanG4S1B3
Plegadis chihiWhite-faced IbisG5S2B5
  • Fish

State Scientific NameState Common NameGRankSRankCount
Gila cyphaHumpback ChubG1S113
Gila robustaRoundtail ChubG3S230
Oncorhynchus clarkii pleuriticusColorado River Cutthroat TroutG4T3S3202
Oncorhynchus clarkii stomiasGreenback Cutthroat TroutG4T2T3S23
Ptychocheilus luciusColorado PikeminnowG1S135
Xyrauchen texanusRazorback SuckerG1S124
  • Insects

State Scientific NameState Common NameGRankSRankCount
Boloria selene sabulocollisSandhill FritillaryG5T2S1S22
Erebia pawlowskiiTheano AlpineG5S36
Ischnura barberiDesert ForktailG4SU1
Sympetrum costiferumSaffron-bordered MeadowflyG5S1?3
  • 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 - Populus angustifolia / Cornus sericea ForestNarrowleaf Cottonwood Riparian ForestsG2S22
Acer negundo / Cornus sericea ForestMontane Riparian Deciduous ForestG3?S14
Acer negundo / Prunus virginiana ForestMontane Riparian Deciduous ForestG3S29
Alnus incana - Salix (monticola, lucida, ligulifolia) ShrublandThinleaf Alder-Mixed Willow SpeciesG3S33
Alnus incana - Salix drummondiana ShrublandMontane Riparian ShrublandG3S36
Alnus incana / Cornus sericea ShrublandThinleaf Alder-Red-osier Dogwood Riparian ShrublandG3G4S311
Alnus incana / Equisetum arvense ShrublandMontane Riparian ShrublandsG3S11
Alnus incana / Mesic Forbs ShrublandThinleaf Alder/Mesic Forb Riparian ShrublandG3S310
Aquilegia micrantha - Mimulus eastwoodiae Herbaceous VegetationHanging GardensG2G3S22
Betula nana / Mesic Forbs - Mesic Graminoids ShrublandSubalpine Riparian ShrublandG3G4S314
Betula occidentalis / Maianthemum stellatum ShrublandFoothills Riparian ShrublandG4?S34
Betula occidentalis / Mesic Graminoids ShrublandLower Montane Riparian ShrublandsG3S23
Carex foenea Herbaceous VegetationMontane Riparian MeadowGUS11
Carex lasiocarpa Herbaceous VegetationMontane WetlandG4?S12
Carex limosa Herbaceous VegetationMontane WetlandG2S1S21
Carex pellita Herbaceous VegetationMontane Wet MeadowsG3S21
Carex praegracilis Herbaceous VegetationClustered Sedge WetlandG3G4S26
Carex saxatilis Herbaceous VegetationWet MeadowG3S12
Carex vesicaria Herbaceous VegetationMontane WetlandG4QS11
Catabrosa aquatica - Mimulus ssp. Spring WetlandSpring WetlandGUS21
Cornus sericea ShrublandFoothills Riparian ShrublandG4QS212
Crataegus rivularis ShrublandFoothills Riparian ShrublandG2QS11
Eleocharis rostellata Herbaceous VegetationEmergent WetlandG3S21
Fraxinus anomala / Quercus gambelii WoodlandWest Slope Riparian WoodlandGUQSU2
Geum rossii - Sibbaldia procumbens Herbaceous VegetationMesic Alpine MeadowsGUSU1
Glyceria grandis Herbaceous VegetationAmerican MannagrassG2?S12
Juniperus scopulorum / Cornus sericea WoodlandRiparian WoodlandG4S24
Myriophyllum sibiricum Herbaceous VegetationWestern Slope Floating/Submerged Palustrine WetlandsGUQS11
Phippsia algida Herbaceous VegetationAlpine WetlandsGUS13
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 ForestsG3S317
Picea pungens / Cornus sericea WoodlandMontane Riparian ForestG4S29
Populus angustifolia - Juniperus scopulorum WoodlandMontane Riparian ForestG2G3S34
Populus angustifolia - Picea pungens / Alnus incana WoodlandMontane Riparian ForestsG3S318
Populus angustifolia - Pseudotsuga menziesii WoodlandMontane Riparian ForestG3S24
Populus angustifolia / Alnus incana WoodlandMontane Riparian ForestG3S38
Populus angustifolia / Betula occidentalis WoodlandMontane Riparian ForestG3S35
Populus angustifolia / Crataegus rivularis WoodlandNarrowleaf Cottonwood Riparian ForestsG2?S21
Populus angustifolia / Prunus virginiana WoodlandNarrowleaf Cottonwood/Common ChokecherryG2QS21
Populus angustifolia / Rhus trilobata WoodlandNarrowleaf Cottonwood/SkunkbrushG3S39
Populus angustifolia / Salix (monticola, drummondiana, lucida) WoodlandNarrowleaf Cottonwood/Mixed Willows Montane Riparian ForestG3S21
Populus angustifolia / Salix ligulifolia - Shepherdia argentea WoodlandNarrowleaf Cottonwood Riparian ForestsG1S31
Populus balsamifera WoodlandMontane Riparian WoodlandGUS22
Populus deltoides ssp. wislizeni / Rhus trilobata WoodlandFremont's Cottonwood Riparian ForestsG2S353
Populus tremuloides / Acer glabrum ForestMontane Riparian ForestsG1G2S24
Populus tremuloides / Alnus incana ForestMontane Riparian ForestsG3S310
Potamogeton natans Herbaceous VegetationMontane Floating/Submergent WetlandG5?S11
Pseudotsuga menziesii / Cornus sericea WoodlandLower Montane Riparian ForestsG4S22
Rhus trilobata ShrublandSkunkbrush Riparian ShrublandG2S21
Salix boothii / Carex utriculata ShrublandBooth's Willow/Beaked SedgeG4S23
Salix boothii / Mesic Forbs ShrublandBooth's Willow/Mesic ForbG3S32
Salix boothii / Mesic Graminoids ShrublandRiparian Willow CarrG3?S35
Salix brachycarpa / Deschampsia caespitosa - Geum rossii ShrublandAlpine Willow ScrubG4S2S34
Salix drummondiana / Calamagrostis canadensis ShrublandLower Montane Willow CarrsG3S314
Salix drummondiana / Carex utriculata ShrublandMontane Willow CarrG4S26
Salix geyeriana - Salix monticola / Calamagrostis canadensis ShrublandMontane Willow CarrsG3S219
Salix geyeriana - Salix monticola / Mesic Forbs ShrublandGeyer's Willow-Rocky Mountain Willow/Mesic ForbG3S33
Salix geyeriana / Calamagrostis canadensis ShrublandMontane Riparian Willow CarrG5S212
Salix geyeriana / Carex aquatilis ShrublandMontane Willow CarrG3S22
Salix geyeriana / Carex utriculata ShrublandGeyer's Willow/Beaked SedgeG5S21
Salix geyeriana / Mesic Graminoids ShrublandGeyer's Willow/Mesic GraminoidG3?S29
Salix ligulifolia ShrublandMontane Willow CarrG2G3S31
Salix monticola / Calamagrostis canadensis ShrublandMontane Willow CarrG3S39
Salix monticola / Carex aquatilis ShrublandMontane Riparian Willow CarrG3S21
Salix monticola / Carex utriculata ShrublandMontane Riparian Willow CarrG3S311
Salix monticola / Mesic Graminoids ShrublandMontane Riparian Willow CarrG3S32
Salix planifolia / Calamagrostis canadensis ShrublandSubalpine Riparian Willow CarrG4S26
Salix planifolia / Carex utriculata ShrublandDiamondleaf Willow / Beaked SedgeGNRS21
Salix planifolia / Deschampsia caespitosa ShrublandSubalpine Riparian Willow CarrG2G3S22
Salix planifolia / Mesic Forbs Shrubland [Provisional]Planeleaf Willow/Mesic ForbsG4S21
Salix wolfii / Carex aquatilis ShrublandSubalpine Riparian Willow CarrG4S34
Salix wolfii / Carex utriculata ShrublandSubalpine Riparian Willow CarrG4S13
Salix wolfii / Mesic Forbs ShrublandSubalpine Riparian Willow CarrG3S35
Salix wolfii /Calamagrostis canadensis ShrublandSubalpine Riparian Willow CarrG3S12
Sarcobatus vermiculatus / Artemisia tridentata ShrublandG4S11
Sarcobatus vermiculatus / Suaeda moquinii ShrublandSaline Bottomland ShrublandsGUQS22
Schoenoplectus pungens Herbaceous VegetationBulrushG3G4S32
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 GardensG2S222
  • Nonvascular Plants

State Scientific NameState Common NameGRankSRankCount
Sphagnum angustifoliumG5S21
Sphagnum platyphyllumG5S1S26
  • Vascular Plants

State Scientific NameState Common NameGRankSRankCount
Armeria scabra ssp. sibiricasea pinkG5T5S12
Carex concinnalow northern sedgeG5S15
Carex diandralesser panicled sedgeG5S15
Carex lasiocarpaslender sedgeG5S14
Carex leptaleabristle-stalk sedgeG5S12
Carex limosamud sedgeG5S28
Carex scirpoideaCanadian single-spike sedgeG5S21
Carex stenoptilasmall-winged sedgeG3S23
Carex viridulagreen sedgeG5S11
Centaurium exaltatumGreat Basin centauryG5S111
Cylactis arctica ssp. acaulisnagoon berryG5T5S13
Draba weberiWeber's drabaG1S11
Drosera rotundifoliaroundleaf sundewG5S24
Epipactis giganteagiant helleborineG4S1S26
Eriophorum altaicum var. neogaeumAltai cottongrassG4?T3T4S39
Eriophorum chamissonisG5S110
Eriophorum gracileslender cottongrassG5S1S23
Eutrema penlandiiMosquito Range mustardG1G2S1S24
Juncus vaseyiVasey bulrushG5S14
Listera borealisnorthern twaybladeG4S212
Mimulus gemmiparusRocky Mountain monkeyflowerG1S13
Parnassia kotzebueiKotzebue's grass-of-parnassusG5S28
Phippsia algidasnow grassG5S219
Ptilagrostis porteriPorter feathergrassG2S22
Spiranthes diluvialisUte ladies' tressesG2G3S22
Sullivantia hapemanii var. purpusiiHanging Garden sullivantiaG3T3S361
Utricularia minorlesser bladderwortG5S23