Mapping > River Subbasin Summaries > St. Vrain Tracked Elements

The St. Vrain 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)G4T1QS152
Lithobates pipiensNorthern Leopard FrogG5S34
  • Birds

State Scientific NameState Common NameGRankSRankCount
Cypseloides nigerBlack SwiftG4S3B3
Haliaeetus leucocephalusBald EagleG5S1B,S3N7
Himantopus mexicanusBlack-necked StiltG5S3B1
Melanerpes lewisLewis's WoodpeckerG4S42
Pelecanus erythrorhynchosAmerican White PelicanG4S1B3
Seiurus aurocapillaOvenbirdG5S2B1
  • Fish

State Scientific NameState Common NameGRankSRankCount
Couesius plumbeusLake ChubG5S14
Hybognathus hankinsoniBrassy MinnowG5S36
Nocomis biguttatusHornyhead ChubG5SX2
Notropis cornutusCommon ShinerG5S26
Noturus flavusStonecatG5S12
Oncorhynchus clarkii stomiasGreenback Cutthroat TroutG4T2T3S227
Phoxinus eosNorthern Redbelly DaceG5S16
Phoxinus erythrogasterSouthern Redbelly DaceG5S12
  • Insects

State Scientific NameState Common NameGRankSRankCount
Celastrina humulusHops Feeding AzureG2G3S26
Erebia pawlowskiiTheano AlpineG5S323
Euphyes bimaculaTwo-spotted SkipperG4S22
Hesperagrion heterodoxumPainted DamselG5S11
Speyeria idaliaRegal FritillaryG3S12
  • Mammals

State Scientific NameState Common NameGRankSRankCount
Myotis thysanodesFringed MyotisG4S37
Zapus hudsonius prebleiMeadow Jumping Mouse SubspG5T2S141
  • Mollusks

State Scientific NameState Common NameGRankSRankCount
Acroloxus coloradensisRocky Mountain CapshellG3G4S15
Anodontoides ferussacianusCylindrical PapershellG5S29
Physa utahensisBanded PhysaG5T2S11
Promenetus exacuousSharp SpriteG5S232
Promenetus umbilicatellusUmbilicate SpriteG4S326
  • Natural Communities

State Scientific NameState Common NameGRankSRankCount
Alnus incana - Salix (monticola, lucida, ligulifolia) ShrublandThinleaf Alder-Mixed Willow SpeciesG3S31
Alnus incana - Salix drummondiana ShrublandMontane Riparian ShrublandG3S35
Alnus incana / Mesic Forbs ShrublandThinleaf Alder/Mesic Forb Riparian ShrublandG3S32
Betula occidentalis / Maianthemum stellatum ShrublandFoothills Riparian ShrublandG4?S32
Betula occidentalis / Mesic Graminoids ShrublandLower Montane Riparian ShrublandsG3S22
Carex diandra Wet Meadow Herbaceous VegetationQuaking FenGNRS12
Carex lasiocarpa Herbaceous VegetationMontane WetlandG4?S11
Eleocharis rostellata Herbaceous VegetationEmergent WetlandG3S22
Phippsia algida Herbaceous VegetationAlpine WetlandsGUS16
Picea engelmannii - (Abies lasiocarpa) / Caltha leptosepala ForestEngelmann Spruce/White Marsh MarigoldG3?S11
Picea pungens / Alnus incana WoodlandMontane Riparian ForestsG3S31
Picea pungens / Betula occidentalis WoodlandMontane Riparian WoodlandG2S22
Populus angustifolia / Betula occidentalis WoodlandMontane Riparian ForestG3S35
Populus angustifolia / Salix irrorata WoodlandFoothills Riparian WoodlandG2S29
Populus tremuloides / Acer glabrum ForestMontane Riparian ForestsG1G2S21
Populus tremuloides / Alnus incana ForestMontane Riparian ForestsG3S34
Populus tremuloides / Betula occidentalis ForestG3S21
Potamogeton natans Herbaceous VegetationMontane Floating/Submergent WetlandG5?S12
Pseudotsuga menziesii / Betula occidentalis WoodlandMontane Riparian ForestG3?S23
Salix bebbiana ShrublandMontane Willow CarrsG3?S21
Salix drummondiana / Calamagrostis canadensis ShrublandLower Montane Willow CarrsG3S32
Salix geyeriana - Salix monticola / Calamagrostis canadensis ShrublandMontane Willow CarrsG3S22
Salix geyeriana / Calamagrostis canadensis ShrublandMontane Riparian Willow CarrG5S21
Salix monticola / Calamagrostis canadensis ShrublandMontane Willow CarrG3S38
Salix monticola / Mesic Graminoids ShrublandMontane Riparian Willow CarrG3S31
Salix planifolia / Calamagrostis canadensis ShrublandSubalpine Riparian Willow CarrG4S27
Salix planifolia / Carex scopulorum ShrublandSubalpine Riparian Willow CarrG4S11
Salix planifolia / Carex utriculata ShrublandDiamondleaf Willow / Beaked SedgeGNRS24
Salix wolfii / Mesic Forbs ShrublandSubalpine Riparian Willow CarrG3S31
Spartina pectinata Western Herbaceous VegetationPrairie Slough GrassG3?S25
Suaeda moquinii ShrublandG5SU1
  • Vascular Plants

State Scientific NameState Common NameGRankSRankCount
Acorus calamussweet flagG4?S11
Apios americanaAmerican groundnutG5S138
Carex diandralesser panicled sedgeG5S14
Carex lasiocarpaslender sedgeG5S110
Carex oreocharisa sedgeG3S25
Carex saximontanaRocky Mountain sedgeG5S16
Carex sprengeliiSprengel's sedgeG5S23
Carex sychnocephalamany-headed sedgeG4G5S11
Carex torreyiTorrey sedgeG4G5S12
Eriophorum gracileslender cottongrassG5S1S21
Hippochaete variegatavariegated scouringrushG5S12
Juncus vaseyiVasey bulrushG5S114
Liatris ligulistylisgay-featherG5?S23
Listera convallarioidesBroad-leaved twaybladeG5S211
Malaxis monophyllos ssp. brachypodawhite adder's-mouthG4G5QS15
Mimulus gemmiparusRocky Mountain monkeyflowerG1S11
Oenothera coloradensis ssp. coloradensisColorado butterfly plantG3T2S12
Parnassia kotzebueiKotzebue's grass-of-parnassusG5S25
Phippsia algidasnow grassG5S21
Potamogeton diversifoliuswaterthread pondweedG5S11
Salix serissimaautumn willowG5S11
Spiranthes diluvialisUte ladies' tressesG2G3S280
Utricularia minorlesser bladderwortG5S28