Mapping > Major River Basin Summaries > Rio Grande Headwaters Tracked Elements

The Rio Grande 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)G4T1QS115
  • Birds

State Scientific NameState Common NameGRankSRankCount
Asio flammeusShort-eared OwlG5S2B12
Catoptrophorus semipalmatusWilletG5S1B1
Centrocercus minimusGunnison Sage GrouseG2G3S11
Charadrius alexandrinus nivosusWestern Snowy PloverG3T3S1B15
Cypseloides nigerBlack SwiftG4S3B6
Egretta thulaSnowy EgretG5S2B9
Empidonax traillii extimusSouthwestern Willow FlycatcherG5T2SU5
Grus canadensis tabidaGreater Sandhill CraneG5T5S2B,S4N3
Haliaeetus leucocephalusBald EagleG5S1B,S3N26
Himantopus mexicanusBlack-necked StiltG5S3B4
Melanerpes lewisLewis's WoodpeckerG4S47
Numenius americanusLong-billed CurlewG5S2B10
Pelecanus erythrorhynchosAmerican White PelicanG4S1B1
Phalaropus tricolorWilson's PhalaropeG5S4B,S4N1
Plegadis chihiWhite-faced IbisG5S2B8
Sterna forsteriForster's TernG5S2B,S4N10
  • Fish

State Scientific NameState Common NameGRankSRankCount
Catostomus plebeiusRio Grande SuckerG3G4S19
Gila pandoraRio Grande ChubG3S1?39
Oncorhynchus clarkii virginalisRio Grande Cutthroat TroutG4T3S3151
  • Insects

State Scientific NameState Common NameGRankSRankCount
Libellula nodistictaHoary SkimmerG4S11
Oeneis albertaAlberta ArcticG5S31
Speyeria nokomis nokomisGreat Basin Silverspot ButterflyG3T1S11
  • Mollusks

State Scientific NameState Common NameGRankSRankCount
Promenetus umbilicatellusUmbilicate SpriteG4S35
Valvata sinceraMossy ValvataG5S36
  • Natural Communities

State Scientific NameState Common NameGRankSRankCount
Abies concolor - Picea pungens - Populus angustifolia / Acer glabrum ForestMontane Riparian ForestsG2S25
Alnus incana - Salix (monticola, lucida, ligulifolia) ShrublandThinleaf Alder-Mixed Willow SpeciesG3S37
Alnus incana - Salix drummondiana ShrublandMontane Riparian ShrublandG3S37
Alnus incana / Cornus sericea ShrublandThinleaf Alder-Red-osier Dogwood Riparian ShrublandG3G4S31
Alnus incana / Mesic Forbs ShrublandThinleaf Alder/Mesic Forb Riparian ShrublandG3S39
Alnus incana / Mesic Graminoids ShrublandMontane Riparian ShrublandG3S23
Betula occidentalis / Maianthemum stellatum ShrublandFoothills Riparian ShrublandG4?S31
Carex lasiocarpa Herbaceous VegetationMontane WetlandG4?S11
Carex pellita Herbaceous VegetationMontane Wet MeadowsG3S216
Carex vesicaria Herbaceous VegetationMontane WetlandG4QS11
Catabrosa aquatica - Mimulus ssp. Spring WetlandSpring WetlandGUS24
Cornus sericea ShrublandFoothills Riparian ShrublandG4QS22
Picea pungens / Alnus incana WoodlandMontane Riparian ForestsG3S33
Picea pungens / Cornus sericea WoodlandMontane Riparian ForestG4S21
Populus angustifolia - Juniperus scopulorum WoodlandMontane Riparian ForestG2G3S313
Populus angustifolia - Picea pungens / Alnus incana WoodlandMontane Riparian ForestsG3S39
Populus angustifolia / Alnus incana WoodlandMontane Riparian ForestG3S316
Populus angustifolia / Betula occidentalis WoodlandMontane Riparian ForestG3S32
Populus angustifolia / Rhus trilobata WoodlandNarrowleaf Cottonwood/SkunkbrushG3S32
Populus angustifolia / Salix (monticola, drummondiana, lucida) WoodlandNarrowleaf Cottonwood/Mixed Willows Montane Riparian ForestG3S24
Populus angustifolia / Salix drummondiana - Acer glabrum WoodlandG2?S11
Populus angustifolia Sand Dune ForestG1S12
Populus tremuloides / Acer glabrum ForestMontane Riparian ForestsG1G2S23
Populus tremuloides / Alnus incana ForestMontane Riparian ForestsG3S34
Populus tremuloides / Betula occidentalis ForestG3S24
Populus tremuloides / Cornus sericea ForestMontane Riparian WoodlandG4S21
Populus tremuloides / Salix drummondiana ForestG3G4S11
Pseudotsuga menziesii / Betula occidentalis WoodlandMontane Riparian ForestG3?S21
Salicornia rubra Herbaceous VegetationWestern Slope Salt MeadowsG2G3S13
Salix bebbiana ShrublandMontane Willow CarrsG3?S25
Salix boothii / Mesic Forbs ShrublandBooth's Willow/Mesic ForbG3S33
Salix brachycarpa / Carex aquatilis ShrublandSubalpine Riparian/Wetland CarrG2G3S24
Salix drummondiana / Calamagrostis canadensis ShrublandLower Montane Willow CarrsG3S32
Salix exigua - Salix ligulifolia ShrublandStrapleaf Willow-Coyote WillowG2G3S21
Salix geyeriana - Salix monticola / Mesic Forbs ShrublandGeyer's Willow-Rocky Mountain Willow/Mesic ForbG3S31
Salix geyeriana / Calamagrostis canadensis ShrublandMontane Riparian Willow CarrG5S22
Salix geyeriana / Carex utriculata ShrublandGeyer's Willow/Beaked SedgeG5S23
Salix geyeriana / Mesic Forbs ShrublandMontane Willow CarrG3S21
Salix ligulifolia ShrublandMontane Willow CarrG2G3S38
Salix lucida ssp. caudata Shrubland [Provisional]Montane Riparian ShrublandG3QS22
Salix monticola / Calamagrostis canadensis ShrublandMontane Willow CarrG3S35
Salix monticola / Carex aquatilis ShrublandMontane Riparian Willow CarrG3S27
Salix monticola / Mesic Graminoids ShrublandMontane Riparian Willow CarrG3S315
Salix planifolia / Calamagrostis canadensis ShrublandSubalpine Riparian Willow CarrG4S21
Salix planifolia / Deschampsia caespitosa ShrublandSubalpine Riparian Willow CarrG2G3S21
Salix planifolia / Mesic Forbs Shrubland [Provisional]Planeleaf Willow/Mesic ForbsG4S23
Salix wolfii / Mesic Forbs ShrublandSubalpine Riparian Willow CarrG3S33
Sarcobatus vermiculatus / Distichlis spicata ShrublandSaline Bottomland ShrublandsG4S280
Sarcobatus vermiculatus / Sporobolus airoides Sparse VegetationSaline Bottomland ShrublandsG3?S11
Schoenoplectus maritimus Herbaceous VegetationEmergent Wetland (Marsh)G4S211
Schoenoplectus pungens Herbaceous VegetationBulrushG3G4S316
Sparganium angustifolium Herbaceous VegetationMontane Floating/submergent Palustrine WetlandsG4S22
Sparganium eurycarpum Herbaceous VegetationFoothills/Plains Floating/Submergent Palustrine WetlandsG4S13
Sporobolus airoides Southern Plains Herbaceous VegetationGreat Plains Salt MeadowsG3QS24
  • Vascular Plants

State Scientific NameState Common NameGRankSRankCount
Carex lasiocarpaslender sedgeG5S11
Carex limosamud sedgeG5S23
Epipactis giganteagiant helleborineG4S1S21
Erigeron philadelphicusPhiladelphia fleabaneG5S14
Eriophorum altaicum var. neogaeumAltai cottongrassG4?T3T4S34
Isoetes setacea ssp. muricataspiny-spored quillwortG5?T5?S27
Liatris ligulistylisgay-featherG5?S22
Peritoma multicaulisslender spiderflowerG2G3S2S3119
Rorippa coloradensisColorado watercressGHSH11
Salix arizonicaArizona willowG2G3S11
Sisyrinchium demissumblue-eyed grassG5S216
Sisyrinchium pallidumPale blue-eyed grassG3S23
Sparganium eurycarpumbroadfruit bur-reedG5S21