Mapping > Major River Basin Summaries > Upper Arkansas Tracked Elements

The Upper Arkansas 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)G4T1QS117
Anaxyrus debilisGreen ToadG5S215
Gastrophryne olivaceaWestern Narrow-mouthed ToadG5S19
Hyla arenicolorCanyon TreefrogG5S22
Lithobates blairiPlains Leopard FrogG5S363
Lithobates pipiensNorthern Leopard FrogG5S310
Scaphiopus couchiiCouch's SpadefootG5S19
  • Birds

State Scientific NameState Common NameGRankSRankCount
Charadrius alexandrinus nivosusWestern Snowy PloverG3T3S1B10
Charadrius melodusPiping PloverG3S1B7
Cypseloides nigerBlack SwiftG4S3B3
Grus canadensis tabidaGreater Sandhill CraneG5T5S2B,S4N1
Haliaeetus leucocephalusBald EagleG5S1B,S3N20
Himantopus mexicanusBlack-necked StiltG5S3B1
Melanerpes lewisLewis's WoodpeckerG4S486
Numenius americanusLong-billed CurlewG5S2B79
Pelecanus erythrorhynchosAmerican White PelicanG4S1B3
Phalaropus tricolorWilson's PhalaropeG5S4B,S4N1
Plegadis chihiWhite-faced IbisG5S2B1
Seiurus aurocapillaOvenbirdG5S2B11
Sterna antillarumLeast TernG4S1B6
Tympanuchus phasianellus jamesiPlains Sharp-tailed GrouseG4T4S11
  • Fish

State Scientific NameState Common NameGRankSRankCount
Etheostoma craginiArkansas DarterG3G4S229
Oncorhynchus clarkii stomiasGreenback Cutthroat TroutG4T2T3S213
Oncorhynchus clarkii virginalisRio Grande Cutthroat TroutG4T3S31
Phenacobius mirabilisSuckermouth MinnowG5S22
Phoxinus erythrogasterSouthern Redbelly DaceG5S14
Platygobio gracilisFlathead ChubG5S34
  • Insects

State Scientific NameState Common NameGRankSRankCount
Boloria selene sabulocollisSandhill FritillaryG5T2S1S21
Celastrina humulusHops Feeding AzureG2G3S23
Ochrotrichia susanaeSusan's purse-making caddisflyG2S21
  • Mammals

State Scientific NameState Common NameGRankSRankCount
Sorex nanusDwarf ShrewG4S23
Zapus hudsonius luteusMeadow Jumping Mouse SubspG5T2S12
Zapus hudsonius prebleiMeadow Jumping Mouse SubspG5T2S1125
  • Mollusks

State Scientific NameState Common NameGRankSRankCount
Anodonta grandisGiant FloaterG5S22
Valvata sinceraMossy ValvataG5S31
  • Natural Communities

State Scientific NameState Common NameGRankSRankCount
Abies concolor - Picea pungens - Populus angustifolia / Acer glabrum ForestMontane Riparian ForestsG2S26
Alnus incana - Salix drummondiana ShrublandMontane Riparian ShrublandG3S32
Alnus incana / Cornus sericea ShrublandThinleaf Alder-Red-osier Dogwood Riparian ShrublandG3G4S34
Alnus incana / Mesic Forbs ShrublandThinleaf Alder/Mesic Forb Riparian ShrublandG3S31
Alnus incana / Mesic Graminoids ShrublandMontane Riparian ShrublandG3S213
Betula nana / Mesic Forbs - Mesic Graminoids ShrublandSubalpine Riparian ShrublandG3G4S35
Betula occidentalis / Maianthemum stellatum ShrublandFoothills Riparian ShrublandG4?S36
Betula occidentalis / Mesic Graminoids ShrublandLower Montane Riparian ShrublandsG3S26
Buchloe dactyloides - Ratibida tagetes - Ambrosia linearis Herbaceous VegetationBuffalograss PlayaG3S334
Carex pellita Herbaceous VegetationMontane Wet MeadowsG3S22
Carex praegracilis Herbaceous VegetationClustered Sedge WetlandG3G4S24
Eleocharis rostellata Herbaceous VegetationEmergent WetlandG3S22
Juniperus scopulorum / Cornus sericea WoodlandRiparian WoodlandG4S21
Muhlenbergia asperifolia Herbaceous VegetationGreat Plains Salt MeadowsGUS26
Pascopyrum smithii - Eleocharis spp. Herbaceous VegetationPlaya GrasslandG1S14
Phippsia algida Herbaceous VegetationAlpine WetlandsGUS17
Picea pungens / Alnus incana WoodlandMontane Riparian ForestsG3S33
Picea pungens / Betula occidentalis WoodlandMontane Riparian WoodlandG2S22
Picea pungens / Equisetum arvense WoodlandMontane Riparian ForestG3?S11
Pinus ponderosa / Alnus incana WoodlandPonderosa Pine/Thin Leaf AlderG2S11
Populus angustifolia - Juniperus scopulorum WoodlandMontane Riparian ForestG2G3S314
Populus angustifolia - Pseudotsuga menziesii WoodlandMontane Riparian ForestG3S211
Populus angustifolia / Alnus incana WoodlandMontane Riparian ForestG3S313
Populus angustifolia / Betula occidentalis WoodlandMontane Riparian ForestG3S317
Populus angustifolia / Prunus virginiana WoodlandNarrowleaf Cottonwood/Common ChokecherryG2QS21
Populus angustifolia / Salix (monticola, drummondiana, lucida) WoodlandNarrowleaf Cottonwood/Mixed Willows Montane Riparian ForestG3S24
Populus angustifolia / Salix irrorata WoodlandFoothills Riparian WoodlandG2S24
Populus deltoides - (Salix amygdaloides) / Salix (exigua, interior) WoodlandPlains Cottonwood Riparian WoodlandG3G4S38
Populus deltoides / Carex pellita WoodlandPlains Cottonwood Riparian WoodlandG2S21
Populus deltoides / Distichlis spicata WoodlandPlains Cottonwood Riparian ForestsG2S12
Populus deltoides / Panicum virgatum - Schizachyrium scoparium WoodlandPlains Cottonwood Riparian ForestsG2S26
Populus deltoides / Pascopyrum smithii - Panicum virgatum WoodlandGNRS29
Populus deltoides / Sporobolus airoides ForestPlains Cottonwood / Alkali SacatonG3S218
Populus deltoides / Symphoricarpos occidentalis WoodlandPlains Cottonwood Riparian WoodlandG2G3S21
Populus deltoides ssp. wislizeni / Disturbed Understory WoodlandGNAS27
Populus tremuloides / Acer glabrum ForestMontane Riparian ForestsG1G2S21
Populus tremuloides / Alnus incana ForestMontane Riparian ForestsG3S39
Populus tremuloides / Betula occidentalis ForestG3S21
Populus tremuloides / Salix drummondiana ForestG3G4S12
Pseudotsuga menziesii / Betula occidentalis WoodlandMontane Riparian ForestG3?S214
Pseudotsuga menziesii / Cornus sericea WoodlandLower Montane Riparian ForestsG4S23
Salix bebbiana ShrublandMontane Willow CarrsG3?S23
Salix brachycarpa / Carex aquatilis ShrublandSubalpine Riparian/Wetland CarrG2G3S21
Salix drummondiana / Calamagrostis canadensis ShrublandLower Montane Willow CarrsG3S31
Salix exigua - Salix ligulifolia ShrublandStrapleaf Willow-Coyote WillowG2G3S21
Salix geyeriana - Salix monticola / Mesic Forbs ShrublandGeyer's Willow-Rocky Mountain Willow/Mesic ForbG3S36
Salix geyeriana / Carex aquatilis ShrublandMontane Willow CarrG3S23
Salix geyeriana / Mesic Forbs ShrublandMontane Willow CarrG3S22
Salix geyeriana / Mesic Graminoids ShrublandGeyer's Willow/Mesic GraminoidG3?S21
Salix ligulifolia ShrublandMontane Willow CarrG2G3S31
Salix monticola / Calamagrostis canadensis ShrublandMontane Willow CarrG3S32
Salix monticola / Carex aquatilis ShrublandMontane Riparian Willow CarrG3S21
Salix monticola / Carex utriculata ShrublandMontane Riparian Willow CarrG3S32
Salix monticola / Mesic Graminoids ShrublandMontane Riparian Willow CarrG3S31
Salix planifolia / Deschampsia caespitosa ShrublandSubalpine Riparian Willow CarrG2G3S21
Salix planifolia / Mesic Forbs Shrubland [Provisional]Planeleaf Willow/Mesic ForbsG4S21
Salix wolfii / Carex aquatilis ShrublandSubalpine Riparian Willow CarrG4S33
Salix wolfii / Mesic Forbs ShrublandSubalpine Riparian Willow CarrG3S38
Sarcobatus vermiculatus / Bouteloua gracilis ShrublandSaline Bottomland ShrublandsG1QS11
Sarcobatus vermiculatus / Distichlis spicata ShrublandSaline Bottomland ShrublandsG4S21
Sarcobatus vermiculatus / Sporobolus airoides Sparse VegetationSaline Bottomland ShrublandsG3?S19
Schoenoplectus pungens Herbaceous VegetationBulrushG3G4S316
Spartina pectinata Western Herbaceous VegetationPrairie Slough GrassG3?S22
Sporobolus airoides Southern Plains Herbaceous VegetationGreat Plains Salt MeadowsG3QS210
  • Reptiles

State Scientific NameState Common NameGRankSRankCount
Kinosternon flavescensYellow Mud TurtleG5S111
Lampropeltis getulaCommon KingsnakeG5S19
  • Vascular Plants

State Scientific NameState Common NameGRankSRankCount
Agastache foeniculumlavender hyssopG5S15
Ambrosia linearisplains ragweedG3S382
Carex concinnalow northern sedgeG5S12
Carex craweiCrawe sedgeG5S12
Carex diandralesser panicled sedgeG5S11
Carex gravida var. lunellianaLunell's heavy-fruited sedgeG5T3T5QS12
Carex leptaleabristle-stalk sedgeG5S15
Carex limosamud sedgeG5S25
Carex oreocharisa sedgeG3S29
Carex peckiiPeck sedgeG5S11
Carex scirpoideaCanadian single-spike sedgeG5S24
Carex stenoptilasmall-winged sedgeG3S23
Carex torreyiTorrey sedgeG4G5S11
Castilleja lineatamarsh-meadow indian-paintbrushG4?S2S33
Elatine triandralongstem water-wortG5S21
Epipactis giganteagiant helleborineG4S1S24
Eriophorum altaicum var. neogaeumAltai cottongrassG4?T3T4S34
Eriophorum gracileslender cottongrassG5S1S215
Eutrema penlandiiMosquito Range mustardG1G2S1S22
Hypoxis hirsutaYellow stargrassG5S19
Isoetes setacea ssp. muricataspiny-spored quillwortG5?T5?S21
Juncus brachycephalussmall-headed rushG5S16
Juncus brevicaudatusnarrow-panicled rushG5S11
Kobresia simpliciusculasimple kobresiaG5S21
Liatris ligulistylisgay-featherG5?S211
Listera borealisnorthern twaybladeG4S22
Listera convallarioidesBroad-leaved twaybladeG5S21
Malaxis monophyllos ssp. brachypodawhite adder's-mouthG4G5QS12
Phippsia algidasnow grassG5S211
Ptilagrostis porteriPorter feathergrassG2S22
Ribes americanumAmerican currantG5S22
Salix candidahoary or silver willowG5S22
Salix serissimaautumn willowG5S11
Sisyrinchium pallidumPale blue-eyed grassG3S29
Spiranthes diluvialisUte ladies' tressesG2G3S22
Utricularia minorlesser bladderwortG5S27