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Classification
Scientific Name: Inter-Mountain Basins Big Sagebrush Shrubland
Unique Identifier: CES304.777
Classification Confidence: 2 - Moderate

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Summary: This ecological system occurs throughout much of the western U.S., typically in broad basins between mountain ranges, plains and foothills between 800 and 2500 m elevation. Soils are typically deep, well-drained and non-saline. These shrublands are dominated by Artemisia tridentata ssp. tridentata (not as common in Wyoming or Montana but possibly on stabilized part of Killpecker Dunes in Wyoming) and/or Artemisia tridentata ssp. wyomingensis (predominant in Wyoming and Montana). Scattered Juniperus spp., Sarcobatus vermiculatus, and Atriplex spp. may be present in some stands. Ericameria nauseosa, Chrysothamnus viscidiflorus, Purshia tridentata (not commonly in Montana or Wyoming), or Symphoricarpos oreophilus may codominate disturbed stands (e.g., in burned stands, these may become more predominant). Perennial herbaceous components typically contribute less than 25% vegetative cover. Common graminoid species can include Achnatherum hymenoides, Bouteloua gracilis, Elymus lanceolatus, Festuca idahoensis (not in Montana or Wyoming), Hesperostipa comata, Leymus cinereus, Pleuraphis jamesii (not present in northeastern portions of the range), Pascopyrum smithii, Poa secunda, or Pseudoroegneria spicata (not in Wyoming). Dunes in the Red Desert have areas of large basin big sage with very dense canopies. In Wyoming, this system is likely to only contain Artemisia tridentata ssp. tridentata.

Classification Approach: International Terrestrial Ecological Systems Classification (ITESC)

Classification Comments: Most Artemisia tridentata ssp. wyomingensis communities in Wyoming are placed in Inter-Mountain Basins Big Sagebrush Steppe (CES304.778); the shrubland system is more restricted in environmental setting than the steppe.

Similar Ecological Systems
Unique Identifier Name
CES304.778 Inter-Mountain Basins Big Sagebrush Steppe


Component Associations
Association Unique ID Association Name
CEGL000991 Artemisia tridentata Shrubland
CEGL000994 Artemisia tridentata ssp. wyomingensis / Balsamorhiza sagittata Shrubland
CEGL000995 Artemisia tridentata / Bouteloua gracilis Shrubland
CEGL000996 Artemisia tridentata / Bouteloua gracilis - Pleuraphis jamesii Shrubland
CEGL000997 Artemisia tridentata / Bouteloua gracilis - Pascopyrum smithii Shrubland
CEGL000998 Artemisia tridentata / Ericameria nauseosa Shrubland
CEGL000999 Artemisia tridentata / Chrysothamnus viscidiflorus / Poa secunda Shrubland
CEGL001000 Artemisia tridentata ssp. tridentata / Distichlis spicata Shrubland
CEGL001001 Artemisia tridentata / Elymus elymoides Shrubland
CEGL001002 Artemisia tridentata - Ephedra nevadensis Shrubland
CEGL001003 Artemisia tridentata - Ephedra spp. Shrubland
CEGL001004 Artemisia tridentata ssp. tridentata - Grayia spinosa Shrubland
CEGL001005 Artemisia tridentata / Pleuraphis jamesii Shrubland
CEGL001006 Artemisia tridentata / Achnatherum hymenoides Shrubland
CEGL001008 Artemisia tridentata ssp. tridentata / Poa secunda Shrubland
CEGL001009 Artemisia tridentata ssp. wyomingensis / Pseudoroegneria spicata Shrubland
CEGL001011 Artemisia tridentata / Achnatherum lettermanii Shrubland
CEGL001012 Artemisia tridentata / Symphoricarpos longiflorus Shrubland
CEGL001013 Artemisia tridentata Upperzone Community Shrubland
CEGL001014 Artemisia tridentata ssp. tridentata / Festuca idahoensis Shrubland
CEGL001015 Artemisia tridentata ssp. tridentata / Pleuraphis jamesii Shrubland
CEGL001016 Artemisia tridentata ssp. tridentata / Leymus cinereus Shrubland
CEGL001017 Artemisia tridentata ssp. tridentata / Pascopyrum smithii - (Elymus lanceolatus) Shrubland
CEGL001018 Artemisia tridentata (ssp. tridentata, ssp. xericensis) / Pseudoroegneria spicata Shrub Grassland
CEGL001019 Artemisia tridentata (ssp. tridentata, ssp. xericensis) / Pseudoroegneria spicata - Poa secunda Shrub Grassland
CEGL001028 Artemisia tridentata ssp. vaseyana / Pascopyrum smithii Shrubland
CEGL001041 Artemisia tridentata ssp. wyomingensis / Bouteloua gracilis Shrubland
CEGL001042 Artemisia tridentata ssp. wyomingensis / Carex filifolia Shrubland
CEGL001043 Artemisia tridentata ssp. wyomingensis / Elymus elymoides Shrubland
CEGL001044 Artemisia tridentata ssp. wyomingensis / Elymus albicans Shrubland
CEGL001045 Artemisia tridentata ssp. wyomingensis / Leymus ambiguus Shrubland
CEGL001046 Artemisia tridentata ssp. wyomingensis / Achnatherum hymenoides Shrubland
CEGL001047 Artemisia tridentata ssp. wyomingensis / Pascopyrum smithii Shrub Grassland
CEGL001048 Artemisia tridentata ssp. wyomingensis - Peraphyllum ramosissimum / Festuca idahoensis Shrubland
CEGL001049 Artemisia tridentata ssp. wyomingensis / Poa secunda Shrubland
CEGL001050 Artemisia tridentata ssp. wyomingensis - Purshia tridentata / Pseudoroegneria spicata Shrubland
CEGL001051 Artemisia tridentata ssp. wyomingensis / Hesperostipa comata Shrubland
CEGL001052 Artemisia tridentata ssp. wyomingensis / Achnatherum thurberianum Shrubland
CEGL001327 Krascheninnikovia lanata / Hesperostipa comata Dwarf-shrubland
CEGL001350 Grayia spinosa / Achnatherum hymenoides Shrubland
CEGL001458 Artemisia tridentata / Leymus cinereus Shrub Grassland
CEGL001492 Purshia tridentata / Carex pensylvanica - Achnatherum occidentale Shrub Grassland
CEGL001530 Artemisia tridentata / Festuca idahoensis Shrub Grassland
CEGL001534 Artemisia tridentata ssp. wyomingensis / Mixed Grasses Shrub Grassland
CEGL001535 Artemisia tridentata ssp. wyomingensis / Pseudoroegneria spicata Shrub Grassland
CEGL002083 Artemisia tridentata ssp. wyomingensis / Disturbed Understory Ruderal Shrubland
CEGL002084 Artemisia tridentata ssp. wyomingensis / Pleuraphis jamesii Shrubland
CEGL002185 Artemisia tridentata ssp. wyomingensis / (Agropyron cristatum, Psathyrostachys juncea) Seeded Grasses Ruderal Shrubland
CEGL002200 Artemisia tridentata ssp. tridentata / Sporobolus airoides Shrubland
CEGL002699 Artemisia tridentata - (Ericameria nauseosa) / Bromus tectorum Ruderal Shrubland
CEGL002713 Ericameria nauseosa Shrubland
CEGL002761 Artemisia tridentata ssp. wyomingensis / Hesperostipa comata Colorado Plateau Shrubland
CEGL002768 Artemisia tridentata ssp. wyomingensis / Sparse Understory Shrubland
CEGL002775 Artemisia tridentata ssp. wyomingensis / Poa fendleriana Shrubland
CEGL002810 Artemisia tridentata ssp. wyomingensis / Achnatherum pinetorum Shrubland
CEGL002813 Artemisia tridentata ssp. wyomingensis / Leymus salinus Shrubland
CEGL002966 Artemisia tridentata ssp. tridentata / Hesperostipa comata Shrubland



Classifiers

Land Cover Class: Shrubland
Spatial Pattern: Matrix
Natural/Seminatural: No
Vegetated ( > 10% vascular cover):
Upland: Yes
Wetland: No
Isolated Wetland: No

Diagnostic Classifiers
Primary Classifier Secondary Classifier
Lowland Lowland
Shrubland (Shrub-dominated)  
Toeslope/Valley Bottom  
Deep Soil  
Aridic  
Artemisia tridentata ssp. tridentata  

Non-diagnostic Classifiers
Primary Classifier Secondary Classifier
Alluvial plain  
Plain  
Temperate Temperate Continental
Alkaline Soil  
Xeromorphic Shrub  

At-Risk Species Reported for this Ecological System
Scientific Name
  (Common Name)
NatureServe Global Status U.S. Endangered Species Act Status
Acrolophitus pulchellus
  (Idaho Point-headed Grasshopper)
G1G3  
Allium aaseae
  (Aase Onion)
G3  
Arabis falcifructa
  (Elko Rockcress)
G1G2  
Astragalus ampullarius
  (Gumbo Milkvetch)
G2  
Astragalus anisus
  (Gunnison's Milkvetch)
G2G3  
Astragalus anserinus
  (Goose Creek Milkvetch)
G2  
Astragalus aquilonius
  (Lemhi Milkvetch)
G3  
Astragalus atratus var. inseptus
  (Mourning Milkvetch)
G4G5T3  
Astragalus columbianus
  (Columbia Milkvetch)
G3  
Astragalus convallarius var. margaretiae
  (Margaret's Rushy Milkvetch)
G5T2  
Astragalus cronquistii
  (Cronquist's Milkvetch)
G2  
Astragalus debequaeus
  (DeBeque Milkvetch)
G2  
Astragalus detritalis
  (Debris Milkvetch)
G3  
Astragalus hamiltonii
  (Hamilton's Milkvetch)
G1  
Astragalus jejunus var. articulatus
  (Hyattville Milkvetch)
G3T1  
Astragalus johannis-howellii
  (Long Valley Milkvetch)
G2  
Astragalus loanus
  (Glenwood Milkvetch)
G1  
Astragalus mulfordiae
  (Mulford's Milkvetch)
G2  
Astragalus oniciformis
  (Picabo Milkvetch)
G3  
Astragalus oophorus var. lavinii
  (Lavin's Egg Milkvetch)
G4T2  
Astragalus oophorus var. lonchocalyx
  (Pink Egg Milkvetch)
G4T2  
Astragalus osterhoutii
  (Osterhout's Milkvetch)
G1 LE: Listed endangered
Astragalus peckii
  (Peck's Milkvetch)
G3  
Astragalus proimanthus
  (Precocious Milkvetch)
G1  
Astragalus racemosus var. treleasei
  (Racemose Milkvetch)
G5T2  
Astragalus ripleyi
  (Ripley's Milkvetch)
G3  
Astragalus scaphoides
  (Bitterroot Milkvetch)
G3  
Astragalus toquimanus
  (Toquima Milkvetch)
G2  
Centrocercus minimus
  (Gunnison Sage-Grouse)
G2G3 LT: Listed threatened
Centrocercus urophasianus
  (Greater Sage-Grouse)
G3G4  
Cirsium ownbeyi
  (Ownbey's Thistle)
G3  
Cryptantha barnebyi
  (Barneby's Cat's-eye)
G3  
Cymopterus acaulis var. greeleyorum
  (Greeley's Wavewing)
G5T2Q  
Erigeron piperianus
  (Piper's Daisy)
G3  
Eriogonum beatleyae
  (Beatley's Buckwheat)
G2Q  
Eriogonum ephedroides
  (Ephedra Buckwheat)
G3  
Gilia stenothyrsa
  (Narrow-stem Gilia)
G3  
Hackelia hispida var. disjuncta
  (Sagebrush Stickseed)
G4T3  
Hackelia ophiobia
  (Three Forks Stickseed)
G3  
Lesquerella prostrata
  (Prostrate Bladderpod)
G2G3  
Lomatium packardiae
  (Packard's Desert-parsley)
G2  
Lupinus holmgrenianus
  (Holmgren Lupine)
G2  
Mentzelia inyoensis
  (Inyo Blazingstar)
G3  
Mentzelia multicaulis var. librina
  (Many-stem Stickleaf)
G3T1  
Mustela nigripes
  (Black-footed Ferret)
G1 LE, XN: Listed endangered, nonessential experimental population
Oreohelix sp. 1
  (Chelan Mountainsnail)
G2  
Oxytropis campestris var. wanapum
  (Northern Yellow Point-vetch)
G5T1  
Penstemon acaulis
  (Stemless Beardtongue)
G2  
Penstemon acaulis
  (Stemless Beardtongue)
G3Q  
Penstemon angustifolius var. dulcis
  (Broadbeard Beardtongue)
G5T2  
Penstemon deustus var. variabilis
  (Hot-rock Penstemon)
G5T1T2  
Penstemon harringtonii
  (Harrington's Beardtongue)
G3  
Penstemon idahoensis
  (Idaho Penstemon)
G2  
Penstemon pinorum
  (Pinyon Penstemon)
G1  
Penstemon sudans
  (Susanville Beardtongue)
G3  
Perognathus parvus xanthonotus
  (Yellow-eared Pocket Mouse)
G5T2  
Phacelia cronquistiana
  (Cronquist's Phacelia)
G1  
Phlox pungens
  (Beaver Rim Phlox)
G3  
Physaria condensata
  (Dense Twinpod)
G2G3  
Potentilla basaltica
  (Soldier Meadows Cinquefoil)
G1  
Sclerocactus blainei
  (Blaine's Pincushion)
G1G2Q  
Sphaeromeria simplex
  (Laramie False Sagebrush)
G2  
Texosporium sancti-jacobi
  (Woven-spored Lichen)
G3  
Thomomys clusius
  (Wyoming Pocket Gopher)
G2G3  
Tympanuchus phasianellus columbianus
  (Columbian Sharp-tailed Grouse)
G4T3  
Urocitellus washingtoni
  (Washington Ground Squirrel)
G2  

Vegetation Composition (incomplete)
Species Name Rounded Global Status Growth Form Stratum Char-
acter-
istic
Domi-nant Con-stant
Cover Class %
Con-
stancy
%
Chrysothamnus viscidiflorus G5 Broad-leaved deciduous shrub Shrub/sapling (tall & short)    
 
 
Ericameria nauseosa G5 Broad-leaved deciduous shrub Shrub/sapling (tall & short)    
 
 
Artemisia tridentata ssp. tridentata T4 Broad-leaved evergreen shrub Shrub/sapling (tall & short)    
 
 
Artemisia tridentata ssp. wyomingensis T5 Broad-leaved evergreen shrub Shrub/sapling (tall & short)    
 
 
Purshia tridentata G4 Broad-leaved evergreen shrub Shrub/sapling (tall & short)    
 
 
Grayia spinosa G5 Broad-leaved deciduous shrub Short shrub/sapling    
 
 
Sclerocactus blainei G1 Succulent shrub Short shrub/sapling      
 
 
Allium aaseae G3 Flowering forb Herb (field)      
 
 
Allium anceps G4 Flowering forb Herb (field)      
 
 
Arabis falcifructa G1 Flowering forb Herb (field)      
 
 
Astragalus agrestis G5 Flowering forb Herb (field)      
 
 
Astragalus ampullarius G2 Flowering forb Herb (field)      
 
 
Astragalus anisus G2 Flowering forb Herb (field)      
 
 
Astragalus anserinus G2 Flowering forb Herb (field)      
 
 
Astragalus aquilonius G3 Flowering forb Herb (field)      
 
 
Astragalus atratus var. inseptus T3 Flowering forb Herb (field)      
 
 
Astragalus columbianus G3 Flowering forb Herb (field)      
 
 
Astragalus convallarius var. margaretiae T2 Flowering forb Herb (field)      
 
 
Astragalus cronquistii G2 Flowering forb Herb (field)      
 
 
Astragalus debequaeus G2 Flowering forb Herb (field)      
 
 
Astragalus detritalis G3 Flowering forb Herb (field)      
 
 
Astragalus hamiltonii G1 Flowering forb Herb (field)      
 
 
Astragalus jejunus var. articulatus T1 Flowering forb Herb (field)      
 
 
Astragalus johannis-howellii G2 Flowering forb Herb (field)      
 
 
Astragalus loanus G1 Flowering forb Herb (field)      
 
 
Astragalus mulfordiae G2 Flowering forb Herb (field)      
 
 
Astragalus newberryi var. castoreus T5 Flowering forb Herb (field)      
 
 
Astragalus oniciformis G3 Flowering forb Herb (field)      
 
 
Astragalus oophorus var. lavinii T2 Flowering forb Herb (field)      
 
 
Astragalus oophorus var. lonchocalyx T2 Flowering forb Herb (field)      
 
 
Astragalus osterhoutii G1 Flowering forb Herb (field)      
 
 
Astragalus peckii G3 Flowering forb Herb (field)      
 
 
Astragalus proimanthus G1 Flowering forb Herb (field)      
 
 
Astragalus racemosus var. treleasei T2 Flowering forb Herb (field)      
 
 
Astragalus ripleyi G3 Flowering forb Herb (field)      
 
 
Astragalus scaphoides G3 Flowering forb Herb (field)      
 
 
Astragalus toquimanus G2 Flowering forb Herb (field)      
 
 
Cirsium ownbeyi G3 Flowering forb Herb (field)      
 
 
Cistanthe rosea G5 Flowering forb Herb (field)      
 
 
Cryptantha barnebyi G3 Flowering forb Herb (field)      
 
 
Cryptantha scoparia G4 Flowering forb Herb (field)      
 
 
Cymopterus acaulis var. greeleyorum T2 Flowering forb Herb (field)      
 
 
Erigeron piperianus G3 Flowering forb Herb (field)      
 
 
Eriogonum beatleyae G2 Flowering forb Herb (field)      
 
 
Eriogonum crosbyae G4 Flowering forb Herb (field)      
 
 
Eriogonum ephedroides G3 Flowering forb Herb (field)      
 
 
Gilia stenothyrsa G3 Flowering forb Herb (field)      
 
 
Hackelia hispida var. disjuncta T3 Flowering forb Herb (field)      
 
 
Hackelia ophiobia G3 Flowering forb Herb (field)      
 
 
Lesquerella prostrata G2 Flowering forb Herb (field)      
 
 
Lomatium packardiae G2 Flowering forb Herb (field)      
 
 
Lomatium ravenii G4 Flowering forb Herb (field)      
 
 
Lupinus holmgrenianus G2 Flowering forb Herb (field)      
 
 
Lupinus uncialis G4 Flowering forb Herb (field)      
 
 
Mentzelia inyoensis G3 Flowering forb Herb (field)      
 
 
Mentzelia multicaulis var. librina T1 Flowering forb Herb (field)      
 
 
Oxytropis campestris var. wanapum T1 Flowering forb Herb (field)      
 
 
Penstemon acaulis G2 Flowering forb Herb (field)      
 
 
Penstemon acaulis G3 Flowering forb Herb (field)      
 
 
Penstemon angustifolius var. dulcis T2 Flowering forb Herb (field)      
 
 
Penstemon deustus var. variabilis T1 Flowering forb Herb (field)      
 
 
Penstemon harringtonii G3 Flowering forb Herb (field)      
 
 
Penstemon idahoensis G2 Flowering forb Herb (field)      
 
 
Penstemon janishiae G4 Flowering forb Herb (field)      
 
 
Penstemon pinorum G1 Flowering forb Herb (field)      
 
 
Penstemon sudans G3 Flowering forb Herb (field)      
 
 
Phacelia cronquistiana G1 Flowering forb Herb (field)      
 
 
Phlox pungens G3 Flowering forb Herb (field)      
 
 
Physaria condensata G2 Flowering forb Herb (field)      
 
 
Potentilla basaltica G1 Flowering forb Herb (field)      
 
 
Sphaeralcea grossulariifolia ssp. grossulariifolia T4 Flowering forb Herb (field)      
 
 
Sphaeromeria simplex G2 Flowering forb Herb (field)      
 
 
Bouteloua gracilis G5 Graminoid Herb (field)    
 
 
Elymus elymoides G5 Graminoid Herb (field)    
 
 
Hesperostipa comata G5 Graminoid Herb (field)    
 
 
Pleuraphis jamesii G5 Graminoid Herb (field)    
 
 
Pseudoroegneria spicata G5 Graminoid Herb (field)    
 
 
Texosporium sancti-jacobi G3 Lichen Nonvascular      
 
 


Animal Species Reported for this Ecological System
Scientific Name
  (Common Name)
Global Status U.S. Endangered Species Act Status Charact-
eristic
Exotic
Acrolophitus pulchellus
  (Idaho Point-headed Grasshopper)
G1G3      
Amphispiza bilineata
  (Black-throated Sparrow)
G5      
Artemisiospiza belli
  (Bell's Sparrow)
G5      
Athene cunicularia hypugaea
  (Western Burrowing Owl)
G4T4      
Brachylagus idahoensis
  (Pygmy Rabbit)
G4      
Centrocercus minimus
  (Gunnison Sage-Grouse)
G2G3 LT: Listed threatened    
Centrocercus urophasianus
  (Greater Sage-Grouse)
G3G4      
Coleonyx variegatus
  (Western Banded Gecko)
G5      
Coluber constrictor
  (North American Racer)
G5      
Crotalus oreganus concolor
  (Midget Faded Rattlesnake)
G5T4      
Cynomys gunnisoni
  (Gunnison's Prairie Dog)
G5      
Cynomys leucurus
  (White-tailed Prairie Dog)
G4      
Empidonax wrightii
  (Gray Flycatcher)
G5      
Gambelia wislizenii
  (Long-nosed Leopard Lizard)
G5      
Lampropeltis triangulum
  (Milksnake)
G5      
Lepus californicus
  (Black-tailed Jackrabbit)
G5      
Mustela nigripes
  (Black-footed Ferret)
G1 LE, XN: Listed endangered, nonessential experimental population    
Myiarchus cinerascens
  (Ash-throated Flycatcher)
G5      
Numenius americanus
  (Long-billed Curlew)
G5      
Oreohelix sp. 1
  (Chelan Mountainsnail)
G2      
Oreoscoptes montanus
  (Sage Thrasher)
G4      
Perognathus flavus
  (Silky Pocket Mouse)
G5      
Perognathus parvus xanthonotus
  (Yellow-eared Pocket Mouse)
G5T2      
Perognathus parvus
  (Great Basin Pocket Mouse)
G5      
Phrynosoma hernandesi
  (Short-horned Lizard)
G5      
Pipilo chlorurus
  (Green-tailed Towhee)
G5      
Pituophis catenifer
  (Gophersnake)
G5      
Rhinocheilus lecontei
  (Long-nosed Snake)
G5      
Sceloporus graciosus
  (Sagebrush Lizard)
G5      
Sceloporus magister
  (Desert Spiny Lizard)
G5      
Sonora semiannulata
  (Groundsnake)
G5      
Spea intermontana
  (Great Basin Spadefoot)
G5      
Spizella breweri
  (Brewer's Sparrow)
G5      
Thomomys clusius
  (Wyoming Pocket Gopher)
G2G3      
Thomomys idahoensis
  (Idaho Pocket Gopher)
G4      
Thomomys talpoides
  (Northern Pocket Gopher)
G5      
Tympanuchus phasianellus columbianus
  (Columbian Sharp-tailed Grouse)
G4T3      
Tympanuchus phasianellus
  (Sharp-tailed Grouse)
G5      
Urocitellus mollis
  (Piute Ground Squirrel)
G5      
Urocitellus washingtoni
  (Washington Ground Squirrel)
G2      
Zonotrichia leucophrys
  (White-crowned Sparrow)
G5      


Distribution
Color legend for Distribution Map
Nation: United States
United States Distribution: CA, CO, ID, MT, NV, OR, UT, WA, WY
Global Range: This system occurs throughout much of the western U.S., typically in broad basins between mountain ranges, plains and foothills. Its core distribution is in the Great Basin, but it extends north into the Columbia Basin and west into the foothills of the Sierra Nevada and Cascades, and east into the Colorado Plateau, Wyoming Basins and central and eastern Montana, although much of the sagebrush in this region is more steppe in physiognomy.

Biogeographic Divisions
Division Code and Name Primary Occurrence Status
303-Western Great Plains C: Confident or certain
304-Inter-Mountain Basins C: Confident or certain
306-Rocky Mountain C: Confident or certain

The Nature Conservancy's Conservation Ecoregions
Code Name Occurrence Status
10 Wyoming Basins Confident or certain
11 Great Basin Confident or certain
18 Utah High Plateaus Confident or certain
19 Colorado Plateau Confident or certain
20 Southern Rocky Mountains Confident or certain
26 Northern Great Plains Steppe Confident or certain
27 Central Shortgrass Prairie Confident or certain
4 Modoc Plateau and East Cascades Confident or certain
6 Columbia Plateau Confident or certain
8 Middle Rockies - Blue Mountains Confident or certain
9 Utah-Wyoming Rocky Mountains Confident or certain

MRLC 2000 Mapzones
Code Name Occurrence Status
1 Northern Cascades Reported but false
6 Sierra Nevada Mountain Range Predicted or probable
7 Cascade Mountain Range Confident or certain
8 Grande Coulee Basin of the Columbia Plateau Confident or certain
9 Blue Mountain Region Confident or certain
10 Northwestern Rocky Mountains Confident or certain
12 Western Great Basin Confident or certain
13 Death Valley Basin Confident or certain
15 Mogollon Rim Confident or certain
16 Utah High Plateaus Confident or certain
17 Eastern Great Basin Confident or certain
18 Snake River Plain Confident or certain
19 Northern Rocky Mountains Confident or certain
20 Missouri River Plateau Confident or certain
21 Middle Rocky Mountains Confident or certain
22 Wyoming Basin Confident or certain
23 Colorado Plateau Confident or certain
24 Navajo Plateau Confident or certain
25 Rio Grande Basin Predicted or probable
27 Great Plains Tablelands Possible
28 Southern Rocky Mountains Confident or certain
29 Wyoming Highlands Confident or certain
30 Northwestern Great Plains Predicted or probable
31 Sandhills Possible
33 Western Great Plains Possible

National Mapping
ESLF Code (Ecological System Lifeform): 5257
ESP Code (Environmental Site Potential): 1080
EVT Code (Existing Vegetation Type): 2080

West Landfire Legend: Yes
East Landfire Legend: No

Authors/Contributors
Element Description Edition Date: 29Aug2015
Element Description Author(s): K.A. Schulz

Ecological data developed by NatureServe and its network of natural heritage programs (see Local Programs) and other contributors and cooperators (see Sources).


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