Sourdough Mountain

Beaverhead-Deerlodge National Forest · Montana · 14,933 acres · RoadlessArea Rule (2001)
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Observed Species (6)

Species with confirmed research-grade observation records from iNaturalist community science data.

Douglas-fir (1)
Pseudotsuga menziesii
Hare's-foot Point-vetch (2)
Oxytropis lagopus
Large-fruit Desert-parsley (1)
Lomatium macrocarpum
Rydberg's Springbeauty (1)
Claytonia multiscapa
Showy Jacob's-ladder (1)
Polemonium pulcherrimum
Uinta Ground Squirrel (1)
Urocitellus armatus
Federally Listed Species (5)

Species identified by the U.S. Fish and Wildlife Service as potentially occurring within this area based on range and habitat data. These designations do not indicate confirmed presence — they identify habitat where agency actions may require consultation under the Endangered Species Act.

Whitebark Pine
Pinus albicaulisThreatened
Canada Lynx
Lynx canadensis
Monarch
Danaus plexippusProposed Threatened
North American Wolverine
Gulo gulo luscus
Suckley's Cuckoo Bumble Bee
Bombus suckleyiProposed Endangered
Other Species of Concern (2)

Species identified by the U.S. Fish and Wildlife Service as potentially occurring based on range and habitat data.

Bald Eagle
Haliaeetus leucocephalus
Cassin's Finch
Haemorhous cassinii
Migratory Birds of Conservation Concern (2)

Birds of conservation concern identified by the U.S. Fish and Wildlife Service as potentially occurring based on range data. These species may warrant additional consideration under the Migratory Bird Treaty Act.

Bald Eagle
Haliaeetus leucocephalus
Cassin's Finch
Haemorhous cassinii
Vegetation (9)

Composition from LANDFIRE 2024 EVT spatial analysis. Ecosystems classified per NatureServe Terrestrial Ecological Systems.

Intermountain Mountain Sagebrush Steppe
Shrub / Shrubland · 4,287 ha
GNR70.9%
Central Rockies Douglas-fir Forest
Tree / Conifer · 849 ha
GNR14.0%
Rocky Mountain Cliff Canyon and Massive Bedrock
Sparse / Sparsely Vegetated · 249 ha
4.1%
Northern Rockies Subalpine Grassland
Herb / Grassland · 166 ha
GNR2.7%
Rocky Mountain Subalpine Meadow
Herb / Grassland · 140 ha
GNR2.3%
Rocky Mountain Lodgepole Pine Forest
Tree / Conifer · 80 ha
GNR1.3%
Columbia Plateau Low Sagebrush Steppe
Shrub / Shrubland · 70 ha
GNR1.2%
GNR1.0%

Sourdough Mountain

Sourdough Mountain Roadless Area

Beaverhead-Deerlodge National Forest, Montana · 14,933 acres