Mcgregor - Thompson

Lolo National Forest · Montana · 27,211 acres · RoadlessArea Rule (2001)
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Observed Species (11)

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

American Black Bear (1)
Ursus americanus
Baker's Mariposa Lily (1)
Calochortus apiculatus
Bearberry (1)
Arctostaphylos uva-ursi
Giant Pinedrops (1)
Pterospora andromedea
Long-tailed Weasel (1)
Neogale frenata
Long-toed Salamander (1)
Ambystoma macrodactylum
Mountain Hemlock (1)
Tsuga mertensiana
Mountain Lady's-slipper (3)
Cypripedium montanum
Red-winged Blackbird (1)
Agelaius phoeniceus
Square-twigged Huckleberry (1)
Vaccinium membranaceum
Wild Boar (1)
Sus scrofa
Federally Listed Species (8)

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.

Spalding's Campion
Silene spaldingiiThreatened
Whitebark Pine
Pinus albicaulisThreatened
Bull Trout
Salvelinus confluentus
Canada Lynx
Lynx canadensis
Grizzly bear
Ursus arctos horribilis
Monarch
Danaus plexippusProposed Threatened
North American Wolverine
Gulo gulo luscus
Suckley's Cuckoo Bumble Bee
Bombus suckleyiProposed Endangered
Other Species of Concern (4)

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

Cassin's Finch
Haemorhous cassinii
Evening Grosbeak
Coccothraustes vespertinus
Olive-sided Flycatcher
Contopus cooperi
Rufous Hummingbird
Selasphorus rufus
Migratory Birds of Conservation Concern (4)

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.

Cassin's Finch
Haemorhous cassinii
Evening Grosbeak
Coccothraustes vespertinus
Olive-sided Flycatcher
Contopus cooperi
Rufous Hummingbird
Selasphorus rufus
Vegetation (9)

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

GNR25.5%
Rocky Mountain Lodgepole Pine Forest
Tree / Conifer · 2,561 ha
GNR23.3%
Southern Rockies Mixed Conifer Forest
Tree / Conifer · 1,745 ha
GNR15.8%
Northern Rockies Subalpine Shrubland
Shrub / Shrubland · 1,117 ha
GNR10.1%
GNR9.8%
Northern Rockies Foothill Shrubland
Shrub / Shrubland · 900 ha
GNR8.2%
GNR3.8%
GNR1.4%
Northern Rockies Subalpine Grassland
Herb / Grassland · 53 ha
GNR0.5%

Mcgregor - Thompson

Mcgregor - Thompson Roadless Area

Lolo National Forest, Montana · 27,211 acres