Pilgrim Creek

Lewis and Clark National Forest · Montana · 44,608 acres · RoadlessArea Rule (2001)
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Observed Species (42)

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

American Bistort (1)
Bistorta bistortoides
American Pasqueflower (1)
Pulsatilla nuttalliana
American Pinesap (1)
Monotropa hypopitys
Awnless Brome (1)
Bromus inermis
Bearberry (2)
Arctostaphylos uva-ursi
Black Medic (2)
Medicago lupulina
Black Star-thistle (1)
Centaurea nigra
Bladder Campion (2)
Silene latifolia
Bristly Black Currant (1)
Ribes lacustre
Canada Violet (2)
Viola canadensis
Choke Cherry (2)
Prunus virginiana
Columbian Virgin's-bower (2)
Clematis columbiana
Creeping Bellflower (1)
Campanula rapunculoides
Creeping Oregon-grape (1)
Berberis repens
Creeping Wild Rye (1)
Elymus repens
Dame's Rocket (1)
Hesperis matronalis
Dusky Grouse (1)
Dendragapus obscurus
Eastern Heath Snail (3)
Xerolenta obvia
Few-flower Shootingstar (1)
Primula pauciflora
Golden-Hardhack (1)
Dasiphora fruticosa
Gunnison's Mariposa Lily (1)
Calochortus gunnisonii
Lanceleaf Springbeauty (1)
Claytonia lanceolata
Maiden's-tears (2)
Silene vulgaris
Meadow Deathcamas (1)
Toxicoscordion venenosum
Meadow Timothy (1)
Phleum pratense
Muskroot (1)
Adoxa moschatellina
Nodding Onion (1)
Allium cernuum
North American Red Squirrel (1)
Tamiasciurus hudsonicus
Northern Snowberry (2)
Symphoricarpos occidentalis
Oregon Bitterroot (1)
Lewisia rediviva
Prairie Rose (1)
Rosa arkansana
Sand Violet (1)
Viola adunca
Sticky Geranium (1)
Geranium viscosissimum
Striped Coralroot (2)
Corallorhiza striata
Tall White Bog Orchid (1)
Platanthera dilatata
Timber Milkvetch (1)
Astragalus miser
Virginia Strawberry (1)
Fragaria virginiana
Western Gromwell (1)
Lithospermum ruderale
Western Painted Suillus (1)
Suillus lakei
Western Sweet-cicely (1)
Osmorhiza occidentalis
Westslope Cutthroat Trout (1)
Oncorhynchus lewisi
Wild Bergamot (1)
Monarda fistulosa
Federally Listed Species (6)

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
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 (7)

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

Bald Eagle
Haliaeetus leucocephalus
Calliope Hummingbird
Selasphorus calliope
Cassin's Finch
Haemorhous cassinii
Evening Grosbeak
Coccothraustes vespertinus
Golden Eagle
Aquila chrysaetos
Olive-sided Flycatcher
Contopus cooperi
Rufous Hummingbird
Selasphorus rufus
Migratory Birds of Conservation Concern (7)

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
Calliope Hummingbird
Selasphorus calliope
Cassin's Finch
Haemorhous cassinii
Evening Grosbeak
Coccothraustes vespertinus
Golden Eagle
Aquila chrysaetos
Olive-sided Flycatcher
Contopus cooperi
Rufous Hummingbird
Selasphorus rufus
Vegetation (13)

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

Central Rockies Douglas-fir Forest
Tree / Conifer · 8,105 ha
GNR44.9%
Rocky Mountain Lodgepole Pine Forest
Tree / Conifer · 5,547 ha
GNR30.7%
Northern Rockies Foothill Shrubland
Shrub / Shrubland · 993 ha
GNR5.5%
GNR4.5%
Southern Rockies Mixed Conifer Forest
Tree / Conifer · 731 ha
GNR4.0%
Northern Rockies Subalpine Grassland
Herb / Grassland · 477 ha
GNR2.6%
Intermountain Mountain Sagebrush Steppe
Shrub / Shrubland · 387 ha
GNR2.1%
GNR1.3%
Rocky Mountain Cliff Canyon and Massive Bedrock
Sparse / Sparsely Vegetated · 191 ha
1.1%
GNR0.9%
Northern Rockies Subalpine Shrubland
Shrub / Shrubland · 97 ha
GNR0.5%
GNR0.5%
Rocky Mountain Aspen Forest
Tree / Hardwood · 76 ha
GNR0.4%

Pilgrim Creek

Pilgrim Creek Roadless Area

Lewis and Clark National Forest, Montana · 44,608 acres