Petty Mountain

Lolo National Forest · Montana · 16,178 acres · RoadlessArea Rule (2001)
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Observed Species (58)

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

American Dipper (1)
Cinclus mexicanus
Arrowleaf Balsamroot (1)
Balsamorhiza sagittata
Awnless Brome (2)
Bromus inermis
Bearberry (1)
Arctostaphylos uva-ursi
Bighorn Sheep (5)
Ovis canadensis
Bracken Fern (1)
Pteridium aquilinum
Bulbous Woodland-star (2)
Lithophragma glabrum
California Flattened Jumping Spider (1)
Platycryptus californicus
Cat-faced Orbweaver (1)
Araneus gemmoides
Choke Cherry (2)
Prunus virginiana
Common Monkeyflower (2)
Erythranthe guttata
Common St. John's-wort (2)
Hypericum perforatum
Common Tansy (1)
Tanacetum vulgare
Cougar (1)
Puma concolor
Coyote (1)
Canis latrans
Creeping Oregon-grape (1)
Berberis repens
Douglas-fir (1)
Pseudotsuga menziesii
Elegant Mariposa Lily (3)
Calochortus elegans
Fairy Slipper (1)
Calypso bulbosa
Heartleaf Arnica (1)
Arnica cordifolia
Larch Suillus (1)
Suillus clintonianus
Large-flower Yellow Fawnlily (2)
Erythronium grandiflorum
Linearleaf Phacelia (2)
Phacelia linearis
Mallow-leaf Ninebark (1)
Physocarpus malvaceus
Mountain Bluebird (1)
Sialia currucoides
Mountain Lady's-slipper (1)
Cypripedium montanum
Narrowleaf Collomia (1)
Collomia linearis
Nodding Onion (1)
Allium cernuum
Northern Bedstraw (1)
Galium boreale
Oregon Bitterroot (2)
Lewisia rediviva
Oval-leaf Buckwheat (2)
Eriogonum ovalifolium
Oxeye Daisy (3)
Leucanthemum vulgare
Red Clover (2)
Trifolium pratense
Red-tailed Hawk (2)
Buteo jamaicensis
Rocky Mountain Woodsia (1)
Woodsia scopulina
Sagebrush Buttercup (1)
Ranunculus glaberrimus
Saskatoon (2)
Amelanchier alnifolia
Scarlet Skyrocket (1)
Ipomopsis aggregata
Silvery Ragwort (1)
Packera cana
Snowshoe Hare (1)
Lepus americanus
Solomon's-plume (2)
Maianthemum racemosum
Streambank Globemallow (1)
Iliamna rivularis
Striped Coralroot (1)
Corallorhiza striata
Sulphur-flower Buckwheat (2)
Eriogonum umbellatum
Sweetclover (1)
Melilotus officinalis
Tobacco Ceanothus (1)
Ceanothus velutinus
Twinflower (1)
Linnaea borealis
Twoleaf Beardtongue (1)
Penstemon diphyllus
Utah Honeysuckle (1)
Lonicera utahensis
Virgate Scorpionweed (1)
Phacelia heterophylla
Water Puffball (1)
Lycoperdon perlatum
Western Gromwell (1)
Lithospermum ruderale
White-tailed Deer (2)
Odocoileus virginianus
Wilcox's Beardtongue (3)
Penstemon wilcoxii
Wild Turkey (2)
Meleagris gallopavo
Woodland Strawberry (1)
Fragaria vesca
Woods' Rose (1)
Rosa woodsii
Yellow Missionbells (1)
Fritillaria pudica
Federally Listed Species (7)

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
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 (10)

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
Lewis's Woodpecker
Melanerpes lewis
Olive-sided Flycatcher
Contopus cooperi
Rufous Hummingbird
Selasphorus rufus
Western Grebe
Aechmophorus occidentalis
Migratory Birds of Conservation Concern (10)

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
Lewis's Woodpecker
Melanerpes lewis
Olive-sided Flycatcher
Contopus cooperi
Rufous Hummingbird
Selasphorus rufus
Western Grebe
Aechmophorus occidentalis
Vegetation (9)

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

Southern Rockies Mixed Conifer Forest
Tree / Conifer · 2,586 ha
GNR39.5%
Rocky Mountain Lodgepole Pine Forest
Tree / Conifer · 1,311 ha
GNR20.0%
GNR18.3%
GNR7.8%
Northern Rockies Subalpine Shrubland
Shrub / Shrubland · 309 ha
GNR4.7%
Southern Rockies Mixed Conifer Forest
Tree / Conifer · 213 ha
GNR3.3%
Northern Rockies Foothill Shrubland
Shrub / Shrubland · 129 ha
GNR2.0%
GNR1.9%
GNR1.3%

Petty Mountain

Petty Mountain Roadless Area

Lolo National Forest, Montana · 16,178 acres