Line Creek Plateau

Custer National Forest · Montana · 24,825 acres · RoadlessArea Rule (2001)
Take Action Now
Learn How You Can Help
Click map to expand
Observed Species (335)

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

Whitebark Pine (8)
Pinus albicaulisThreatened
(10)
Eritrichium argenteum
(1)
Boechera lyallii
(3)
Anticlea elegans
(1)
Puccinia consimilis
(22)
Campanula petiolata
(1)
Caltha chionophila
Alpine Bitterroot (7)
Lewisia pygmaea
Alpine Bog Laurel (3)
Kalmia microphylla
Alpine Goldenrod (1)
Solidago multiradiata
Alpine Hulsea (5)
Hulsea algida
Alpine Mountain-sorrel (4)
Oxyria digyna
Alpine Sagebrush (1)
Artemisia scopulorum
Alpine Smelowskia (5)
Smelowskia americana
Alpine Speedwell (1)
Veronica wormskjoldii
Alpine Springbeauty (1)
Claytonia megarhiza
Alpine Willow (1)
Salix petrophila
Alsike Clover (1)
Trifolium hybridum
American Bistort (16)
Bistorta bistortoides
American Black Bear (5)
Ursus americanus
American Dipper (4)
Cinclus mexicanus
American Dragonhead (2)
Dracocephalum parviflorum
American Goshawk (2)
Astur atricapillus
American Kestrel (2)
Falco sparverius
American Pasqueflower (16)
Pulsatilla nuttalliana
American Pika (13)
Ochotona princeps
American Pinesap (2)
Monotropa hypopitys
American Pipit (2)
Anthus rubescens
American Robin (3)
Turdus migratorius
American Thorowax (4)
Bupleurum americanum
American Yellow Lady's-slipper (1)
Cypripedium parviflorum
Aromatic Pussytoes (1)
Antennaria aromatica
Arrow-leaf Groundsel (1)
Senecio triangularis
Arrowleaf Balsamroot (4)
Balsamorhiza sagittata
Aspen Roughstem (1)
Leccinum insigne
Balsam Poplar (1)
Populus balsamifera
Bearberry (12)
Arctostaphylos uva-ursi
Bebb's Willow (1)
Salix bebbiana
Bessey's Locoweed (19)
Oxytropis besseyi
Big Sagebrush (7)
Artemisia tridentata
Black Rosy-Finch (2)
Leucosticte atrata
Black-billed Magpie (1)
Pica hudsonia
Black-capped Chickadee (1)
Poecile atricapillus
Black-headed Grosbeak (1)
Pheucticus melanocephalus
Blackmarked Jumping Spider (2)
Dendryphantes nigromaculatus
Bladder Campion (9)
Silene latifolia
Bluebunch Wheatgrass (1)
Pseudoroegneria spicata
Blueleaf Cinquefoil (4)
Potentilla glaucophylla
Bordered Orbweaver (1)
Larinioides patagiatus
Boreal Jumping Spider (1)
Phidippus borealis
Branched Cinquefoil (2)
Potentilla effusa
Brewer's Sparrow (1)
Spizella breweri
Bristly Black Currant (1)
Ribes lacustre
Broad-tailed Hummingbird (5)
Selasphorus platycercus
Bronze Jumping Spider (1)
Eris militaris
Brook Trout (2)
Salvelinus fontinalis
Brown Bear (1)
Ursus arctos
Brown Pussytoes (4)
Antennaria umbrinella
Bull Elephant's-head (7)
Pedicularis groenlandica
Bull Thistle (1)
Cirsium vulgare
Butter-and-eggs (1)
Linaria vulgaris
Canada Buffaloberry (20)
Shepherdia canadensis
Canadian Gooseberry (3)
Ribes oxyacanthoides
Chickpea Milkvetch (1)
Astragalus cicer
Chipping Sparrow (4)
Spizella passerina
Choke Cherry (4)
Prunus virginiana
Clark's Nutcracker (21)
Nucifraga columbiana
Clasping Twisted-stalk (2)
Streptopus amplexifolius
Cock's-comb Cat's-eye (2)
Oreocarya glomerata
Common Dandelion (1)
Taraxacum officinale
Common Hound's-tongue (2)
Cynoglossum officinale
Common Monkeyflower (1)
Erythranthe guttata
Common Mullein (4)
Verbascum thapsus
Common Raven (1)
Corvus corax
Common Wintergreen (1)
Chimaphila umbellata
Common Yarrow (15)
Achillea millefolium
Cooper's Hawk (1)
Astur cooperii
Cordroot Beardtongue (1)
Penstemon montanus
Cous-root Desert-parsley (4)
Lomatium cous
Cow-parsnip (6)
Heracleum maximum
Creeping Juniper (3)
Juniperus horizontalis
Creeping Oregon-grape (5)
Berberis repens
Creeping Oreocarya (5)
Oreocarya sobolifera
Creeping Thistle (1)
Cirsium arvense
Crested-tongue Beardtongue (6)
Penstemon eriantherus
Curveseed Butterwort (1)
Ceratocephala testiculata
Cushion Phlox (2)
Phlox pulvinata
Cutleaf Anemone (3)
Anemone multifida
Dark-eyed Junco (4)
Junco hyemalis
Dense Spikemoss (1)
Selaginella densa
Diamondleaf Saxifrage (1)
Micranthes rhomboidea
Douglas-fir (10)
Pseudotsuga menziesii
Drummond's Thistle (3)
Cirsium scariosum
Dusky Grouse (1)
Dendragapus obscurus
Dwarf Clover (4)
Trifolium nanum
Dwarf Mountain Fleabane (5)
Erigeron compositus
Early Cinquefoil (1)
Potentilla concinna
Eastern Warbling-Vireo (2)
Vireo gilvus
Elegant Sunburst Lichen (3)
Rusavskia elegans
Engelmann Spruce (5)
Picea engelmannii
Entireleaf Stonecrop (3)
Rhodiola integrifolia
Fairy Slipper (5)
Calypso bulbosa
False Rock-loving Wood Beauty (2)
Drymocallis pseudorupestris
Felwort (1)
Swertia perennis
Fernleaf Lousewort (11)
Pedicularis cystopteridifolia
Fescue Sandwort (1)
Eremogone capillaris
Few-flower Shootingstar (3)
Primula pauciflora
Few-flowered Oatgrass (1)
Danthonia unispicata
Few-seeded Whitlow-grass (2)
Draba oligosperma
Field Chickweed (2)
Cerastium arvense
Field Horsetail (2)
Equisetum arvense
Field Pennycress (4)
Thlaspi arvense
Fierce Orbweaver (3)
Araneus saevus
Fire-wheel Blanket-flower (1)
Gaillardia pulchella
Fireweed (41)
Chamaenerion angustifolium
Flat-head Larkspur (3)
Delphinium bicolor
Foxtail Barley (2)
Hordeum jubatum
Fragile Fern (2)
Cystopteris fragilis
Giant Pinedrops (18)
Pterospora andromedea
Giant Rattlesnake-plantain (3)
Goodyera oblongifolia
Golden Corydalis (1)
Corydalis aurea
Golden Eagle (1)
Aquila chrysaetos
Golden-Hardhack (19)
Dasiphora fruticosa
Golden-mantled Ground Squirrel (99)
Callospermophilus lateralis
Goldenrod Crab Spider (8)
Misumena vatia
Graceful Cinquefoil (2)
Potentilla gracilis
Gray Willow (1)
Salix glauca
Great Blanket-flower (26)
Gaillardia aristata
Green-flower Wintergreen (4)
Pyrola chlorantha
Ground Juniper (17)
Juniperus communis
Grouseberry (1)
Vaccinium scoparium
Gunnison's Mariposa Lily (18)
Calochortus gunnisonii
Hairy Arnica (1)
Arnica mollis
Hairy Evening-primrose (1)
Oenothera villosa
Hairy Woodpecker (2)
Leuconotopicus villosus
Hammond's Flycatcher (1)
Empidonax hammondii
Hare's-foot Point-vetch (6)
Oxytropis lagopus
Hayden's Clover (3)
Trifolium haydenii
Heartleaf Arnica (9)
Arnica cordifolia
Hispid goldenaster (1)
Heterotheca hispida
Hoary Balsamroot (1)
Balsamorhiza incana
Hoary Pincushion (5)
Chaenactis douglasii
Hood's Phlox (3)
Phlox hoodii
Hooded Ladies'-tresses (1)
Spiranthes romanzoffiana
Hooker's Mountain-avens (4)
Dryas hookeriana
Horned Lark (2)
Eremophila alpestris
House Finch (1)
Haemorhous mexicanus
Idaho Fescue (2)
Festuca idahoensis
Indian Milkvetch (1)
Astragalus australis
Johnson's Tufted Jumping Spider (2)
Phidippus johnsoni
King Bolete (1)
Boletus edulis
Lanceleaf Stonecrop (46)
Sedum lanceolatum
Lapland Jumping Spider (1)
Pellenes lapponicus
Leafy-bracted Aster (1)
Symphyotrichum foliaceum
Least Chipmunk (9)
Neotamias minimus
Lesser Salted Rocktripe Lichen (1)
Umbilicaria krascheninnikovii
Lewis' Monkeyflower (10)
Erythranthe lewisii
Limber Pine (9)
Pinus flexilis
Lincoln's Sparrow (1)
Melospiza lincolnii
Little-seed False Flax (1)
Camelina microcarpa
Lodgepole Pine (16)
Pinus contorta
Maiden Pink (1)
Dianthus deltoides
Maiden's-tears (11)
Silene vulgaris
Mallard (3)
Anas platyrhynchos
Mallow-leaf Ninebark (4)
Physocarpus malvaceus
Many-flowered Phlox (1)
Phlox multiflora
Meadow Deathcamas (4)
Toxicoscordion venenosum
Meadow Goat's-beard (3)
Tragopogon dubius
Meadow Timothy (1)
Phleum pratense
Mertens' Coralroot (1)
Corallorhiza mertensiana
Mertens' Rush (2)
Juncus mertensianus
Michaux's Wormwood (1)
Artemisia michauxiana
Moose (12)
Alces alces
Moss Campion (7)
Silene acaulis
Mountain Bluebird (5)
Sialia currucoides
Mountain Chickadee (5)
Poecile gambeli
Mountain Douglasia (4)
Androsace montana
Mountain Maple (1)
Acer glabrum
Mule Deer (5)
Odocoileus hemionus
Narrowleaf Collomia (2)
Collomia linearis
Nipple-seed Plantain (1)
Plantago major
Nodding Onion (8)
Allium cernuum
North American Red Squirrel (15)
Tamiasciurus hudsonicus
Northern Bedstraw (5)
Galium boreale
Northern Gentian (2)
Gentianella amarella
Northern House Wren (1)
Troglodytes aedon
Nuttall's Mariposa Lily (1)
Calochortus nuttallii
Nuttall's Pussytoes (1)
Antennaria parvifolia
Oeder's Lousewort (3)
Pedicularis oederi
One-flower Kelseya (3)
Kelseya uniflora
One-sided Wintergreen (2)
Orthilia secunda
Oregon Bitterroot (7)
Lewisia rediviva
Oval-leaf Buckwheat (3)
Eriogonum ovalifolium
Oxeye Daisy (1)
Leucanthemum vulgare
Pacific Marten (1)
Martes caurina
Panhandle Prickly-pear (1)
Opuntia polyacantha
Parry's Clover (1)
Trifolium parryi
Parry's Townsend-daisy (2)
Townsendia parryi
Pearly Everlasting (10)
Anaphalis margaritacea
Pendant-pod Point-vetch (4)
Oxytropis deflexa
Pine Grosbeak (1)
Pinicola enucleator
Pine Siskin (5)
Spinus pinus
Pineapple-weed Chamomile (2)
Matricaria discoidea
Pink Mountain-heath (1)
Phyllodoce empetriformis
Pink Wintergreen (3)
Pyrola asarifolia
Plums and Custard (1)
Tricholomopsis rutilans
Poker Alumroot (4)
Heuchera cylindrica
Poplar Milkcap (1)
Lactarius controversus
Powdered Sunshine Lichen (1)
Vulpicida pinastri
Prairie Agoseris (8)
Agoseris glauca
Prairie Bluebells (1)
Mertensia lanceolata
Prairie Falcon (2)
Falco mexicanus
Prairie Flax (1)
Linum lewisii
Prairie Gentian (2)
Gentiana affinis
Prairie Sagebrush (1)
Artemisia frigida
Prairie-smoke (13)
Geum triflorum
Pretty Milkvetch (1)
Astragalus eucosmus
Purple Clematis (3)
Clematis occidentalis
Purple Missionbells (2)
Fritillaria atropurpurea
Purple Mountain Saxifrage (2)
Saxifraga oppositifolia
Pygmy-flower Rock-jasmine (3)
Androsace septentrionalis
Quaking Aspen (9)
Populus tremuloides
Rainbow Trout or Steelhead (1)
Oncorhynchus mykiss
Red Baneberry (7)
Actaea rubra
Red Clover (2)
Trifolium pratense
Red Crossbill (3)
Loxia curvirostra
Red Elderberry (6)
Sambucus racemosa
Red Fox (4)
Vulpes vulpes
Red Globemallow (1)
Sphaeralcea coccinea
Red Raspberry (12)
Rubus idaeus
Red-breasted Nuthatch (2)
Sitta canadensis
Red-naped Sapsucker (1)
Sphyrapicus nuchalis
Red-pod Stonecrop (11)
Rhodiola rhodantha
Red-tailed Hawk (3)
Buteo jamaicensis
Richardson's Geranium (8)
Geranium richardsonii
River Beauty (1)
Chamaenerion latifolium
Rocky Mountain Beardtongue (23)
Penstemon strictus
Rocky Mountain Goat (11)
Oreamnos americanus
Rocky Mountain Juniper (1)
Juniperus scopulorum
Rocky Mountain Spikemoss (1)
Selaginella scopulorum
Ross' Avens (6)
Geum rossii
Rosy Pussytoes (4)
Antennaria rosea
Rough-fruit Mandarin (4)
Prosartes trachycarpa
Ruby-crowned Kinglet (4)
Corthylio calendula
Rufous Hummingbird (2)
Selasphorus rufus
Rydberg's Springbeauty (1)
Claytonia multiscapa
Sagebrush Bluebells (2)
Mertensia oblongifolia
Sagebrush Buttercup (3)
Ranunculus glaberrimus
Sand Violet (3)
Viola adunca
Saskatoon (2)
Amelanchier alnifolia
Self-heal (1)
Prunella vulgaris
Sheathed Cotton-grass (1)
Eriophorum callitrix
Sheep Sorrel (1)
Rumex acetosella
Showy Fleabane (1)
Erigeron speciosus
Showy Green-gentian (16)
Frasera speciosa
Showy Indian-paintbrush (2)
Castilleja pulchella
Shrubby Beardtongue (2)
Penstemon fruticosus
Silky Scorpionweed (1)
Phacelia sericea
Silverleaf Scorpionweed (10)
Phacelia hastata
Silvery Lupine (2)
Lupinus argenteus
Silvery Ragwort (4)
Packera cana
Skunk Polemonium (20)
Polemonium viscosum
Slender Leopardbane (1)
Arnica gracilis
Small-flower Beardtongue (14)
Penstemon procerus
Small-flower Blue-eyed Mary (1)
Collinsia parviflora
Snow Indian-paintbrush (4)
Castilleja nivea
Snow Willow (1)
Salix nivalis
Snowshoe Hare (4)
Lepus americanus
Soft Cinquefoil (1)
Potentilla pulcherrima
Solomon's-plume (2)
Maianthemum racemosum
Spatula-leaf Bladderpod (1)
Physaria spatulata
Spike Fescue (1)
Festuca kingii
Spiny Milkvetch (15)
Astragalus kentrophyta
Spotted Knapweed (3)
Centaurea stoebe
Spreading Dogbane (4)
Apocynum androsaemifolium
Spring-parsley (12)
Cymopterus hendersonii
Square-twigged Huckleberry (1)
Vaccinium membranaceum
Starflower Solomon's-plume (4)
Maianthemum stellatum
Sticky Geranium (23)
Geranium viscosissimum
Streambank Saxifrage (4)
Micranthes odontoloma
Streamside Bluebells (4)
Mertensia ciliata
Striped Coralroot (1)
Corallorhiza striata
Subalpine Fir (4)
Abies lasiocarpa
Subalpine Fleabane (1)
Erigeron glacialis
Sulphur-flower Buckwheat (23)
Eriogonum umbellatum
Swainson's Hawk (1)
Buteo swainsoni
Swamp Thread Moss (1)
Meesia uliginosa
Terrestrial Gartersnake (4)
Thamnophis elegans
Thimbleberry (2)
Rubus parviflorus
Timber Milkvetch (2)
Astragalus miser
Townsend's Solitaire (2)
Myadestes townsendi
Tufted Fleabane (2)
Erigeron caespitosus
Tweedy's Thistle (6)
Cirsium tweedyi
Uinta Chipmunk (55)
Neotamias umbrinus
Umbellate Bastard Toad-flax (3)
Comandra umbellata
Upright Prairie Coneflower (1)
Ratibida columnifera
Valley Violet (1)
Viola vallicola
Virginia Strawberry (8)
Fragaria virginiana
Viviparous Knotweed (4)
Bistorta vivipara
Wapiti (1)
Cervus canadensis
Watson's Spikemoss (3)
Selaginella watsonii
Wax Currant (11)
Ribes cereum
Western Gromwell (1)
Lithospermum ruderale
Western Tanager (1)
Piranga ludoviciana
Whip-root Clover (13)
Trifolium dasyphyllum
White Clover (3)
Trifolium repens
White Globe-flower (1)
Trollius albiflorus
White Point-vetch (3)
Oxytropis sericea
White Sagebrush (1)
Artemisia ludoviciana
White-crowned Sparrow (1)
Zonotrichia leucophrys
White-tailed Deer (4)
Odocoileus virginianus
Whitish Gentian (18)
Gentiana algida
Wild Bergamot (3)
Monarda fistulosa
Wolf Lichen (3)
Letharia vulpina
Wood Lily (5)
Lilium philadelphicum
Woods' Rose (1)
Rosa woodsii
Wyoming Indian-paintbrush (1)
Castilleja linariifolia
Yellow Buckwheat (10)
Eriogonum flavum
Yellow Columbine (6)
Aquilegia flavescens
Yellow Locoweed (1)
Oxytropis campestris
Yellow Missionbells (2)
Fritillaria pudica
Yellow Mountain-heath (3)
Phyllodoce glanduliflora
Yellow Sweet-vetch (3)
Hedysarum sulphurescens
Yellow-bellied Marmot (40)
Marmota flaviventris
Yellow-pine Chipmunk (1)
Neotamias amoenus
Yellow-rumped Warbler (2)
Setophaga coronata
Yellowstone Saxifrage (1)
Micranthes subapetala
a fungus (1)
Lactarius nanus
a fungus (1)
Phragmidium potentillae
a fungus (1)
Neolentinus ponderosus
a fungus (2)
Bryoglossum gracile
a jumping spider (1)
Pelegrina flavipes
a jumping spider (12)
Habronattus americanus
an amphipod (1)
Gammarus lacustris
common water-crowfoot (1)
Ranunculus aquatilis
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 (8)

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

Bald Eagle
Haliaeetus leucocephalus
Black Rosy-Finch
Leucosticte atrata
Broad-tailed Hummingbird
Selasphorus platycercus
Calliope Hummingbird
Selasphorus calliope
Cassin's Finch
Haemorhous cassinii
Golden Eagle
Aquila chrysaetos
Olive-sided Flycatcher
Contopus cooperi
Rufous Hummingbird
Selasphorus rufus
Migratory Birds of Conservation Concern (8)

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
Black Rosy-Finch
Leucosticte atrata
Broad-tailed Hummingbird
Selasphorus platycercus
Calliope Hummingbird
Selasphorus calliope
Cassin's Finch
Haemorhous cassinii
Golden Eagle
Aquila chrysaetos
Olive-sided Flycatcher
Contopus cooperi
Rufous Hummingbird
Selasphorus rufus
Vegetation (14)

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

Intermountain Mountain Sagebrush Steppe
Shrub / Shrubland · 2,149 ha
GNR21.4%
Rocky Mountain Cliff Canyon and Massive Bedrock
Sparse / Sparsely Vegetated · 1,401 ha
13.9%
GNR11.5%
GNR11.4%
Central Rockies Douglas-fir Forest
Tree / Conifer · 1,135 ha
GNR11.3%
Rocky Mountain Alpine Meadow
Herb / Grassland · 705 ha
GNR7.0%
Rocky Mountain Lodgepole Pine Forest
Tree / Conifer · 611 ha
GNR6.1%
Rocky Mountain Alpine Dwarf-Shrubland
Shrub / Shrubland · 502 ha
GNR5.0%
Rocky Mountain Subalpine Meadow
Herb / Grassland · 370 ha
GNR3.7%
Northern Rockies Subalpine Grassland
Herb / Grassland · 368 ha
GNR3.7%
Northern Rockies Foothill Shrubland
Shrub / Shrubland · 221 ha
GNR2.2%
GNR0.8%
Rocky Mountain Alpine Bedrock and Scree
Sparse / Sparsely Vegetated · 65 ha
0.6%
Northern Rockies Subalpine Shrubland
Shrub / Shrubland · 52 ha
GNR0.5%

Line Creek Plateau

Line Creek Plateau Roadless Area

Custer National Forest, Montana · 24,825 acres