Holter

Helena National Forest · Montana · 1,965 acres · RoadlessArea Rule (2001)
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Observed Species (140)

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

American Avocet (1)
Recurvirostra americana
American Beaver (1)
Castor canadensis
American Black Bear (1)
Ursus americanus
American Coot (2)
Fulica americana
American Kestrel (1)
Falco sparverius
American Pasqueflower (2)
Pulsatilla nuttalliana
American White Pelican (6)
Pelecanus erythrorhynchos
Antelope Bitterbrush (2)
Purshia tridentata
Arctic Sweet-colt's-foot (1)
Petasites frigidus
Arrowleaf Balsamroot (1)
Balsamorhiza sagittata
Bald Eagle (19)
Haliaeetus leucocephalusDL
Barrow's Goldeneye (1)
Bucephala islandica
Belted Kingfisher (1)
Megaceryle alcyon
Big Sagebrush (1)
Artemisia tridentata
Bighorn Sheep (4)
Ovis canadensis
Black-billed Magpie (2)
Pica hudsonia
Black-tailed Prairie Dog (1)
Cynomys ludovicianus
Bluebunch Wheatgrass (1)
Pseudoroegneria spicata
Brown-headed Cowbird (1)
Molothrus ater
Bull Thistle (1)
Cirsium vulgare
California Gull (1)
Larus californicus
Canada Buffaloberry (1)
Shepherdia canadensis
Canada Goose (2)
Branta canadensis
Cassin's Vireo (1)
Vireo cassinii
Cedar Waxwing (3)
Bombycilla cedrorum
Cheatgrass (1)
Bromus tectorum
Chipping Sparrow (1)
Spizella passerina
Choke Cherry (2)
Prunus virginiana
Cliff Swallow (1)
Petrochelidon pyrrhonota
Climbing Nightshade (2)
Solanum dulcamara
Common Clammyweed (2)
Polanisia dodecandra
Common Loon (2)
Gavia immer
Common Merganser (3)
Mergus merganser
Common Mullein (5)
Verbascum thapsus
Common Nighthawk (1)
Chordeiles minor
Common Sunflower (1)
Helianthus annuus
Common Yarrow (1)
Achillea millefolium
Creeping Oregon-grape (2)
Berberis repens
Crested-tongue Beardtongue (2)
Penstemon eriantherus
Curly-cup Gumweed (2)
Grindelia squarrosa
Dalmatian Toadflax (2)
Linaria dalmatica
Davis Mountain Stickseed (1)
Hackelia floribunda
Dense Spikemoss (2)
Selaginella densa
Desert Alyssum (1)
Alyssum desertorum
Dotted Gayfeather (3)
Liatris punctata
Double-crested Cormorant (1)
Nannopterum auritum
Douglas-fir (1)
Pseudotsuga menziesii
Downy Woodpecker (1)
Dryobates pubescens
Eared Grebe (1)
Podiceps nigricollis
Eastern Kingbird (1)
Tyrannus tyrannus
Fragrant Sumac (1)
Rhus aromatica
Golden Currant (3)
Ribes aureum
Golden Eagle (1)
Aquila chrysaetos
Golden-Hardhack (1)
Dasiphora fruticosa
Goldenrod Crab Spider (1)
Misumena vatia
Gophersnake (1)
Pituophis catenifer
Great Blanket-flower (4)
Gaillardia aristata
Green Milkweed (2)
Asclepias viridiflora
Ground-plum (2)
Astragalus crassicarpus
Hairy False Goldenaster (1)
Heterotheca villosa
Hoary False Alyssum (4)
Berteroa incana
Hoary Tansy-aster (1)
Dieteria canescens
House Finch (1)
Haemorhous mexicanus
Japanese Brome (1)
Bromus japonicus
Lanceleaf Stonecrop (1)
Sedum lanceolatum
Large Indian Breadroot (1)
Pediomelum esculentum
Lark Sparrow (1)
Chondestes grammacus
Lewis' Mock Orange (5)
Philadelphus lewisii
Long-tailed Duck (2)
Clangula hyemalis
Mallow-leaf Ninebark (1)
Physocarpus malvaceus
Meadow Goat's-beard (1)
Tragopogon dubius
Missouri Foxtail Cactus (2)
Escobaria missouriensis
Mountain Chickadee (1)
Poecile gambeli
Mountain Maple (4)
Acer glabrum
Mule Deer (8)
Odocoileus hemionus
Narrowleaf Puccoon (1)
Lithospermum incisum
Narrowleaf Umbrella-wort (1)
Mirabilis linearis
Nodding Onion (3)
Allium cernuum
Nodding Thistle (1)
Cirsium undulatum
North American River Otter (1)
Lontra canadensis
Northern Flicker (1)
Colaptes auratus
Northern Harrier (1)
Circus hudsonius
Northern Poison-oak (1)
Toxicodendron rydbergii
One-flower Kelseya (13)
Kelseya uniflora
Oregon Bitterroot (2)
Lewisia rediviva
Osprey (8)
Pandion haliaetus
Panhandle Prickly-pear (2)
Opuntia polyacantha
Pin Clover (1)
Erodium cicutarium
Pine Siskin (2)
Spinus pinus
Prairie Sagebrush (1)
Artemisia frigida
Prairie-smoke (1)
Geum triflorum
Purple Clematis (1)
Clematis occidentalis
Purple Prairie-clover (1)
Dalea purpurea
Red Globemallow (2)
Sphaeralcea coccinea
Red-naped Sapsucker (1)
Sphyrapicus nuchalis
Red-tailed Hawk (3)
Buteo jamaicensis
Red-throated Loon (1)
Gavia stellata
Ring-billed Gull (3)
Larus delawarensis
Rock Pigeon (1)
Columba livia
Rocky Mountain Juniper (1)
Juniperus scopulorum
Rose Chamaerhodos (1)
Chamaerhodos erecta
Roundleaf Thermopsis (1)
Thermopsis rhombifolia
Rubber Rabbitbrush (2)
Ericameria nauseosa
Ruffed Grouse (2)
Bonasa umbellus
Shaggy Dwarf Morning-glory (3)
Evolvulus nuttallianus
Skunkbush (1)
Rhus trilobata
Snowberry (2)
Symphoricarpos albus
Solomon's-plume (1)
Maianthemum racemosum
Song Sparrow (1)
Melospiza melodia
Spotted Sandpiper (1)
Actitis macularius
Spotted Towhee (1)
Pipilo maculatus
Spreading Dogbane (1)
Apocynum androsaemifolium
Sticky Geranium (2)
Geranium viscosissimum
Stiff Yellow Indian-paintbrush (1)
Castilleja lutescens
Surf Scoter (1)
Melanitta perspicillata
Sweetclover (1)
Melilotus officinalis
Tall Baby's-breath (1)
Gypsophila paniculata
Tatarian Honeysuckle (1)
Lonicera tatarica
Ten-petal Stickleaf (2)
Mentzelia decapetala
Terrestrial Gartersnake (4)
Thamnophis elegans
Turkey Vulture (6)
Cathartes aura
Two-form Pussytoes (1)
Antennaria dimorpha
Upright Prairie Coneflower (1)
Ratibida columnifera
Virginia Strawberry (1)
Fragaria virginiana
Wax Currant (1)
Ribes cereum
Western Gromwell (1)
Lithospermum ruderale
Western Kingbird (1)
Tyrannus verticalis
Western Meadowlark (1)
Sturnella neglecta
Western Tanager (3)
Piranga ludoviciana
Western Toad (2)
Anaxyrus boreas
Western Virgin's-bower (1)
Clematis ligusticifolia
Western Wood-Pewee (2)
Contopus sordidulus
White Prairie-clover (1)
Dalea candida
White Sagebrush (1)
Artemisia ludoviciana
Wild Bergamot (3)
Monarda fistulosa
Wild Licorice (2)
Glycyrrhiza lepidota
Woods' Rose (1)
Rosa woodsii
Yellow Avens (1)
Geum aleppicum
Yellow Sweet-vetch (1)
Hedysarum sulphurescens
Yellow-breasted Chat (1)
Icteria virens
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.

Pallid Sturgeon
Scaphirhynchus albusEndangered
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 (13)

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

Bald Eagle
Haliaeetus leucocephalus
California Gull
Larus californicus
Calliope Hummingbird
Selasphorus calliope
Cassin's Finch
Haemorhous cassinii
Evening Grosbeak
Coccothraustes vespertinus
Franklin's Gull
Leucophaeus pipixcan
Golden Eagle
Aquila chrysaetos
Lesser Yellowlegs
Tringa flavipes
Lewis's Woodpecker
Melanerpes lewis
Olive-sided Flycatcher
Contopus cooperi
Pinyon Jay
Gymnorhinus cyanocephalus
Rufous Hummingbird
Selasphorus rufus
Western Grebe
Aechmophorus occidentalis
Migratory Birds of Conservation Concern (13)

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
California Gull
Larus californicus
Calliope Hummingbird
Selasphorus calliope
Cassin's Finch
Haemorhous cassinii
Evening Grosbeak
Coccothraustes vespertinus
Franklin's Gull
Leucophaeus pipixcan
Golden Eagle
Aquila chrysaetos
Lesser Yellowlegs
Tringa flavipes
Lewis's Woodpecker
Melanerpes lewis
Olive-sided Flycatcher
Contopus cooperi
Pinyon Jay
Gymnorhinus cyanocephalus
Rufous Hummingbird
Selasphorus rufus
Western Grebe
Aechmophorus occidentalis
Vegetation (9)

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

GNR39.9%
Great Basin Big Sagebrush Steppe
Shrub / Shrubland · 124 ha
GNR15.5%
Northern Great Plains Shrubland
Shrub / Shrubland · 85 ha
GNR10.7%
Intermountain Mountain Sagebrush Steppe
Shrub / Shrubland · 39 ha
GNR4.9%
Central Rockies Douglas-fir Forest
Tree / Conifer · 38 ha
GNR4.8%
GNR4.2%
Western Great Plains Cliff and Outcrop
Sparse / Sparsely Vegetated · 33 ha
4.2%
Northern Rockies Foothill Shrubland
Shrub / Shrubland · 27 ha
GNR3.5%
GNR2.6%

Holter

Holter Roadless Area

Helena National Forest, Montana · 1,965 acres