Mt. Thielsen

Winema National Forest · Oregon · 1,153 acres · RoadlessArea Rule (2001)
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Observed Species (160)

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

Oregon Spotted Frog (1)
Rana pretiosaThreatened
Whitebark Pine (4)
Pinus albicaulisThreatened
(1)
Cortinarius ominosus
(2)
Boechera lemmonii
(1)
Misumenini
(1)
Arrhenia rainierensis
Alpine Bittercress (3)
Cardamine bellidifolia
Alpine Bitterroot (2)
Lewisia pygmaea
Alpine Blueberry (1)
Vaccinium uliginosum
Alpine Bog Laurel (2)
Kalmia microphylla
Alpine Speedwell (2)
Veronica wormskjoldii
Alpine Springbeauty (1)
Claytonia megarhiza
Alternating Pelt Lichen (1)
Peltigera didactyla
American Black Bear (3)
Ursus americanus
American Mistletoe (1)
Arceuthobium americanum
American Pika (1)
Ochotona princeps
American Pinesap (7)
Monotropa hypopitys
American Robin (1)
Turdus migratorius
Antelope Bitterbrush (2)
Purshia tridentata
Austria Timmia Moss (1)
Timmia austriaca
Ball-head Standing-cypress (4)
Ipomopsis congesta
Baltic Rush (1)
Juncus balticus
Barrow's Goldeneye (3)
Bucephala islandica
Bifid Crestwort (1)
Lophocolea bidentata
Bloomer's Goldenweed (1)
Ericameria bloomeri
Blunt Pincerwort (1)
Fuscocephaloziopsis pleniceps
Bottlebrush Squirrel-tail (1)
Elymus elymoides
Bristly Black Currant (1)
Ribes lacustre
Brook Trout (15)
Salvelinus fontinalis
Brown Goblet (1)
Arrhenia epichysium
Brown Peatmoss (1)
Sphagnum fuscum
Brown Pussytoes (2)
Antennaria umbrinella
Brown Trout (1)
Salmo trutta
Brown-eyed Wolf Lichen (2)
Letharia columbiana
Bubble Gum Fungus (2)
Pholiota nubigena
Canada Goose (1)
Branta canadensis
Cascades Frog (1)
Rana cascadae
Clark's Nutcracker (2)
Nucifraga columbiana
Clasping Twisted-stalk (1)
Streptopus amplexifolius
Cliff Beardtongue (7)
Penstemon rupicola
Coast Range Lomatium (2)
Lomatium martindalei
Cobwebby Indian-paintbrush (4)
Castilleja arachnoidea
Common Merganser (2)
Mergus merganser
Common Wintergreen (1)
Chimaphila umbellata
Coyote (1)
Canis latrans
Cream Stonecrop (1)
Sedum oregonense
Creeping Beardtongue (11)
Penstemon davidsonii
Davis' knotweed (6)
Koenigia davisiae
Devil's Matchstick (1)
Pilophorus acicularis
Douglas' Spiraea (1)
Spiraea douglasii
Douglas' Squirrel (2)
Tamiasciurus douglasii
Dwarf Hulsea (11)
Hulsea nana
Dwarf Mountain Fleabane (1)
Erigeron compositus
Fan Pelt Lichen (1)
Peltigera venosa
Field Horsetail (1)
Equisetum arvense
Fireweed (6)
Chamaenerion angustifolium
Fringed Grass-of-Parnassus (1)
Parnassia fimbriata
Fuller's Teasel (1)
Dipsacus fullonum
Gassy Webcap (1)
Cortinarius traganus
Giant Pinedrops (5)
Pterospora andromedea
Giant Rattlesnake-plantain (1)
Goodyera oblongifolia
Gnome-plant (4)
Hemitomes congestum
Golden Chinquapin (1)
Chrysolepis chrysophylla
Golden-mantled Ground Squirrel (1)
Callospermophilus lateralis
Gray Starburst Lichen (1)
Parmeliopsis hyperopta
Gray-crowned Rosy-Finch (1)
Leucosticte tephrocotis
Green Spur Moss (1)
Oncophorus virens
Green Starburst Lichen (1)
Parmeliopsis ambigua
Greene's Goldenweed (2)
Ericameria greenei
Greenleaf Manzanita (2)
Arctostaphylos patula
Grouseberry (5)
Vaccinium scoparium
Hooded Ladies'-tresses (1)
Spiranthes romanzoffiana
Hyaline Liverwort (1)
Clevea hyalina
Lace Lipfern (1)
Myriopteris gracillima
Large-flower Wire-lettuce (1)
Stephanomeria lactucina
Largeleaf Sandwort (1)
Moehringia macrophylla
Lesser Featherwort (1)
Plagiochila porelloides
Lewis' Monkeyflower (2)
Erythranthe lewisii
Lodgepole Pine (12)
Pinus contorta
Mahala-mat Ceanothus (4)
Ceanothus prostratus
Miller Lake Lamprey (1)
Entosphenus minimus
Mountain Candlewax Lichen (2)
Ahtiana sphaerosporella
Mountain Hemlock (4)
Tsuga mertensiana
Mt. Hood Pussy-paws (3)
Calyptridium umbellatum
Noble Fir (1)
Abies procera
Northern Flicker (1)
Colaptes auratus
Oceanspray (3)
Holodiscus discolor
One-sided Wintergreen (1)
Orthilia secunda
Orange Moss Agaric (1)
Rickenella fibula
Orange Sponge Polypore (1)
Pycnoporellus alboluteus
Pacific Bleedingheart (3)
Dicentra formosa
Pacific Marten (1)
Martes caurina
Pacific Treefrog (3)
Pseudacris regilla
Pine Spike (1)
Chroogomphus vinicolor
Pine Violet (1)
Viola purpurea
Pinemat Manzanita (1)
Arctostaphylos nevadensis
Pink Mountain-heath (2)
Phyllodoce empetriformis
Plums and Custard (1)
Tricholomopsis rutilans
Ponderosa Pine (8)
Pinus ponderosa
Prairie Lupine (1)
Lupinus lepidus
Primrose Monkeyflower (1)
Erythranthe primuloides
Pygmy Short-horned Lizard (1)
Phrynosoma douglasii
Pyrola-leaf Buckwheat (2)
Eriogonum pyrolifolium
Rainbow Trout or Steelhead (3)
Oncorhynchus mykiss
Ribbed Bog Moss (1)
Aulacomnium palustre
Rocky Mountain Pussytoes (1)
Antennaria media
Sandhill Crane (1)
Antigone canadensis
Savannah Sparrow (1)
Passerculus sandwichensis
Scaly Hedgehog (1)
Sarcodon imbricatus
Segmented Luetkea (10)
Luetkea pectinata
Shaggy Peatmoss (1)
Sphagnum squarrosum
Showy Jacob's-ladder (4)
Polemonium pulcherrimum
Silky Raillardella (1)
Raillardella argentea
Silverleaf Scorpionweed (2)
Phacelia hastata
Spiny Witch's Hair Lichen (1)
Alectoria imshaugii
Square-twigged Huckleberry (1)
Vaccinium membranaceum
Subalpine Fir (1)
Abies lasiocarpa
Sugar Pine (5)
Pinus lambertiana
Sugarstick (10)
Allotropa virgata
Three-ranked Thread Moss (1)
Meesia triquetra
Three-stamen Rush (1)
Juncus ensifolius
Tiling's Monkeyflower (1)
Erythranthe tilingii
Tobacco Ceanothus (1)
Ceanothus velutinus
Tomentose Suillus (1)
Suillus tomentosus
Toothed Wintergreen (1)
Pyrola dentata
Truncate Club Coral Fungus (1)
Clavariadelphus truncatus
Tufted Foxtail Lichen (1)
Nodobryoria abbreviata
Veiled Polypore (1)
Cryptoporus volvatus
Waisted Waxcap (3)
Hygrocybe substrangulata
Wavyleaf Indian-paintbrush (4)
Castilleja applegatei
Wax Currant (1)
Ribes cereum
Western Pasqueflower (1)
Pulsatilla occidentalis
Western Toad (7)
Anaxyrus boreas
Williamson's Sapsucker (1)
Sphyrapicus thyroideus
Wolf Lichen (2)
Letharia vulpina
Woolly Hawkweed (1)
Hieracium triste
Yellow-pine Chipmunk (1)
Neotamias amoenus
a bolete fungus (4)
Boletus subalpinus
a fungus (1)
Cortinarius clandestinus
a fungus (1)
Inocybe leptophylla
a fungus (5)
Hygrophorus goetzei
a fungus (1)
Cantharocybe gruberi
a fungus (2)
Caloscypha fulgens
a fungus (1)
Cortinarius eldoradoensis
a fungus (2)
Cortinarius pinguis
a fungus (1)
Climacocystis borealis
a fungus (1)
Hygrophorus boyeri
a fungus (1)
Polyozellus atrolazulinus
a fungus (1)
Hydnellum mirabile
a fungus (1)
Gastroboletus vividus
a fungus (1)
Rickenella mellea
a fungus (1)
Russula albonigra
a fungus (1)
Russula fragrantissima
a fungus (1)
Gastroboletus turbinatus
a fungus (1)
Stropharia hornemannii
a fungus (2)
Suillus flavidus
a fungus (1)
Clitocybe glacialis
a fungus (3)
Tricholoma murrillianum
a liverwort (1)
Rivulariella gemmipara
a peatmoss (1)
Sphagnum miyabeanum
Federally Listed Species (11)

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.

Lost River Sucker
Deltistes luxatusEndangered
Northern Spotted Owl
Strix occidentalis caurinaThreatened
Shortnose Sucker
Chasmistes brevirostrisEndangered
Whitebark Pine
Pinus albicaulisThreatened
California Condor
Gymnogyps californianusE, XN
Gray Wolf
Canis lupus
Monarch
Danaus plexippusProposed Threatened
North American Wolverine
Gulo gulo luscus
Northwestern Pond Turtle
Actinemys marmorataProposed Threatened
Suckley's Cuckoo Bumble Bee
Bombus suckleyiProposed Endangered
Yellow-billed Cuckoo
Coccyzus americanus
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
Black Swift
Cypseloides niger
California Gull
Larus californicus
Cassin's Finch
Haemorhous cassinii
Chestnut-backed Chickadee
Poecile rufescens rufescens
Clark's Grebe
Aechmophorus clarkii
Evening Grosbeak
Coccothraustes vespertinus
Golden Eagle
Aquila chrysaetos
Lewis's Woodpecker
Melanerpes lewis
Northern Harrier
Circus hudsonius
Olive-sided Flycatcher
Contopus cooperi
Rufous Hummingbird
Selasphorus rufus
Western Grebe
Aechmophorus occidentalis
Migratory Birds of Conservation Concern (12)

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 Swift
Cypseloides niger
California Gull
Larus californicus
Cassin's Finch
Haemorhous cassinii
Chestnut-backed Chickadee
Poecile rufescens
Clark's Grebe
Aechmophorus clarkii
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 (5)

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

California Red Fir Forest
Tree / Conifer · 299 ha
GNR64.1%
GNR18.3%
Pacific Northwest Mountain Cliff and Talus
Sparse / Sparsely Vegetated · 34 ha
GNR7.3%
Sierra Nevada Lodgepole Pine Forest
Tree / Conifer · 28 ha
GNR6.1%
Great Basin Big Sagebrush Shrubland
Shrub / Shrubland · 1 ha
G30.3%

Mt. Thielsen

Mt. Thielsen Roadless Area

Winema National Forest, Oregon · 1,153 acres