Spencer Ridge

Gifford Pinchot National Forest · Washington · 5,880 acres · RoadlessArea Rule (2001)
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Observed Species (47)

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

(2)
Paraisaria cascadensis
Aleutian Maidenhair Fern (1)
Adiantum aleuticum
Angel Wings (1)
Pleurocybella porrigens
Brain Mushroom (2)
Gyromitra esculenta
Bull Thistle (1)
Cirsium vulgare
Cascades Frog (3)
Rana cascadae
Chinook Salmon (1)
Oncorhynchus tshawytscha
Common Speedwell (1)
Veronica officinalis
Dana Sheet-web Microweaver (1)
Microlinyphia dana
Douglas' Squirrel (1)
Tamiasciurus douglasii
Dyer's Polypore (1)
Phaeolus schweinitzii
Giant Pinedrops (1)
Pterospora andromedea
Lettuce Lichen (2)
Lobaria oregana
Lobster Mushroom (2)
Hypomyces lactifluorum
Noble Fir (1)
Abies procera
Oregon anemone (1)
Anemonoides oregana
Pacific Bananaslug (1)
Ariolimax columbianus
Pacific Dogwood (1)
Cornus nuttallii
Pacific Silver Fir (1)
Abies amabilis
Pacific Treefrog (1)
Pseudacris regilla
Rainbow Trout or Steelhead (1)
Oncorhynchus mykiss
Red Huckleberry (1)
Vaccinium parvifolium
Red-breasted Sapsucker (1)
Sphyrapicus ruber
Single-flowered Clintonia (1)
Clintonia uniflora
Solomon's-plume (1)
Maianthemum racemosum
Spreading Stonecrop (1)
Sedum divergens
Sunshine Amanita (2)
Amanita aprica
Vanilla-leaf (1)
Achlys triphylla
Western Toad (8)
Anaxyrus boreas
Western Trillium (2)
Trillium ovatum
Western Turkeybeard (1)
Xerophyllum tenax
Western cauliflower mushroom (1)
Sparassis radicata
White Chanterelle (1)
Cantharellus subalbidus
White-flower Hawkweed (1)
Hieracium albiflorum
Wood Woollyfoot (1)
Collybiopsis peronata
Woodland Beardtongue (1)
Nothochelone nemorosa
Wrinkled Cortinaria (1)
Cortinarius caperatus
Yellow Green Hypomyces (1)
Hypomyces luteovirens
Yew Club (1)
Clavicorona taxophila
a bolete fungus (1)
Boletus subalpinus
a fungus (1)
Gomphus clavatus
a fungus (2)
Cystoderma carcharias
a fungus (1)
Clavulinopsis laeticolor
a fungus (1)
Pithya vulgaris
a fungus (1)
Chlorociboria aeruginosa
a fungus (3)
Cantharellus roseocanus
a fungus (1)
Truncocolumella citrina
Federally Listed Species (8)

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.

Northern Spotted Owl
Strix occidentalis caurinaThreatened
Bull Trout
Salvelinus confluentus
Gray Wolf
Canis lupus
Marbled Murrelet
Brachyramphus marmoratus
Monarch
Danaus plexippusProposed Threatened
North American Wolverine
Gulo gulo luscus
Suckley's Cuckoo Bumble Bee
Bombus suckleyiProposed Endangered
Yellow-billed Cuckoo
Coccyzus americanus
Other Species of Concern (9)

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
Cassin's Finch
Haemorhous cassinii
Chestnut-backed Chickadee
Poecile rufescens rufescens
Evening Grosbeak
Coccothraustes vespertinus
Olive-sided Flycatcher
Contopus cooperi
Rufous Hummingbird
Selasphorus rufus
Western Grebe
Aechmophorus occidentalis
Western Screech-Owl
Megascops kennicottii cardonensis
Migratory Birds of Conservation Concern (9)

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
Cassin's Finch
Haemorhous cassinii
Chestnut-backed Chickadee
Poecile rufescens
Evening Grosbeak
Coccothraustes vespertinus
Olive-sided Flycatcher
Contopus cooperi
Rufous Hummingbird
Selasphorus rufus
Western Grebe
Aechmophorus occidentalis
Western Screech-Owl
Megascops kennicottii
Vegetation (6)

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

GNR34.2%
GNR26.3%
GNR21.8%
GNR12.8%
Pacific Northwest Landslide Forest
Tree / Hardwood · 35 ha
GNR1.5%
GNR1.1%

Spencer Ridge

Spencer Ridge Roadless Area

Gifford Pinchot National Forest, Washington · 5,880 acres