Grizzly Peak

Plumas National Forest · California · 6,222 acres · RoadlessArea Rule (2001)
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Observed Species (132)

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

(1)
Graemeloweus iviei
(1)
Calochortus minimus × nudus
American Bistort (1)
Bistorta bistortoides
American Black Bear (2)
Ursus americanus
American Bullfrog (1)
Lithobates catesbeianus
American Robin (1)
Turdus migratorius
Anderson's Thistle (1)
Cirsium andersonii
Beavertail Mariposa Lily (4)
Calochortus coeruleus
Bigleaf Maple (1)
Acer macrophyllum
Blue Field Gilia (1)
Gilia capitata
Blue-green Anise Mushroom (1)
Collybia odora
Bog Buckbean (1)
Menyanthes trifoliata
Brewer Clover (1)
Trifolium breweri
Brewer's Blackbird (1)
Euphagus cyanocephalus
Brown-eyed Wolf Lichen (1)
Letharia columbiana
Bull Elephant's-head (1)
Pedicularis groenlandica
California Black Oak (2)
Quercus kelloggii
California Blue-eyed-grass (2)
Sisyrinchium bellum
California Pitcherplant (28)
Darlingtonia californica
California Rockrose (1)
Helianthella californica
Californian False Hellebore (2)
Veratrum californicum
Canada Goose (1)
Branta canadensis
Canyon Live Oak (1)
Quercus chrysolepis
Cassin's Finch (1)
Haemorhous cassinii
Common Camassia (1)
Camassia quamash
Common Dandelion (1)
Taraxacum officinale
Common Gartersnake (1)
Thamnophis sirtalis
Common Monkeyflower (1)
Erythranthe guttata
Common Raven (1)
Corvus corax
Common Sagebrush Lizard (1)
Sceloporus graciosus
Cooper's Hawk (1)
Astur cooperii
Deptford Pink (1)
Dianthus armeria
Douglas' Spiraea (2)
Spiraea douglasii
Douglas' Squirrel (1)
Tamiasciurus douglasii
Explorers' Gentian (1)
Gentiana calycosa
Fall Thistle (2)
Cirsium occidentale
False Chanterelle (1)
Hygrophoropsis aurantiaca
False Puffball (1)
Reticularia lycoperdon
Few-flower Meadowrue (1)
Thalictrum sparsiflorum
Field Horsetail (1)
Equisetum arvense
Fireweed (1)
Chamaenerion angustifolium
Fringed Pinesap (1)
Pleuricospora fimbriolata
Garden Cornflower (1)
Centaurea cyanus
Giant Pinedrops (2)
Pterospora andromedea
Giant Rattlesnake-plantain (1)
Goodyera oblongifolia
Glandular Labrador-tea (1)
Rhododendron columbianum
Golden Triteleia (1)
Triteleia ixioides
Hartweg's Wild Ginger (1)
Asarum hartwegii
Huckleberry Oak (1)
Quercus vacciniifolia
Incense Cedar (1)
Calocedrus decurrens
Lake Almanor Clarkia (3)
Clarkia stellata
Lanceleaf Springbeauty (1)
Claytonia lanceolata
Large-flower Collomia (1)
Collomia grandiflora
Leichtlin's Mariposa Lily (3)
Calochortus leichtlinii
Leopard Lily (1)
Lilium pardalinum
Long-toed Salamander (3)
Ambystoma macrodactylum
Marsh Cinquefoil (1)
Comarum palustre
Marsh Grass-of-Parnassus (1)
Parnassia palustris
Menzies' Wintergreen (1)
Chimaphila menziesii
Mountain Hemlock (1)
Tsuga mertensiana
Mountain Lady's-slipper (1)
Cypripedium montanum
Mountain Maple (1)
Acer glabrum
Mountain Quail (1)
Oreortyx pictus
Mourning Dove (1)
Zenaida macroura
Mt. Lassen Fleabane (1)
Erigeron lassenianus
Mule Deer (2)
Odocoileus hemionus
Nettle-leaf Giant-hyssop (1)
Agastache urticifolia
Newberry's Beardtongue (1)
Penstemon newberryi
North American Racer (2)
Coluber constrictor
One-flower Bleedinghearts (1)
Dicentra uniflora
Orange Peel Fungus (1)
Aleuria aurantia
Orange-crowned Warbler (1)
Leiothlypis celata
Pacific Dogwood (1)
Cornus nuttallii
Pacific Popcorn-flower (1)
Plagiobothrys tenellus
Pacific Stonecrop (1)
Sedum spathulifolium
Pacific Willow (1)
Salix lasiandra
Perennial Pea (1)
Lathyrus latifolius
Pileated Woodpecker (1)
Dryocopus pileatus
Pine Violet (1)
Viola lobata
Ponderosa Pine (1)
Pinus ponderosa
Primrose Monkeyflower (1)
Erythranthe primuloides
Purple Milkweed (1)
Asclepias cordifolia
Purple Missionbells (3)
Fritillaria atropurpurea
Quincy Lupine (1)
Lupinus dalesiae
Red Larkspur (1)
Delphinium nudicaule
Red-osier Dogwood (1)
Cornus sericea
Red-tailed Hawk (1)
Buteo jamaicensis
Rose Campion (1)
Silene coronaria
Rose Meadowsweet (1)
Spiraea splendens
Roundleaf Sundew (4)
Drosera rotundifolia
Rubber Rabbitbrush (1)
Ericameria nauseosa
Sedge-leaf Whitethorn (1)
Ceanothus cuneatus
Showy Milkweed (3)
Asclepias speciosa
Sierra Chinquapin (1)
Chrysolepis sempervirens
Sierra Cliffbrake (1)
Pellaea brachyptera
Sierra Jewelflower (1)
Streptanthus tortuosus
Sierra Newt (1)
Taricha sierrae
Sierra Onion (2)
Allium campanulatum
Signal Crayfish (2)
Pacifastacus leniusculus
Silver Maple (1)
Acer saccharinum
Slender Cotton-grass (1)
Eriophorum gracile
Slender-sepal Marsh-marigold (1)
Caltha leptosepala
Snap-dragon Skullcap (1)
Scutellaria antirrhinoides
Snowplant (7)
Sarcodes sanguinea
Sooty Grouse (2)
Dendragapus fuliginosus
Spotted Coralroot (2)
Corallorhiza maculata
Spotted Towhee (1)
Pipilo maculatus
Steller's Jay (2)
Cyanocitta stelleri
Stream Trefoil (1)
Hosackia oblongifolia
Streambank Springbeauty (1)
Claytonia parviflora
Striped Coralroot (1)
Corallorhiza striata
Sugar Pine (1)
Pinus lambertiana
Swamp Whiteheads (1)
Angelica capitellata
Tall Woolly Buckwheat (1)
Eriogonum elatum
Terrestrial Gartersnake (2)
Thamnophis elegans
Thimbleberry (3)
Rubus parviflorus
Veiled Polypore (1)
Cryptoporus volvatus
Virgate Scorpionweed (1)
Phacelia heterophylla
Washington Lily (1)
Lilium washingtonianum
Water Puffball (1)
Lycoperdon perlatum
Western Bush Bindweed (1)
Calystegia occidentalis
Western Doghobble (1)
Leucothoe davisiae
Western Fence Lizard (1)
Sceloporus occidentalis
Western Peony (2)
Paeonia brownii
Western Poison-oak (1)
Toxicodendron diversilobum
White Fir (1)
Abies concolor
White-flower Hawkweed (1)
Hieracium albiflorum
Wild Carrot (1)
Daucus carota
Wild Turkey (1)
Meleagris gallopavo
Yosemite Millipede (1)
Californiulus yosemitensis
a fungus (1)
Pholiota molesta
a jumping spider (1)
Salticus peckhamae
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.

Sierra Nevada Yellow-legged Frog
Rana sierraeEndangered
Whitebark Pine
Pinus albicaulisThreatened
California Condor
Gymnogyps californianusE, XN
California Spotted Owl
Strix occidentalis occidentalis
Gray Wolf
Canis lupus
Monarch
Danaus plexippusProposed Threatened
Northwestern Pond Turtle
Actinemys marmorataProposed Threatened
Other Species of Concern (15)

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

American Dipper
Cinclus mexicanus
Bald Eagle
Haliaeetus leucocephalus
Black-throated Gray Warbler
Setophaga nigrescens
California Gull
Larus californicus
California Spotted Owl
Strix occidentalis occidentalis
Calliope Hummingbird
Selasphorus calliope
Cassin's Finch
Haemorhous cassinii
Evening Grosbeak
Coccothraustes vespertinus
Flammulated Owl
Psiloscops flammeolus
Golden Eagle
Aquila chrysaetos
Hermit Warbler
Setophaga occidentalis
Lewis's Woodpecker
Melanerpes lewis
Olive-sided Flycatcher
Contopus cooperi
Western Grebe
Aechmophorus occidentalis
Wrentit
Chamaea fasciata
Migratory Birds of Conservation Concern (14)

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.

American Dipper
Cinclus mexicanus
Bald Eagle
Haliaeetus leucocephalus
Black-throated Gray Warbler
Setophaga nigrescens
California Gull
Larus californicus
Calliope Hummingbird
Selasphorus calliope
Cassin's Finch
Haemorhous cassinii
Evening Grosbeak
Coccothraustes vespertinus
Golden Eagle
Aquila chrysaetos
Hermit Warbler
Setophaga occidentalis
Lewis's Woodpecker
Melanerpes lewis
Olive-sided Flycatcher
Contopus cooperi
Spotted Owl
Strix occidentalis
Western Grebe
Aechmophorus occidentalis
Wrentit
Chamaea fasciata
Vegetation (9)

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

California Mixed Conifer Forest
Tree / Conifer · 797 ha
GNR31.7%
California Mixed Conifer Forest
Tree / Conifer · 577 ha
GNR22.9%
California Mountain Chaparral
Shrub / Shrubland · 494 ha
GNR19.6%
California Ruderal Grassland and Meadow
Herb / Exotic Herbaceous · 192 ha
7.6%
California High Mountain Meadow
Herb / Grassland · 124 ha
GNR4.9%
California Red Fir Forest
Tree / Conifer · 95 ha
GNR3.8%
California Subalpine Woodland
Tree / Conifer · 65 ha
GNR2.6%
Sierra Nevada Cliff and Canyon
Sparse / Sparsely Vegetated · 49 ha
1.9%
California Chaparral
Shrub / Shrubland · 27 ha
GNR1.1%

Grizzly Peak

Grizzly Peak Roadless Area

Plumas National Forest, California · 6,222 acres