Onion Springs

Lassen National Forest · California · 2,421 acres · RoadlessArea Rule (2001)
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Observed Species (140)

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

Whitebark Pine (1)
Pinus albicaulisThreatened
(1)
Agaricus moronii
(10)
Castilleja lassenensis
Alpine Bittercress (1)
Cardamine bellidifolia
Alpine Smelowskia (2)
Smelowskia ovalis
American Badger (1)
Taxidea taxus
American Dipper (1)
Cinclus mexicanus
American Pika (1)
Ochotona princeps
American Robin (1)
Turdus migratorius
Arrow-leaf Groundsel (3)
Senecio triangularis
Ball-head Standing-cypress (1)
Ipomopsis congesta
Blunt-lobe Lupine (8)
Lupinus obtusilobus
Bracken Fern (1)
Pteridium aquilinum
Brewer's Monkeyflower (1)
Erythranthe breweri
Brown Creeper (2)
Certhia americana
Brown-eyed Wolf Lichen (2)
Letharia columbiana
California Blushing Monkeyflower (1)
Erythranthe erubescens
California Brome (1)
Bromus carinatus
California Polemonium (1)
Polemonium californicum
California Red Fir (2)
Abies magnifica
California Stickseed (1)
Hackelia californica
Californian False Hellebore (1)
Veratrum californicum
Canada Goose (1)
Branta canadensis
Canyon Bog Orchid (1)
Platanthera sparsiflora
Cassin's Vireo (5)
Vireo cassinii
Cobwebby Indian-paintbrush (7)
Castilleja arachnoidea
Columbian Monkshood (1)
Aconitum columbianum
Common Mullein (3)
Verbascum thapsus
Common Pokeweed (1)
Phytolacca americana
Common Raven (3)
Corvus corax
Cow-parsnip (4)
Heracleum maximum
Creeping Beardtongue (1)
Penstemon davidsonii
Curly Dock (1)
Rumex crispus
Dark-eyed Junco (2)
Junco hyemalis
Davis' knotweed (2)
Koenigia davisiae
Diffuse Groundsmoke (3)
Gayophytum diffusum
Douglas' Squirrel (10)
Tamiasciurus douglasii
Dwarf False Ground-cherry (2)
Leucophysalis nana
Dwarf Hulsea (1)
Hulsea nana
Eastern Warbling-Vireo (6)
Vireo gilvus
Fendler's Meadowrue (1)
Thalictrum fendleri
Fox Sparrow (2)
Passerella iliaca
Giant Pinedrops (5)
Pterospora andromedea
Golden Alpine Draba (13)
Draba aureola
Golden-mantled Ground Squirrel (14)
Callospermophilus lateralis
Green-tongue Liverwort (2)
Marchantia polymorpha
Greenleaf Manzanita (6)
Arctostaphylos patula
Hairy Woodpecker (1)
Leuconotopicus villosus
Hermit Thrush (1)
Catharus guttatus
Hermit Warbler (7)
Setophaga occidentalis
Jeffrey's Pine (2)
Pinus jeffreyi
Lace Lipfern (1)
Myriopteris gracillima
Lanceleaf Springbeauty (1)
Claytonia lanceolata
Large-flower Wire-lettuce (3)
Stephanomeria lactucina
Lemmon's Catchfly (1)
Silene lemmonii
Leopard Lily (1)
Lilium pardalinum
Lobb's Fiddleleaf (3)
Nama lobbii
Lodgepole Pine (1)
Pinus contorta
Long-eared Chipmunk (1)
Neotamias quadrimaculatus
Long-spur Lupine (5)
Lupinus arbustus
Long-tube Iris (1)
Iris tenuissima
Mallard (2)
Anas platyrhynchos
Marsh Grass-of-Parnassus (1)
Parnassia palustris
Meadow Goat's-beard (1)
Tragopogon dubius
Menzies' Wintergreen (2)
Chimaphila menziesii
Milky Kelloggia (3)
Kelloggia galioides
Mountain Chickadee (10)
Poecile gambeli
Mountain Hemlock (1)
Tsuga mertensiana
Mountain Maple (1)
Acer glabrum
Mountain Wildmint (2)
Monardella odoratissima
Mule Deer (5)
Odocoileus hemionus
Musk Monkeyflower (1)
Erythranthe moschata
Naked Buckwheat (3)
Eriogonum nudum
Newberry's Beardtongue (7)
Penstemon newberryi
Northern Flicker (2)
Colaptes auratus
Oceanspray (1)
Holodiscus discolor
Olive-sided Flycatcher (1)
Contopus cooperi
One-sided Wintergreen (1)
Orthilia secunda
Oregon Checker-mallow (2)
Sidalcea oregana
Pacific Bleedingheart (2)
Dicentra formosa
Pacific Treefrog (1)
Pseudacris regilla
Pine Violet (1)
Viola purpurea
Pinemat Manzanita (5)
Arctostaphylos nevadensis
Pinewoods Lousewort (1)
Pedicularis semibarbata
Primrose Monkeyflower (1)
Erythranthe primuloides
Proszynski's Jumping Spider (1)
Evarcha proszynskii
Purple Missionbells (1)
Fritillaria atropurpurea
Purple Sandspurry (1)
Spergularia rubra
Quaking Aspen (1)
Populus tremuloides
Red-breasted Nuthatch (9)
Sitta canadensis
Red-tailed Hawk (2)
Buteo jamaicensis
Rough Cocklebur (1)
Xanthium strumarium
Rough Harebell (1)
Campanula scabrella
Rubber Rabbitbrush (1)
Ericameria nauseosa
Sacramento Cycladenia (3)
Cycladenia humilis
Scarlet Skyrocket (14)
Ipomopsis aggregata
Shasta Knotweed (1)
Polygonum shastense
Showy Jacob's-ladder (6)
Polemonium pulcherrimum
Sierra Chinquapin (3)
Chrysolepis sempervirens
Silverleaf Scorpionweed (1)
Phacelia hastata
Slim-stem Beardtongue (2)
Penstemon gracilentus
Snowbank Fairy Helmet (1)
Mycena overholtsii
Snowplant (11)
Sarcodes sanguinea
Sooty Grouse (1)
Dendragapus fuliginosus
Speckled Alder (2)
Alnus incana
Spotted Coralroot (2)
Corallorhiza maculata
Spotted Towhee (1)
Pipilo maculatus
Spreading Dogbane (3)
Apocynum androsaemifolium
Steller's Jay (8)
Cyanocitta stelleri
Sticky Gooseberry (1)
Ribes viscosissimum
Subalpine Waxycap (1)
Hygrophorus subalpinus
Sugarstick (1)
Allotropa virgata
Thick-stem Aster (2)
Eurybia integrifolia
Thimbleberry (1)
Rubus parviflorus
Thymeleaf Speedwell (1)
Veronica serpyllifolia
Tinker's-penny (2)
Hypericum anagalloides
Tobacco Ceanothus (4)
Ceanothus velutinus
Toothed Wintergreen (2)
Pyrola dentata
Torrey's Blue-eyed Mary (1)
Collinsia torreyi
Torrey's Monkeyflower (1)
Diplacus torreyi
Veiled Polypore (5)
Cryptoporus volvatus
Western Bell-heather (1)
Cassiope mertensiana
Western Gray Beardtongue (1)
Penstemon laetus
Western Tanager (2)
Piranga ludoviciana
Western Wallflower (3)
Erysimum capitatum
Western White Pine (2)
Pinus monticola
Western Wood-Pewee (2)
Contopus sordidulus
White Fir (3)
Abies concolor
White-breasted Nuthatch (1)
Sitta carolinensis
White-crowned Sparrow (1)
Zonotrichia leucophrys
White-headed Woodpecker (3)
Leuconotopicus albolarvatus
White-veined Wintergreen (4)
Pyrola picta
Wild Carrot (1)
Daucus carota
Wolf Lichen (2)
Letharia vulpina
Yellow-pine Chipmunk (3)
Neotamias amoenus
Yellow-rumped Warbler (12)
Setophaga coronata
Yellow-staining Collomia (1)
Collomia tinctoria
a fungus (2)
Ganoderma oregonense
a fungus (1)
Melampsorella elatina
a fungus (2)
Calbovista subsculpta
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.

Whitebark Pine
Pinus albicaulisThreatened
California Condor
Gymnogyps californianusE, XN
California Spotted Owl
Strix occidentalis occidentalis
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
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 Swift
Cypseloides niger
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
Oak Titmouse
Baeolophus inornatus
Olive-sided Flycatcher
Contopus cooperi
Western Grebe
Aechmophorus occidentalis
Wrentit
Chamaea fasciata
Migratory Birds of Conservation Concern (15)

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 Swift
Cypseloides niger
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
Oak Titmouse
Baeolophus inornatus
Olive-sided Flycatcher
Contopus cooperi
Western Grebe
Aechmophorus occidentalis
Wrentit
Chamaea fasciata
Vegetation (5)

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

California Red Fir Forest
Tree / Conifer · 784 ha
GNR80.0%
California Mountain Chaparral
Shrub / Shrubland · 43 ha
GNR4.4%
California Mixed Conifer Forest
Tree / Conifer · 39 ha
GNR4.0%
California Mixed Conifer Forest
Tree / Conifer · 30 ha
GNR3.0%
California Subalpine Woodland
Tree / Conifer · 25 ha
GNR2.6%

Onion Springs

Onion Springs Roadless Area

Lassen National Forest, California · 2,421 acres