East Fork

Shasta-Trinity National Forest · California · 6,201 acres · RoadlessArea Rule (2001)
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Observed Species (187)

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

Aggregating Harvestman (1)
Nelima paessleri
American Bistort (1)
Bistorta bistortoides
American Black Bear (1)
Ursus americanus
American Rockbrake (1)
Cryptogramma acrostichoides
American Speedwell (1)
Veronica americana
Aquatic Gartersnake (1)
Thamnophis atratus
Arrowleaf Buckwheat (3)
Eriogonum compositum
Barred Owl (1)
Strix varia
Beautiful Stickseed (2)
Hackelia bella
Bedstraw Broomrape (2)
Aphyllon epigalium
Beegum Onion (2)
Allium hoffmanii
Bigleaf Maple (1)
Acer macrophyllum
Black-tailed Jackrabbit (1)
Lepus californicus
Bloomer's Fleabane (1)
Erigeron bloomeri
Blunt-lobe Lupine (2)
Lupinus obtusilobus
Bobcat (2)
Lynx rufus
Bowl-tube Iris (2)
Iris macrosiphon
Brewer's Monkeyflower (1)
Erythranthe breweri
Bristly Black Currant (1)
Ribes lacustre
Brown-eyed Wolf Lichen (1)
Letharia columbiana
Bushy-tailed Woodrat (1)
Neotoma cinerea
California Black Oak (1)
Quercus kelloggii
California Harebell (1)
Smithiastrum prenanthoides
California Lady's-slipper (1)
Cypripedium californicum
California Polemonium (4)
Polemonium californicum
California Red Fir (3)
Abies magnifica
California Valerian (1)
Valeriana californica
California Waterleaf (2)
Hydrophyllum occidentale
Californian False Hellebore (3)
Veratrum californicum
Chipping Sparrow (1)
Spizella passerina
Choke Cherry (1)
Prunus virginiana
Clasping Twisted-stalk (1)
Streptopus amplexifolius
Coast Manroot (2)
Marah oregana
Cobwebby Indian-paintbrush (2)
Castilleja arachnoidea
Columbian Monkshood (2)
Aconitum columbianum
Common Monkeyflower (1)
Erythranthe guttata
Common Sagebrush Lizard (1)
Sceloporus graciosus
Common Woolly-sunflower (1)
Eriophyllum lanatum
Common Yarrow (4)
Achillea millefolium
Cougar (1)
Puma concolor
Cow-parsnip (1)
Heracleum maximum
Crevice Alumroot (1)
Heuchera micrantha
Dark-eyed Junco (1)
Junco hyemalis
Deltoid Balsamroot (1)
Balsamorhiza deltoidea
Dense Lace Fern (1)
Aspidotis densa
Doris Nile's Madia (1)
Harmonia doris-nilesiae
Douglas' Squirrel (1)
Tamiasciurus douglasii
Dubakella Mountain Buckwheat (3)
Eriogonum libertini
Dwarf Purple Monkeyflower (2)
Diplacus nanus
Dyer's Woad (1)
Isatis tinctoria
Fall Thistle (1)
Cirsium occidentale
Fireweed (2)
Chamaenerion angustifolium
Fork-toothed Ookow (1)
Dichelostemma congestum
Foxtail Pine (20)
Pinus balfouriana
Fringed Pinesap (1)
Pleuricospora fimbriolata
Frosty paintbrush (1)
Castilleja pruinosa
Giant Pinedrops (2)
Pterospora andromedea
Golden Triteleia (1)
Triteleia ixioides
Gophersnake (1)
Pituophis catenifer
Grassy Tarweed (1)
Madia gracilis
Harvest Brodiaea (1)
Brodiaea elegans
Hoary Manzanita (1)
Arctostaphylos canescens
Hoary Pincushion (5)
Chaenactis douglasii
Hot-rock Beardtongue (3)
Penstemon deustus
Incense Cedar (4)
Calocedrus decurrens
Jeffrey's Pine (1)
Pinus jeffreyi
Jepson's Dodder (1)
Cuscuta jepsonii
Kellogg's Monkeyflower (2)
Diplacus kelloggii
Klamath Rockcress (1)
Boechera subpinnatifida
Lace Lipfern (4)
Myriopteris gracillima
Large-flower Yellow Fawnlily (3)
Erythronium grandiflorum
Large-fruit Desert-parsley (2)
Lomatium macrocarpum
Layne's Monkeyflower (2)
Diplacus layneae
Lee's Bitterroot (2)
Lewisia leeana
Leopard Lily (2)
Lilium pardalinum
Lilac Lily (1)
Lilium rubescens
Long-tube Iris (1)
Iris tenuissima
Meadow Goat's-beard (1)
Tragopogon dubius
Menzies' Wintergreen (1)
Chimaphila menziesii
Mexican Catchfly (2)
Silene laciniata
Mountain Bluecurls (1)
Trichostema oblongum
Mountain Hemlock (1)
Tsuga mertensiana
Mountain Holly Fern (1)
Polystichum scopulinum
Mountain Quail (1)
Oreortyx pictus
Mountain Whitethorn (3)
Ceanothus cordulatus
Mountain Wildmint (1)
Monardella odoratissima
Mt. Lassen Clarkia (1)
Clarkia lassenensis
Mule Deer (1)
Odocoileus hemionus
Munite Prickly-poppy (1)
Argemone munita
Musk Monkeyflower (2)
Erythranthe moschata
Naked Buckwheat (2)
Eriogonum nudum
Narrow-petal Stonecrop (1)
Sedum stenopetalum
Narrowleaf Swordfern (1)
Polystichum imbricans
Newberry's Beardtongue (5)
Penstemon newberryi
Northern Alligator Lizard (2)
Elgaria coerulea
Northwestern Pond Turtle (1)
Actinemys marmorataProposed Threatened
Orange Agoseris (1)
Agoseris aurantiaca
Oregon White Oak (1)
Quercus garryana
Pacific Bleedingheart (6)
Dicentra formosa
Pacific Woodrush (1)
Luzula comosa
Pacific Wren (1)
Troglodytes pacificus
Pacific Yew (2)
Taxus brevifolia
Phantom Orchid (5)
Cephalanthera austiniae
Pine Violet (1)
Viola lobata
Pinemat Manzanita (1)
Arctostaphylos nevadensis
Pink False Gilia (1)
Allophyllum divaricatum
Pioneer Gooseberry (2)
Ribes lobbii
Prairie Flax (4)
Linum lewisii
Quaking Aspen (2)
Populus tremuloides
Rayless Arnica (3)
Arnica discoidea
Red Baneberry (1)
Actaea rubra
Red Larkspur (1)
Delphinium nudicaule
Red-osier Dogwood (1)
Cornus sericea
Red-stem Springbeauty (1)
Claytonia rubra
Redwood Beardtongue (1)
Keckiella corymbosa
Rough-skinned Newt (1)
Taricha granulosa
Rubber Boa (4)
Charina bottae
Sand Violet (1)
Viola adunca
Scarlet Missionbells (5)
Fritillaria recurva
Scarlet Skyrocket (3)
Ipomopsis aggregata
Sculpted Puffball (1)
Calvatia sculpta
Scythe-leaf Onion (1)
Allium falcifolium
Segmented Luetkea (3)
Luetkea pectinata
Serpentine Goldenbush (2)
Ericameria ophitidis
Serpentine Milkweed (3)
Asclepias solanoana
Serpentine Rockcress (2)
Boechera serpenticola
Shelton's Violet (1)
Viola sheltonii
Showy Green-gentian (2)
Frasera speciosa
Showy Jacob's-ladder (1)
Polemonium pulcherrimum
Siberian Springbeauty (2)
Claytonia sibirica
Sickle-leaf Jewelflower (1)
Streptanthus drepanoides
Sierra Chinquapin (1)
Chrysolepis sempervirens
Sierra Cliffbrake (1)
Pellaea brachyptera
Sierra Currant (1)
Ribes nevadense
Sierra Fawn Lily (1)
Erythronium multiscapideum
Sierra Gooseberry (3)
Ribes roezlii
Sierra Jewelflower (3)
Streptanthus tortuosus
Sierra Onion (1)
Allium campanulatum
Silky Raillardella (1)
Raillardella argentea
Siskiyou Beardtongue (1)
Penstemon anguineus
Siskiyou Fritillary (2)
Fritillaria glauca
Siskiyou Gooseberry (1)
Ribes binominatum
Siskiyou Mountain Woodland-star (1)
Lithophragma campanulatum
Slender Bird's-beak (1)
Cordylanthus tenuis
Small-flower Beardtongue (1)
Penstemon procerus
Smooth White Violet (1)
Viola macloskeyi
Snap-dragon Skullcap (1)
Scutellaria antirrhinoides
Snow Mountain Beardtongue (2)
Penstemon purpusii
Solomon's-plume (3)
Maianthemum racemosum
Spotted Coralroot (2)
Corallorhiza maculata
Spotted Towhee (1)
Pipilo maculatus
Spreading Dogbane (1)
Apocynum androsaemifolium
Spreading Phlox (1)
Phlox diffusa
Stebbins' Madia (2)
Harmonia stebbinsii
Steller's Jay (1)
Cyanocitta stelleri
Sugar Pine (6)
Pinus lambertiana
Sulphur-flower Buckwheat (1)
Eriogonum umbellatum
Tall Phacelia (1)
Phacelia procera
Tall White Bog Orchid (2)
Platanthera dilatata
Tongue Clarkia (2)
Clarkia rhomboidea
Tower-mustard (1)
Turritis glabra
Trinity Mountains Monkeyflower (1)
Erythranthe trinitiensis
Veiled Polypore (2)
Cryptoporus volvatus
Virgate Scorpionweed (2)
Phacelia heterophylla
Wavyleaf Indian-paintbrush (2)
Castilleja applegatei
Western Columbine (1)
Aquilegia formosa
Western Fence Lizard (1)
Sceloporus occidentalis
Western Lynx Spider (1)
Oxyopes scalaris
Western Peony (1)
Paeonia brownii
Western Rattlesnake (2)
Crotalus oreganus
Western Trillium (2)
Trillium ovatum
Western Wallflower (1)
Erysimum capitatum
Western White Pine (2)
Pinus monticola
White Fir (1)
Abies concolor
White Toadshade (2)
Trillium albidum
White Triteleia (1)
Triteleia hyacinthina
White-stem Raspberry (1)
Rubus leucodermis
Whitney's Bristleweed (1)
Hazardia whitneyi
Winter Currant (1)
Ribes sanguineum
Wood Rose (2)
Rosa gymnocarpa
Woodland Strawberry (2)
Fragaria vesca
Yellow Whispering-bells (1)
Emmenanthe penduliflora
Yolla Bolly Bedstraw (2)
Galium ambiguum
a blind springtail (1)
Hymenaphorura cocklei
a fungus (1)
Caloscypha fulgens
a terrestrial slug (1)
Ariolimax buttoni
poke knotweed (1)
Koenigia phytolaccifolia
Federally Listed Species (9)

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.

Conservancy Fairy Shrimp
Branchinecta conservatioEndangered
Northern Spotted Owl
Strix occidentalis caurinaThreatened
Vernal Pool Fairy Shrimp
Branchinecta lynchiThreatened
Vernal Pool Tadpole Shrimp
Lepidurus packardiEndangered
California Condor
Gymnogyps californianusE, XN
Monarch
Danaus plexippusProposed Threatened
Northwestern Pond Turtle
Actinemys marmorataProposed Threatened
Western Spadefoot
Spea hammondiiProposed Threatened
Yellow-billed Cuckoo
Coccyzus americanus
Other Species of Concern (1)

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

Oak Titmouse
Baeolophus inornatus
Migratory Birds of Conservation Concern (1)

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.

Oak Titmouse
Baeolophus inornatus
Vegetation (8)

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

California Mixed Conifer Forest
Tree / Conifer · 1,803 ha
GNR71.8%
California Red Fir Forest
Tree / Conifer · 295 ha
GNR11.8%
California Mixed Evergreen Forest
Tree / Conifer · 114 ha
GNR4.6%
California Mountain Chaparral
Shrub / Shrubland · 85 ha
GNR3.4%
California Mixed Conifer Forest
Tree / Conifer · 63 ha
GNR2.5%
California High Mountain Meadow
Herb / Grassland · 47 ha
GNR1.9%
Klamath-Siskiyou Cliff and Outcrop
Sparse / Sparsely Vegetated · 27 ha
1.1%
G20.0%

East Fork

East Fork Roadless Area

Shasta-Trinity National Forest, California · 6,201 acres