North Fork Middle Fork American River

Tahoe National Forest · California · 11,245 acres · RoadlessArea Rule (2001)
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Observed Species (340)

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

California Red-legged Frog (9)
Rana draytoniiThreatened
(2)
Xystocheir brachymacris
(1)
Cortinarius helodes
(1)
Coprinopsis marcida
(2)
Theatops californiensis
(1)
Gymnoconia peckiana
(1)
Lactarius cuspidoaurantiacus
(2)
Brachycybe producta
(1)
Heterotrichia versicolor
(1)
Gymnotelium blasdaleanum
(1)
Sarcosphaera montana
(1)
Crassisporium funariophilum
(1)
Chaetothiersia eguttulata
(1)
Bondarzewia occidentalis
(1)
Inocybe candidipes
Acorn Woodpecker (1)
Melanerpes formicivorus
American Black Bear (3)
Ursus americanus
American Dipper (2)
Cinclus mexicanus
American Trailplant (10)
Adenocaulon bicolor
Band-tailed Pigeon (1)
Patagioenas fasciata
Bear Valley Buckwheat (1)
Eriogonum ursinum
Beavertail Mariposa Lily (2)
Calochortus coeruleus
Bentham's Bush Lupine (1)
Lupinus albifrons
Bigleaf Maple (4)
Acer macrophyllum
Bird's-foot Cliffbrake (1)
Pellaea mucronata
Bitter Cherry (1)
Prunus emarginata
Black Phoebe (1)
Sayornis nigricans
Black-fruit Dogwood (3)
Cornus sessilis
Black-throated Gray Warbler (1)
Setophaga nigrescens
Bladderpod (1)
Cleomella arborea
Blue Field Gilia (2)
Gilia capitata
Blueleg Brownie (1)
Psilocybe cyanescens
Bouncing-bet (1)
Saponaria officinalis
Bracken Fern (13)
Pteridium aquilinum
Brewer's Blackbird (1)
Euphagus cyanocephalus
Brewer's Mountain-heath (1)
Phyllodoce breweri
Brewer's Peavine (1)
Lathyrus sulphureus
Bristly Dogtail Grass (1)
Cynosurus echinatus
Brown Creeper (2)
Certhia americana
Brown Missionbells (1)
Fritillaria micrantha
Brown Trout (1)
Salmo trutta
Bull Thistle (2)
Cirsium vulgare
Burn Site Mushroom (3)
Myxomphalia maura
California Bay (2)
Umbellularia californica
California Black Oak (13)
Quercus kelloggii
California Buckeye (1)
Aesculus californica
California Fairyfan (1)
Clarkia heterandra
California Fawnlily (2)
Erythronium californicum
California Foothill Pine (1)
Pinus sabiniana
California Ground Squirrel (2)
Otospermophilus beecheyi
California Harebell (6)
Smithiastrum prenanthoides
California Kingsnake (4)
Lampropeltis californiae
California Mountain Kingsnake (1)
Lampropeltis zonata
California Nutmeg Rust (1)
Rogerpetersonia torreyae
California Poppy (1)
Eschscholzia californica
California Saxifrage (1)
Micranthes californica
California Scrub Jay (1)
Aphelocoma californica
California Skullcap (1)
Scutellaria californica
California Torreya (10)
Torreya californica
California Yerba Santa (7)
Eriodictyon californicum
Cantelow's Lewisia (1)
Lewisia cantelovii
Canyon Live Oak (7)
Quercus chrysolepis
Canyon Liveforever (4)
Dudleya cymosa
Cape Province Pygmyweed (1)
Crassula multicava
Cassin's Vireo (1)
Vireo cassinii
Castor-bean (1)
Ricinus communis
Charcoal Cup (1)
Peziza echinospora
Chicken Fat Mushroom (1)
Suillus americanus
Chicory (1)
Cichorium intybus
Coastal Woodfern (2)
Dryopteris arguta
Coleman's Rein Orchid (1)
Platanthera colemanii
Common Gartersnake (2)
Thamnophis sirtalis
Common Mullein (1)
Verbascum thapsus
Common Purslane (1)
Portulaca oleracea
Common Raven (2)
Corvus corax
Common St. John's-wort (4)
Hypericum perforatum
Common Wintergreen (15)
Chimaphila umbellata
Common Woolly-sunflower (2)
Eriophyllum lanatum
Conifer Mazegill (1)
Gloeophyllum sepiarium
Cougar (1)
Puma concolor
Creeping Sage (1)
Salvia sonomensis
Crevice Alumroot (2)
Heuchera micrantha
Dark-eyed Junco (1)
Junco hyemalis
Deerbrush (6)
Ceanothus integerrimus
Douglas' Lupine (2)
Lupinus nanus
Douglas' Squirrel (1)
Tamiasciurus douglasii
Douglas' Wood Beauty (4)
Drymocallis glandulosa
Douglas' Wormwood (1)
Artemisia douglasiana
Douglas-fir (6)
Pseudotsuga menziesii
Dusky Flycatcher (1)
Empidonax oberholseri
Earth Box (2)
Geopyxis carbonaria
English Plantain (2)
Plantago lanceolata
Ensatina (5)
Ensatina eschscholtzii
Evergreen Blackberry (1)
Rubus laciniatus
False Tarantula (1)
Calisoga longitarsis
Foot-hill Trefoil (1)
Acmispon brachycarpus
Foothill Deathcamas (1)
Toxicoscordion paniculatum
Foothill Desert-parsley (1)
Lomatium utriculatum
Fox Sparrow (1)
Passerella iliaca
Fremont Cottonwood (1)
Populus fremontii
Fremont's Silktassel (1)
Garrya fremontii
Fringed Pinesap (1)
Pleuricospora fimbriolata
Garden Cornflower (1)
Centaurea cyanus
Giant Pinedrops (15)
Pterospora andromedea
Giant Rattlesnake-plantain (6)
Goodyera oblongifolia
Giant Sequoia (56)
Sequoiadendron giganteum
Goldback Fern (2)
Pentagramma triangularis
Golden Eagle (2)
Aquila chrysaetos
Golden Pholiota (1)
Pholiota aurivella
Golden Triteleia (5)
Triteleia ixioides
Goldwire (1)
Hypericum concinnum
Gray Fox (2)
Urocyon cinereoargenteus
Great Valley gumweed (1)
Grindelia camporum
Green-tongue Liverwort (2)
Marchantia polymorpha
Greenleaf Manzanita (7)
Arctostaphylos patula
Hairy Curtain Crust (1)
Stereum hirsutum
Hartweg's Iris (17)
Iris hartwegii
Harvest Brodiaea (1)
Brodiaea elegans
Henderson's Shootingstar (6)
Primula hendersonii
Honey Waxcap (1)
Hygrocybe reidii
Hooded False Morel (2)
Paragyromitra infula
Hooker's Mandarin (1)
Prosartes hookeri
Huckleberry Oak (1)
Quercus vacciniifolia
Hummingbird-trumpet (1)
Epilobium canum
Incense Cedar (14)
Calocedrus decurrens
Incense Cedar Conk (1)
Tyromyces amarus
Incense Cedar Mistletoe (1)
Phoradendron libocedri
Indian Manzanita (8)
Arctostaphylos mewukka
Jordan's Maidenhair Fern (1)
Adiantum jordanii
Kellogg's Monkeyflower (1)
Diplacus kelloggii
Knobcone Pine (3)
Pinus attenuata
Large-flowered Bush-monkeyflower (12)
Diplacus grandiflorus
Largeleaf Periwinkle (1)
Vinca major
Lazuli Bunting (2)
Passerina amoena
Leafless wintergreen (5)
Pyrola aphylla
Leather Oak (1)
Quercus durata
Leichtlin's Mariposa Lily (1)
Calochortus leichtlinii
Lemmon's Catchfly (3)
Silene lemmonii
Leopard Lily (2)
Lilium pardalinum
Lewis' Mock Orange (1)
Philadelphus lewisii
Little Elephant's-head (1)
Pedicularis attollens
Lobb's Fiddleleaf (1)
Nama lobbii
MacGillivray's Warbler (2)
Geothlypis tolmiei
Mahala-mat Ceanothus (7)
Ceanothus prostratus
Maiden's-tears (1)
Silene vulgaris
Many-flower Snakelily (3)
Dichelostemma multiflorum
Meadow Goat's-beard (1)
Tragopogon dubius
Menzies' Wintergreen (5)
Chimaphila menziesii
Mexican Catchfly (11)
Silene laciniata
Milkwort Jewelflower (1)
Streptanthus polygaloides
Milky Kelloggia (1)
Kelloggia galioides
Mountain Chickadee (2)
Poecile gambeli
Mountain Quail (3)
Oreortyx pictus
Mountain Whitethorn (1)
Ceanothus cordulatus
Mule Deer (2)
Odocoileus hemionus
Myrtle Spurge (1)
Euphorbia myrsinites
Narrow-petal Trillium (1)
Trillium angustipetalum
Narrowleaf Swordfern (2)
Polystichum imbricans
Newberry's Beardtongue (1)
Penstemon newberryi
Nissenan Manzanita (3)
Arctostaphylos nissenana
Northern Alligator Lizard (3)
Elgaria coerulea
Northern Broad-footed Mole (1)
Scapanus latimanus
Northern Pygmy-Owl (1)
Glaucidium gnoma
Northern Red Belt (1)
Fomitopsis mounceae
Northern Saw-whet Owl (1)
Aegolius acadicus
Northern Yellow Warbler (1)
Setophaga aestiva
Northwestern Pond Turtle (6)
Actinemys marmorataProposed Threatened
Oak-loving Elfin Saddle (1)
Helvella dryophila
One-seed Pussy-paws (7)
Calyptridium monospermum
Orange-brown Waxgill (1)
Gliophorus laetus
Pacific Bleedingheart (5)
Dicentra formosa
Pacific Dogwood (14)
Cornus nuttallii
Pacific Madrone (5)
Arbutus menziesii
Pacific Stonecrop (5)
Sedum spathulifolium
Pacific Treefrog (1)
Pseudacris regilla
Pacific Wren (1)
Troglodytes pacificus
Panicled Willowherb (1)
Epilobium brachycarpum
Pear-shaped Puffball (1)
Apioperdon pyriforme
Pearly Everlasting (1)
Anaphalis margaritacea
Perennial Pea (3)
Lathyrus latifolius
Pileated Woodpecker (1)
Dryocopus pileatus
Pin Clover (2)
Erodium cicutarium
Pine Violet (15)
Viola lobata
Pine Violet (6)
Viola purpurea
Pineforest Larkspur (1)
Delphinium gracilentum
Pinemat Manzanita (1)
Arctostaphylos nevadensis
Pinewoods Lousewort (2)
Pedicularis semibarbata
Piper's Oregon-grape (1)
Berberis aquifolium
Poison Ivy Leaf Mite (1)
Aculops rhois
Ponderosa Pine (4)
Pinus ponderosa
Purple Fawnlily (11)
Erythronium purpurascens
Purple Milkweed (15)
Asclepias cordifolia
Purple Nightshade (1)
Solanum xanti
Rainbow Trout or Steelhead (1)
Oncorhynchus mykiss
Red Crossbill (1)
Loxia curvirostra
Red Hills Soaproot (1)
Chlorogalum grandiflorum
Red Sierra Onion (6)
Allium obtusum
Red-breasted Sapsucker (1)
Sphyrapicus ruber
Red-stem Springbeauty (1)
Claytonia rubra
Red-tailed Hawk (2)
Buteo jamaicensis
Roezl's penstemon (1)
Penstemon roezlii
Rose Clover (2)
Trifolium hirtum
Roundleaf Sundew (1)
Drosera rotundifolia
Sanborn's Onion (4)
Allium sanbornii
Sandhill Crane (3)
Antigone canadensis
Scarlet Missionbells (6)
Fritillaria recurva
Scarlet Monkeyflower (2)
Erythranthe cardinalis
Sea Goldenstar (1)
Muilla maritima
Self-heal (1)
Prunella vulgaris
Shasta Huckleberry (3)
Vaccinium shastense
Shelton's Violet (2)
Viola sheltonii
Showy Milkweed (1)
Asclepias speciosa
Showy Phlox (1)
Phlox speciosa
Sierra Bluegrass (2)
Poa sierrae
Sierra Chinquapin (4)
Chrysolepis sempervirens
Sierra Fawn Lily (8)
Erythronium multiscapideum
Sierra Gartersnake (5)
Thamnophis couchii
Sierra Gooseberry (6)
Ribes roezlii
Sierra Jewelflower (3)
Streptanthus tortuosus
Sierra Lessingia (1)
Lessingia leptoclada
Sierra Lupine (1)
Lupinus grayi
Sierra Mariposa Lily (2)
Calochortus minimus
Sierra Milkwort (3)
Rhinotropis cornuta
Sierra Mountain-misery (20)
Chamaebatia foliolosa
Sierra Newt (3)
Taricha sierrae
Sierra Primrose (1)
Primula suffrutescens
Silver Bird's-foot-trefoil (1)
Acmispon argophyllus
Slender Wintergreen (4)
Gaultheria ovatifolia
Small Tiger Lily (4)
Lilium parvum
Small-leaf Monkeyflower (3)
Erythranthe microphylla
Smelly Oyster (2)
Phyllotopsis nidulans
Snowplant (1)
Sarcodes sanguinea
Solomon's-plume (8)
Maianthemum racemosum
Sooty Grouse (1)
Dendragapus fuliginosus
Southern Alligator Lizard (1)
Elgaria multicarinata
Spotted Coralroot (8)
Corallorhiza maculata
Spotted Knapweed (1)
Centaurea stoebe
Spotted Owl (1)
Strix occidentalis
Spotted Towhee (1)
Pipilo maculatus
Spring Coccora (3)
Amanita vernicoccora
Stebbins Phacelia (1)
Phacelia stebbinsii
Steller's Jay (1)
Cyanocitta stelleri
Sticky Brown-stain Blue-eyed Mary (1)
Collinsia tinctoria
Sticky Rosinweed (1)
Calycadenia multiglandulosa
Stipulate Trefoil (1)
Hosackia stipularis
Stivers' Annual Lupine (2)
Lupinus stiversii
Streambank Springbeauty (2)
Claytonia parviflora
Striped Coralroot (1)
Corallorhiza striata
Sugar Pine (18)
Pinus lambertiana
Sugarstick (2)
Allotropa virgata
Sulphur Shelf (1)
Laetiporus gilbertsonii
Sulphur Tuft (1)
Hypholoma fasciculare
Tall White Bog Orchid (1)
Platanthera dilatata
Terrestrial Gartersnake (3)
Thamnophis elegans
Tiger Whiptail (1)
Aspidoscelis tigris
Tongue Clarkia (3)
Clarkia rhomboidea
Torrey's Monkeyflower (8)
Diplacus torreyi
Townsend's Solitaire (1)
Myadestes townsendi
Toyon (3)
Heteromeles arbutifolia
Tree Poppy (5)
Dendromecon rigida
Turkey Tail (1)
Trametes versicolor
Two-lobed Clarkia (3)
Clarkia biloba
Umbrella Plant (7)
Darmera peltata
Van Zuuk's False Bindweed (4)
Calystegia vanzuukiae
Variable-leaf Baby-blue-eyes (3)
Nemophila heterophylla
Veiled Polypore (13)
Cryptoporus volvatus
Vinegarweed (1)
Trichostema lanceolatum
Violet Cup (1)
Geoscypha violacea
Violet Draperia (23)
Draperia systyla
Washington Lily (1)
Lilium washingtonianum
Wavyleaf Soap-plant (6)
Chlorogalum pomeridianum
Western Azalea (12)
Rhododendron occidentale
Western Columbine (1)
Aquilegia formosa
Western Fence Lizard (6)
Sceloporus occidentalis
Western Gray Beardtongue (7)
Penstemon laetus
Western Gray Squirrel (2)
Sciurus griseus
Western Mosquitofish (1)
Gambusia affinis
Western Poison-oak (5)
Toxicodendron diversilobum
Western Rattlesnake (4)
Crotalus oreganus
Western Redbud (1)
Cercis occidentalis
Western Tanager (1)
Piranga ludoviciana
Western Turkeybeard (11)
Xerophyllum tenax
Western Wallflower (2)
Erysimum capitatum
Western Woodland Amanita (1)
Amanita silvicola
White Fir (7)
Abies concolor
White Mariposa Lily (2)
Calochortus albus
White Sweetclover (1)
Melilotus albus
White Triteleia (2)
Triteleia hyacinthina
White-flower Hawkweed (5)
Hieracium albiflorum
White-headed Woodpecker (3)
Leuconotopicus albolarvatus
White-veined Wintergreen (15)
Pyrola picta
Whiteleaf Manzanita (6)
Arctostaphylos viscida
Wicker-stem Buckwheat (1)
Eriogonum vimineum
Wild Turkey (4)
Meleagris gallopavo
Wolf Lichen (3)
Letharia vulpina
Woolly Bird’s-foot Trefoil (2)
Hosackia incana
Woolly-leaf Whitethorn (3)
Ceanothus tomentosus
Yellow Star-thistle (1)
Centaurea solstitialis
Yellow-and-white Monkeyflower (2)
Erythranthe bicolor
Yellow-rumped Warbler (1)
Setophaga coronata
Yellow-staining Milk Cap (1)
Lactarius xanthogalactus
Yellow-star Mariposa Lily (15)
Calochortus monophyllus
a fungus (1)
Leucopaxillus albissimus
a fungus (1)
Marasmius plicatulus
a fungus (1)
Mitrula elegans
a fungus (1)
Morchella brunnea
a fungus (1)
Morchella snyderi
a fungus (1)
Panellus stipticus
a fungus (1)
Peniophora albobadia
a fungus (1)
Perrotia flammea
a fungus (1)
Clitocybe glacialis
a fungus (1)
Pholiota molesta
a fungus (1)
Ciboria rufofusca
a fungus (1)
Psathyrella ammophila
a fungus (2)
Psathyrella pennata
a fungus (1)
Chloroscypha alutipes
a fungus (1)
Pulvinula archeri
a fungus (2)
Stropharia ambigua
a fungus (1)
Capitotricha bicolor
a fungus (2)
Suillus fuscotomentosus
a fungus (1)
Suillus pseudobrevipes
a fungus (1)
Caloscypha fulgens
a fungus (1)
Turbinellus kauffmanii
a fungus (2)
Calbovista subsculpta
a fungus (1)
Athelia bombacina
a fungus (1)
Neolentinus ponderosus
a fungus (1)
Gyromitra splendida
a fungus (1)
Guepiniopsis alpina
a fungus (2)
Helvella vespertina
a fungus (1)
Ephemerocybe angulata
a fungus (2)
Entoloma undatum
a fungus (1)
Entoloma separatum
a fungus (1)
Laccaria amethysteo-occidentalis
a fungus (1)
Entoloma rectangulum
a fungus (1)
Lactarius occidentalis
a fungus (2)
Entoloma foliocontusum
a terrestrial slug (4)
Ariolimax buttoni
blue dicks (1)
Dipterostemon capitatus
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.

California Red-legged Frog
Rana draytoniiThreatened
Sierra Nevada Yellow-legged Frog
Rana sierraeEndangered
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
Other Species of Concern (17)

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 Spotted Owl
Strix occidentalis occidentalis
California Thrasher
Toxostoma redivivum
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
Oak Titmouse
Baeolophus inornatus
Olive-sided Flycatcher
Contopus cooperi
Willet
Tringa semipalmata
Wrentit
Chamaea fasciata
Migratory Birds of Conservation Concern (16)

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 Thrasher
Toxostoma redivivum
Calliope Hummingbird
Selasphorus calliope
Cassin's Finch
Haemorhous cassinii
Evening Grosbeak
Coccothraustes vespertinus
Golden Eagle
Aquila chrysaetos
Hermit Warbler
Setophaga occidentalis
Oak Titmouse
Baeolophus inornatus
Olive-sided Flycatcher
Contopus cooperi
Spotted Owl
Strix occidentalis
Willet
Tringa semipalmata
Wrentit
Chamaea fasciata
Vegetation (8)

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

California Chaparral
Shrub / Shrubland · 1,212 ha
GNR26.6%
California Mixed Conifer Forest
Tree / Conifer · 926 ha
GNR20.4%
California Mixed Conifer Forest
Tree / Conifer · 743 ha
GNR16.3%
GNR11.6%
California Ruderal Grassland and Meadow
Herb / Exotic Herbaceous · 319 ha
7.0%
GNR6.2%
California Mountain Chaparral
Shrub / Shrubland · 243 ha
GNR5.3%
California Foothill Mixed Oak Woodland
Tree / Hardwood · 172 ha
GNR3.8%

North Fork Middle Fork American River

North Fork Middle Fork American River Roadless Area

Tahoe National Forest, California · 11,245 acres