Castle Crags A

Shasta-Trinity National Forest · California · 113 acres · RoadlessArea Rule (2001)
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Observed Species (427)

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

Whitebark Pine (1)
Pinus albicaulisThreatened
(1)
Brodiaea rosea
(1)
Gymnotelium blasdaleanum
(7)
Calliscirpus criniger
(1)
Agaricus moronii
(1)
Cortinarius sp. 'PNW74'
(1)
Cortinarius bridgei
Aleutian Maidenhair Fern (6)
Adiantum aleuticum
Alpine Gentian (1)
Gentiana newberryi
American Alpine Ladyfern (1)
Athyrium americanum
American Bird's-foot-trefoil (2)
Acmispon americanus
American Bistort (8)
Bistorta bistortoides
American Black Bear (4)
Ursus americanus
American Robin (2)
Turdus migratorius
American Rockbrake (4)
Cryptogramma acrostichoides
American Trailplant (2)
Adenocaulon bicolor
Anderson's Aster (1)
Oreostemma alpigenum
Aquatic Gartersnake (1)
Thamnophis atratus
Arrow-leaf Groundsel (3)
Senecio triangularis
Baker's Violet (1)
Viola bakeri
Bald Eagle (1)
Haliaeetus leucocephalusDL
Beavertail Mariposa Lily (9)
Calochortus coeruleus
Belted Kingfisher (1)
Megaceryle alcyon
Big Manzanita (1)
Arctostaphylos manzanita
Bigelow's Sneezeweed (6)
Helenium bigelovii
Bigleaf Maple (2)
Acer macrophyllum
Bitter Cherry (7)
Prunus emarginata
Bitter Lettuce (1)
Lactuca virosa
Blackfoot Paxillus (1)
Tapinella atrotomentosa
Blue-green Anise Mushroom (1)
Collybia odora
Bog Bird's-foot-trefoil (1)
Hosackia pinnata
Bolander's Tarweed (1)
Kyhosia bolanderi
Bracken Fern (3)
Pteridium aquilinum
Brain Mushroom (2)
Gyromitra esculenta
Brewer's Blackbird (1)
Euphagus cyanocephalus
Brewer's Golden-aster (2)
Doellingeria breweri
Brewer's Monkeyflower (8)
Erythranthe breweri
Brewer's Spruce (7)
Picea breweriana
Brook Trout (1)
Salvelinus fontinalis
Brown Creeper (1)
Certhia americana
Burke's Lupine (1)
Lupinus burkei
Bushy-tailed Woodrat (1)
Neotoma cinerea
California Black Oak (4)
Quercus kelloggii
California Blue-eyed-grass (3)
Sisyrinchium bellum
California Bog Asphodel (2)
Narthecium californicum
California Groundcone (6)
Kopsiopsis strobilacea
California Harebell (9)
Smithiastrum prenanthoides
California Lady's-slipper (2)
Cypripedium californicum
California Mountain-ash (1)
Sorbus californica
California Pitcherplant (32)
Darlingtonia californica
California Poppy (1)
Eschscholzia californica
California Rayless Fleabane (1)
Erigeron inornatus
California Red Fir (15)
Abies magnifica
California Rockrose (2)
Helianthella californica
California Waterleaf (3)
Hydrophyllum occidentale
California Yerba Santa (1)
Eriodictyon californicum
Californian False Hellebore (5)
Veratrum californicum
Canyon Live Oak (4)
Quercus chrysolepis
Capitate Sandwort (3)
Eremogone congesta
Cascade Rockbrake (1)
Cryptogramma cascadensis
Cascade Sedge (2)
Carex scabriuscula
Cascades Frog (9)
Rana cascadae
Cascara False Buckthorn (1)
Frangula purshiana
Castle Crags Harebell (1)
Campanula shetleri
Castle Crags Ivesia (3)
Ivesia longibracteata
Castle Creek Pebblesnail (1)
Fluminicola scopulinus
Castle Lake Bedstraw (1)
Galium glabrescens
Cedar Waxwing (1)
Bombycilla cedrorum
Chickweed Monkeyflower (1)
Erythranthe alsinoides
Chipping Sparrow (1)
Spizella passerina
Cliff Beardtongue (3)
Penstemon rupicola
Cliff Fleabane (3)
Erigeron petrophilus
Coastal Giant Salamander (4)
Dicamptodon tenebrosus
Cobwebby Indian-paintbrush (7)
Castilleja arachnoidea
Columbian Monkshood (5)
Aconitum columbianum
Columbian Windflower (1)
Anemonastrum deltoideum
Common Dandelion (1)
Taraxacum officinale
Common Gartersnake (5)
Thamnophis sirtalis
Common Goat's-beard (1)
Aruncus dioicus
Common Merganser (4)
Mergus merganser
Common Mullein (1)
Verbascum thapsus
Common Raven (1)
Corvus corax
Common Sagebrush Lizard (12)
Sceloporus graciosus
Common St. John's-wort (1)
Hypericum perforatum
Common Wintergreen (24)
Chimaphila umbellata
Common Woolly-sunflower (4)
Eriophyllum lanatum
Common Yarrow (6)
Achillea millefolium
Congdon's Buckwheat (1)
Eriogonum congdonii
Conifer Mazegill (1)
Gloeophyllum sepiarium
Cooper's Hawk (1)
Astur cooperii
Copeland's Speedwell (1)
Veronica copelandii
Cow-parsnip (1)
Heracleum maximum
Creeping Beardtongue (2)
Penstemon davidsonii
Dark-eyed Junco (4)
Junco hyemalis
Davis' knotweed (4)
Koenigia davisiae
Deerbrush (2)
Ceanothus integerrimus
Delicate Spikerush (1)
Eleocharis bella
Dense Lace Fern (18)
Aspidotis densa
Double Honeysuckle (12)
Lonicera conjugialis
Douglas' Spiraea (43)
Spiraea douglasii
Douglas' Squirrel (6)
Tamiasciurus douglasii
Douglas' Thistle (5)
Cirsium douglasii
Douglas's Ground Squirrel (2)
Otospermophilus douglasii
Douglas-fir (3)
Pseudotsuga menziesii
Drummond's Anemone (4)
Anemone drummondii
Dwarf Hulsea (9)
Hulsea nana
Dyer's Woad (1)
Isatis tinctoria
Emery Rocktripe Lichen (3)
Umbilicaria phaea
Entireleaf Ragwort (4)
Senecio integerrimus
Evergreen Blackberry (1)
Rubus laciniatus
Fairy Slipper (1)
Calypso bulbosa
False Tarantula (1)
Calisoga longitarsis
Few-flower Bleedinghearts (31)
Dicentra pauciflora
Few-flowered Oatgrass (2)
Danthonia unispicata
Fireweed (15)
Chamaenerion angustifolium
Flaky Waxy Cap (1)
Hygrophorus chrysodon
Foothill Beardtongue (1)
Penstemon heterophyllus
Fox Sparrow (6)
Passerella iliaca
Fragile Fern (1)
Cystopteris fragilis
Fremont's Silktassel (1)
Garrya fremontii
Giant Chainfern (2)
Woodwardia fimbriata
Giant Horsetail (1)
Equisetum telmateia
Giant Pinedrops (7)
Pterospora andromedea
Giant Rattlesnake-plantain (5)
Goodyera oblongifolia
Glandular Labrador-tea (3)
Rhododendron columbianum
Goldback Fern (1)
Pentagramma triangularis
Golden Triteleia (34)
Triteleia ixioides
Golden-mantled Ground Squirrel (1)
Callospermophilus lateralis
Goldenrod Crab Spider (4)
Misumena vatia
Gophersnake (1)
Pituophis catenifer
Graceful Cinquefoil (1)
Potentilla gracilis
Gray's anemone (1)
Anemonoides grayi
Greater Red Indian-paintbrush (9)
Castilleja miniata
Green Nightshade (1)
Solanum nitidibaccatum
Green-tailed Towhee (5)
Pipilo chlorurus
Greenleaf Manzanita (16)
Arctostaphylos patula
Hairy Woodpecker (1)
Leuconotopicus villosus
Hartweg's Wild Ginger (6)
Asarum hartwegii
Hooker's Mandarin (1)
Prosartes hookeri
Howell's Whitlow-grass (1)
Draba howellii
Huckleberry Oak (23)
Quercus vacciniifolia
Incense Cedar (9)
Calocedrus decurrens
Indian Warrior (17)
Pedicularis densiflora
Jeffrey's Pine (3)
Pinus jeffreyi
Jelly Tooth (2)
Pseudohydnum gelatinosum
Kierstead's Stonecrop (37)
Sedum kiersteadiae
Klamath Fawnlily (14)
Erythronium klamathense
Knobcone Pine (2)
Pinus attenuata
Koch's Wolf Spider (1)
Alopecosa kochi
Lace Lipfern (30)
Myriopteris gracillima
Lanceleaf Springbeauty (1)
Claytonia lanceolata
Large-flower Collomia (3)
Collomia grandiflora
Large-fruit Desert-parsley (2)
Lomatium macrocarpum
Largeleaf Pondweed (1)
Potamogeton amplifolius
Layne's Monkeyflower (9)
Diplacus layneae
Leafless wintergreen (2)
Pyrola aphylla
Lee's Bitterroot (47)
Lewisia leeana
Lemmon's Catchfly (7)
Silene lemmonii
Leopard Lily (27)
Lilium pardalinum
Lewis's Woodpecker (1)
Melanerpes lewis
Little Elephant's-head (7)
Pedicularis attollens
Live Oak Erineum Mite (1)
Aceria mackiei
Lobb's Buckwheat (1)
Eriogonum lobbii
Lobb's Fiddleleaf (4)
Nama lobbii
Lodgepole Pine (12)
Pinus contorta
Long-eared Chipmunk (1)
Neotamias quadrimaculatus
Long-stalk Clover (10)
Trifolium longipes
Long-tailed Weasel (1)
Neogale frenata
Long-tube Iris (9)
Iris tenuissima
Longleaf Oregon-grape (1)
Berberis nervosa
Longtail Wild Ginger (1)
Asarum caudatum
Low Mountain Bedstraw (1)
Galium bifolium
MacGillivray's Warbler (3)
Geothlypis tolmiei
Mahala-mat Ceanothus (10)
Ceanothus prostratus
Mallard (29)
Anas platyrhynchos
Many-flower Snakelily (3)
Dichelostemma multiflorum
Marsh Grass-of-Parnassus (4)
Parnassia palustris
Marumleaf Buckwheat (2)
Eriogonum marifolium
Meadow Goat's-beard (1)
Tragopogon dubius
Menzies' Wintergreen (3)
Chimaphila menziesii
Merriam's Alumroot (3)
Heuchera merriamii
Mertens' Coralroot (3)
Corallorhiza mertensiana
Midnight Entoloma (1)
Entoloma medianox
Milky Kelloggia (5)
Kelloggia galioides
Mount Eddy Lupine (15)
Lupinus croceus
Mountain Brookfoam (12)
Boykinia major
Mountain Chickadee (5)
Poecile gambeli
Mountain Hemlock (9)
Tsuga mertensiana
Mountain Holly Fern (2)
Polystichum scopulinum
Mountain Maple (18)
Acer glabrum
Mountain Pennycress (3)
Noccaea fendleri
Mountain Whitethorn (6)
Ceanothus cordulatus
Mountain Wildmint (4)
Monardella odoratissima
Mule Deer (3)
Odocoileus hemionus
Musk Monkeyflower (2)
Erythranthe moschata
Naked Mariposa Lily (3)
Calochortus nudus
Narrowleaf Swordfern (5)
Polystichum imbricans
Nashville Warbler (1)
Leiothlypis ruficapilla
Netted Specklebelly (1)
Lobaria anomala
Newberry's Beardtongue (11)
Penstemon newberryi
Northern Alligator Lizard (7)
Elgaria coerulea
Northern Flicker (3)
Colaptes auratus
Northern Red Belt (2)
Fomitopsis mounceae
Northern Scorpion (1)
Paruroctonus boreus
Northern Yellow Warbler (2)
Setophaga aestiva
Northwestern Pond Turtle (1)
Actinemys marmorataProposed Threatened
Nuttall's Toothwort (1)
Cardamine nuttallii
Oceanspray (1)
Holodiscus discolor
Ojai Fritillary (1)
Fritillaria affinis
Olive-sided Flycatcher (2)
Contopus cooperi
One-flower Bleedinghearts (3)
Dicentra uniflora
One-seed Pussy-paws (10)
Calyptridium monospermum
One-sided Wintergreen (3)
Orthilia secunda
Oregon Ash (1)
Fraxinus latifolia
Oregon Boxleaf (2)
Paxistima myrsinites
Oregon Checker-mallow (2)
Sidalcea oregana
Oregon White Oak (2)
Quercus garryana
Pacific Bleedingheart (2)
Dicentra formosa
Pacific Dogwood (20)
Cornus nuttallii
Pacific Mistletoe (1)
Phoradendron villosum
Pacific Ninebark (20)
Physocarpus capitatus
Pacific Stonecrop (11)
Sedum spathulifolium
Pacific Treefrog (6)
Pseudacris regilla
Pacific Twistflower (1)
Streptanthus barbatus
Pacific Yew (5)
Taxus brevifolia
Parish's Yampah (1)
Perideridia parishii
Pearly Everlasting (3)
Anaphalis margaritacea
Peregrine Falcon (1)
Falco peregrinus
Perennial Pea (2)
Lathyrus latifolius
Phantom Orchid (9)
Cephalanthera austiniae
Pileated Woodpecker (1)
Dryocopus pileatus
Pine Violet (9)
Viola lobata
Pine Violet (2)
Viola purpurea
Pinemat Manzanita (13)
Arctostaphylos nevadensis
Pinewoods Pussytoes (1)
Antennaria geyeri
Pink Alumroot (1)
Heuchera rubescens
Pink Mountain-heath (12)
Phyllodoce empetriformis
Pink Stickseed (6)
Hackelia mundula
Ponderosa Pine (1)
Pinus ponderosa
Port Orford-cedar (20)
Chamaecyparis lawsoniana
Prairie Flax (3)
Linum lewisii
Primrose Monkeyflower (4)
Erythranthe primuloides
Primrose Monkeyflower (5)
Erythranthe linearifolia
Pulsifer's Monkeyflower (2)
Erythranthe pulsiferae
Purple Black-snakeroot (1)
Sanicula bipinnatifida
Purple Green-gentian (1)
Frasera albicaulis
Purple Milkweed (2)
Asclepias cordifolia
Purple Missionbells (21)
Fritillaria atropurpurea
Queen Bolete (1)
Boletus regineus
Rainbow Trout or Steelhead (2)
Oncorhynchus mykiss
Rayless Arnica (1)
Arnica discoidea
Red Larkspur (2)
Delphinium nudicaule
Red-breasted Nuthatch (3)
Sitta canadensis
Red-osier Dogwood (4)
Cornus sericea
Red-stem Springbeauty (1)
Claytonia rubra
Red-tailed Hawk (3)
Buteo jamaicensis
Redhead Russula (1)
Russula rhodocephala
Rock Wren (1)
Salpinctes obsoletus
Rocky Mountain Maple Felt Mite (1)
Aceria calaceris
Rose Campion (1)
Silene coronaria
Rose Meadowsweet (25)
Spiraea splendens
Rosy Pussytoes (1)
Antennaria rosea
Rough Harebell (4)
Campanula scabrella
Rough-skinned Newt (4)
Taricha granulosa
Roughleaf Aster (1)
Eurybia radulina
Roundleaf Sundew (1)
Drosera rotundifolia
Rubber Boa (6)
Charina bottae
Rusty-hair Saxifrage (1)
Micranthes ferruginea
Sand Violet (2)
Viola adunca
Sandhill Crane (1)
Antigone canadensis
Scaly Vase Chanterelle (1)
Turbinellus floccosus
Scarlet Skyrocket (2)
Ipomopsis aggregata
Scott Mountain Phacelia (2)
Phacelia dalesiana
Scouler's Bellflower (1)
Campanula scouleri
Sedge-leaf Whitethorn (2)
Ceanothus cuneatus
Segmented Luetkea (8)
Luetkea pectinata
Self-heal (6)
Prunella vulgaris
Serpentine Spring Beauty (2)
Claytonia serpenticola
Shaggy Mane (2)
Coprinus comatus
Sharp-shinned Hawk (1)
Accipiter striatus
Shasta Black Salamander (2)
Aneides iecanus
Shasta Pincushion (2)
Chaenactis suffrutescens
Shelton's Violet (2)
Viola sheltonii
Short Stalk Penstemon (4)
Penstemon parvulus
Short-pod Thelypody (1)
Thelypodium brachycarpum
Short-stem Russula (1)
Russula brevipes
Showy Jacob's-ladder (1)
Polemonium pulcherrimum
Showy Milkweed (2)
Asclepias speciosa
Showy Phlox (4)
Phlox speciosa
Showy Raillardella (3)
Raillardella pringlei
Sierra Bindweed (2)
Calystegia malacophylla
Sierra Chinquapin (4)
Chrysolepis sempervirens
Sierra Cliffbrake (4)
Pellaea brachyptera
Sierra Currant (6)
Ribes nevadense
Sierra Gooseberry (6)
Ribes roezlii
Sierra Jewelflower (11)
Streptanthus tortuosus
Sierra Milkwort (1)
Rhinotropis cornuta
Signal Crayfish (3)
Pacifastacus leniusculus
Silky Balsamroot (5)
Balsamorhiza sericea
Single-flowered Clintonia (1)
Clintonia uniflora
Siskiyou Buckwheat (3)
Eriogonum siskiyouense
Siskiyou Mountain Woodland-star (2)
Lithophragma campanulatum
Siskiyou Willowherb (5)
Epilobium siskiyouense
Sitka Mountain-ash (1)
Sorbus sitchensis
Sky-blue Beardtongue (1)
Penstemon azureus
Slim-stem Beardtongue (1)
Penstemon gracilentus
Small-leaf Monkeyflower (2)
Erythranthe microphylla
Smoky Puffball (1)
Handkea fumosa
Smooth Thimble Mushroom (1)
Verpa conica
Smooth White Violet (1)
Viola macloskeyi
Soft-haired Snowberry (1)
Symphoricarpos mollis
Solomon's-plume (12)
Maianthemum racemosum
Sooty Grouse (6)
Dendragapus fuliginosus
Southern Alligator Lizard (1)
Elgaria multicarinata
Spotted Coralroot (5)
Corallorhiza maculata
Spreading Dogbane (8)
Apocynum androsaemifolium
Spreading Phlox (12)
Phlox diffusa
Spring Coccora (1)
Amanita vernicoccora
Starflower Solomon's-plume (5)
Maianthemum stellatum
Steller's Jay (12)
Cyanocitta stelleri
Sticky False Starwort (9)
Pseudostellaria jamesiana
Sticky Gooseberry (1)
Ribes viscosissimum
Stream Trefoil (3)
Hosackia oblongifolia
Stretch Spiders (1)
Tetragnatha
Subarctic Ladyfern (2)
Athyrium filix-femina
Sugar Pine (5)
Pinus lambertiana
Sugarstick (9)
Allotropa virgata
Sulphur-flower Buckwheat (4)
Eriogonum umbellatum
Sunshine Amanita (1)
Amanita aprica
Tall Swamp Onion (3)
Allium validum
Tall White Bog Orchid (13)
Platanthera dilatata
Terrestrial Gartersnake (2)
Thamnophis elegans
Thickleaf Bird's-foot-trefoil (6)
Hosackia crassifolia
Thimbleberry (11)
Rubus parviflorus
Three-leaf Bitterroot (3)
Lewisia triphylla
Three-tooth Oceanspray (5)
Horkelia tridentata
Thymeleaf Speedwell (1)
Veronica serpyllifolia
Tinker's-penny (6)
Hypericum anagalloides
Tobacco Ceanothus (8)
Ceanothus velutinus
Tolmie's Mariposa Lily (1)
Calochortus tolmiei
Torrey's Blue-eyed Mary (1)
Collinsia torreyi
Townsend's Solitaire (3)
Myadestes townsendi
Trinity Buckwheat (4)
Eriogonum alpinum
Turkey Vulture (1)
Cathartes aura
Twinflower (3)
Linnaea borealis
Umbrella Plant (8)
Darmera peltata
Utah Crab Spider (1)
Bassaniana utahensis
Utah Serviceberry (1)
Amelanchier utahensis
Veiled Polypore (4)
Cryptoporus volvatus
Violet-green Swallow (1)
Tachycineta thalassina
Wapiti (1)
Cervus canadensis
Washington Lily (3)
Lilium washingtonianum
Water Puffball (2)
Lycoperdon perlatum
Wavyleaf Indian-paintbrush (1)
Castilleja applegatei
Waxy Checker-mallow (3)
Sidalcea glaucescens
Wedge-leaf Violet (3)
Viola cuneata
Western Azalea (50)
Rhododendron occidentale
Western Bell-heather (1)
Cassiope mertensiana
Western Black-legged Tick (1)
Ixodes pacificus
Western Columbine (23)
Aquilegia formosa
Western Doghobble (13)
Leucothoe davisiae
Western False Asphodel (4)
Triantha occidentalis
Western Fence Lizard (2)
Sceloporus occidentalis
Western Joepye-weed (7)
Ageratina occidentalis
Western Juniper (4)
Juniperus occidentalis
Western Ladies'-tresses (2)
Spiranthes porrifolia
Western Mountain Aster (2)
Symphyotrichum spathulatum
Western Painted Suillus (1)
Suillus lakei
Western Pasqueflower (2)
Pulsatilla occidentalis
Western Peony (1)
Paeonia brownii
Western Poison-oak (1)
Toxicodendron diversilobum
Western Rattlesnake (8)
Crotalus oreganus
Western St. John's-wort (4)
Hypericum scouleri
Western Turkeybeard (23)
Xerophyllum tenax
Western Wallflower (1)
Erysimum capitatum
Western White Pine (16)
Pinus monticola
Whiskered Jelly Lichen (1)
Leptochidium albociliatum
White Fir (8)
Abies concolor
White Rushlily (7)
Hastingsia alba
White Triteleia (10)
Triteleia hyacinthina
White-crowned Sparrow (1)
Zonotrichia leucophrys
White-flower Hawkweed (1)
Hieracium albiflorum
White-headed Woodpecker (3)
Leuconotopicus albolarvatus
White-stem Raspberry (2)
Rubus leucodermis
White-veined Wintergreen (4)
Pyrola picta
Whiteleaf Manzanita (5)
Arctostaphylos viscida
Wild Turkey (1)
Meleagris gallopavo
Wilson's Warbler (1)
Cardellina pusilla
Witch's Butter (1)
Tremella mesenterica
Wolf Lichen (2)
Letharia vulpina
Wood Beauty (1)
Drymocallis lactea
Wood Rose (3)
Rosa gymnocarpa
Woods' Rose (5)
Rosa woodsii
Woolly Angelica (2)
Angelica tomentosa
Yellow Coral Mushroom (1)
Ramaria rasilispora
Yellow Triteleia (13)
Triteleia crocea
Yellow-rumped Warbler (3)
Setophaga coronata
a fungus (1)
Stropharia ambigua
a fungus (1)
Amanita pantherinoides
a fungus (1)
Auricularia americana
a fungus (1)
Boletopsis grisea
a fungus (1)
Boletus rex-veris
a fungus (1)
Calbovista subsculpta
a fungus (9)
Caloscypha fulgens
a fungus (1)
Capitotricha bicolor
a fungus (5)
Clitocybe glacialis
a fungus (1)
Dacrymyces chrysospermus
a fungus (2)
Deconica montana
a fungus (1)
Entoloma holoconiotum
a fungus (1)
Floccularia albolanaripes
a fungus (2)
Ganoderma oregonense
a fungus (2)
Guepiniopsis alpina
a fungus (1)
Henningsomyces candidus
a fungus (1)
Lepiota magnispora
a fungus (1)
Leucopaxillus gentianeus
a fungus (4)
Maublancomyces montanus
a fungus (3)
Morchella snyderi
a fungus (2)
Neolentinus ponderosus
a fungus (1)
Omphalotus olivascens
a fungus (1)
Phaeocollybia californica
a fungus (1)
Sclerotinia veratri
a fungus (1)
Suillus fuscotomentosus
a fungus (1)
Tricholoma murrillianum
a fungus (1)
Tricholoma vernaticum
a jumping spider (1)
Habronattus jucundus
insect-egg slime (1)
Leocarpus fragilis
Federally Listed Species (12)

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
Franklin Bumble Bee
Bombus frankliniEndangered
Northern Spotted Owl
Strix occidentalis caurinaThreatened
Vernal Pool Fairy Shrimp
Branchinecta lynchiThreatened
Vernal Pool Tadpole Shrimp
Lepidurus packardiEndangered
Whitebark Pine
Pinus albicaulisThreatened
California Condor
Gymnogyps californianusE, XN
Monarch
Danaus plexippusProposed Threatened
North American Wolverine
Gulo gulo luscus
Northwestern Pond Turtle
Actinemys marmorataProposed Threatened
Suckley's Cuckoo Bumble Bee
Bombus suckleyiProposed Endangered
Yellow-billed Cuckoo
Coccyzus americanus
Other Species of Concern (14)

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

Bald Eagle
Haliaeetus leucocephalus
California Gull
Larus californicus
Cassin's Finch
Haemorhous cassinii
Chestnut-backed Chickadee
Poecile rufescens rufescens
Clark's Grebe
Aechmophorus clarkii
Evening Grosbeak
Coccothraustes vespertinus
Golden Eagle
Aquila chrysaetos
Lesser Yellowlegs
Tringa flavipes
Oak Titmouse
Baeolophus inornatus
Olive-sided Flycatcher
Contopus cooperi
Rufous Hummingbird
Selasphorus rufus
Western Grebe
Aechmophorus occidentalis
Willet
Tringa semipalmata
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.

Bald Eagle
Haliaeetus leucocephalus
California Gull
Larus californicus
Cassin's Finch
Haemorhous cassinii
Chestnut-backed Chickadee
Poecile rufescens
Clark's Grebe
Aechmophorus clarkii
Evening Grosbeak
Coccothraustes vespertinus
Golden Eagle
Aquila chrysaetos
Lesser Yellowlegs
Tringa flavipes
Oak Titmouse
Baeolophus inornatus
Olive-sided Flycatcher
Contopus cooperi
Rufous Hummingbird
Selasphorus rufus
Western Grebe
Aechmophorus occidentalis
Willet
Tringa semipalmata
Wrentit
Chamaea fasciata
Vegetation (2)

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

California Mixed Conifer Forest
Tree / Conifer · 40 ha
GNR86.8%
California Red Fir Forest
Tree / Conifer · 6 ha
GNR12.2%

Castle Crags A

Castle Crags A Roadless Area

Shasta-Trinity National Forest, California · 113 acres