Poison Hole

Eldorado National Forest · California · 2,627 acres · RoadlessArea Rule (2001)
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Observed Species (168)

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

Sierra Nevada Yellow-legged Frog (1)
Rana sierraeEndangered
(1)
Badhamia albescens
(1)
Lamproderma arcyrioides
(1)
Calochortus minimus × nudus
Alpine Blueberry (1)
Vaccinium uliginosum
Alpine Shootingstar (2)
Primula tetrandra
American Robin (1)
Turdus migratorius
American Rockbrake (2)
Cryptogramma acrostichoides
Anderson's Thistle (4)
Cirsium andersonii
Bald Eagle (3)
Haliaeetus leucocephalusDL
Beavertail Mariposa Lily (1)
Calochortus coeruleus
Big Western Juniper (3)
Juniperus grandis
Bitter Cherry (2)
Prunus emarginata
Black-backed Woodpecker (1)
Picoides arcticus
Blunt Stonecrop (15)
Sedum obtusatum
Bracken Fern (5)
Pteridium aquilinum
Brewer's Blackbird (1)
Euphagus cyanocephalus
Brewer's Golden-aster (2)
Doellingeria breweri
Brewer's Monkeyflower (5)
Erythranthe breweri
Bridges' Cliffbrake (5)
Pellaea bridgesii
Broad Wrinkle Lichen (1)
Tuckermanopsis platyphylla
California Black Oak (1)
Quercus kelloggii
California Blushing Monkeyflower (1)
Erythranthe erubescens
California Polemonium (1)
Polemonium californicum
California Red Fir (2)
Abies magnifica
Californian False Hellebore (8)
Veratrum californicum
Calyx-nose Monkeyflower (1)
Erythranthe nasuta
Canada Goose (6)
Branta canadensis
Canyon Bog Orchid (5)
Platanthera sparsiflora
Clark's Nutcracker (1)
Nucifraga columbiana
Common Gartersnake (11)
Thamnophis sirtalis
Common Merganser (6)
Mergus merganser
Common Mullein (3)
Verbascum thapsus
Common Nighthawk (1)
Chordeiles minor
Common Sagebrush Lizard (3)
Sceloporus graciosus
Cow-parsnip (1)
Heracleum maximum
Dark-eyed Junco (1)
Junco hyemalis
Davis' knotweed (1)
Koenigia davisiae
Double Honeysuckle (4)
Lonicera conjugialis
Double-crested Cormorant (1)
Nannopterum auritum
Douglas' Campion (1)
Silene douglasii
Douglas' Squirrel (1)
Tamiasciurus douglasii
Eared Grebe (1)
Podiceps nigricollis
English Plantain (2)
Plantago lanceolata
Entireleaf Ragwort (2)
Senecio integerrimus
Fireweed (13)
Chamaenerion angustifolium
Floating Pondweed (1)
Potamogeton natans
Fly Amanita (1)
Amanita muscaria
Giant Pinedrops (14)
Pterospora andromedea
Giant Rattlesnake-plantain (1)
Goodyera oblongifolia
Glandular Labrador-tea (2)
Rhododendron columbianum
Golden Triteleia (8)
Triteleia ixioides
Greater Red Indian-paintbrush (2)
Castilleja miniata
Green-tailed Towhee (3)
Pipilo chlorurus
Greenleaf Manzanita (5)
Arctostaphylos patula
Hermit Warbler (2)
Setophaga occidentalis
Hooded Ladies'-tresses (1)
Spiranthes romanzoffiana
Huckleberry Oak (11)
Quercus vacciniifolia
Incense Cedar (1)
Calocedrus decurrens
Jeffrey's Pine (2)
Pinus jeffreyi
King's Sandwort (2)
Eremogone kingii
Lace Lipfern (1)
Myriopteris gracillima
Leichtlin's Mariposa Lily (26)
Calochortus leichtlinii
Lodgepole Pine (1)
Pinus contorta
Long-eared Chipmunk (1)
Neotamias quadrimaculatus
Long-toed Salamander (1)
Ambystoma macrodactylum
Mahala-mat Ceanothus (1)
Ceanothus prostratus
Menzies' Wintergreen (3)
Chimaphila menziesii
Mountain Bluebird (1)
Sialia currucoides
Mountain Chickadee (4)
Poecile gambeli
Mountain Maple (1)
Acer glabrum
Mountain Quail (1)
Oreortyx pictus
Mountain Whitethorn (1)
Ceanothus cordulatus
Mountain Wildmint (5)
Monardella odoratissima
Mouse-tail Ivesia (3)
Ivesia santolinoides
Mule Deer (1)
Odocoileus hemionus
Musk Monkeyflower (5)
Erythranthe moschata
Naked Buckwheat (1)
Eriogonum nudum
Naked Mariposa Lily (1)
Calochortus nudus
Nettle-leaf Giant-hyssop (1)
Agastache urticifolia
Newberry's Beardtongue (15)
Penstemon newberryi
Northern Adder's-tongue (1)
Ophioglossum pusillum
Northern Flicker (1)
Colaptes auratus
Olive-sided Flycatcher (1)
Contopus cooperi
One-flower Bleedinghearts (1)
Dicentra uniflora
One-seed Pussy-paws (18)
Calyptridium monospermum
One-sided Wintergreen (4)
Orthilia secunda
Orange Moss Agaric (1)
Rickenella fibula
Osprey (1)
Pandion haliaetus
Pacific Treefrog (4)
Pseudacris regilla
Pinemat Manzanita (4)
Arctostaphylos nevadensis
Pinewoods Lousewort (3)
Pedicularis semibarbata
Ponderosa Pine (1)
Pinus ponderosa
Primrose Monkeyflower (1)
Erythranthe primuloides
Quick's Scorpionweed (2)
Phacelia quickii
Rainbow Trout or Steelhead (2)
Oncorhynchus mykiss
Red-breasted Nuthatch (3)
Sitta canadensis
Rose Meadowsweet (23)
Spiraea splendens
Roundleaf Sundew (1)
Drosera rotundifolia
Royal Beardtongue (1)
Penstemon speciosus
Rubber Boa (1)
Charina bottae
Ruby-crowned Kinglet (1)
Corthylio calendula
Sculpted Puffball (2)
Calvatia sculpta
Shaggy Mane (1)
Coprinus comatus
Shelton's Violet (1)
Viola sheltonii
Sierra Beardtongue (1)
Penstemon heterodoxus
Sierra Currant (1)
Ribes nevadense
Sierra Gartersnake (5)
Thamnophis couchii
Sierra Jewelflower (7)
Streptanthus tortuosus
Sierra Mariposa Lily (17)
Calochortus minimus
Sierra Monkeyflower (2)
Diplacus leptaleus
Sierra Onion (4)
Allium campanulatum
Signal Crayfish (1)
Pacifastacus leniusculus
Small Scaly Clitocybe (1)
Infundibulicybe squamulosa
Small Tiger Lily (5)
Lilium parvum
Smooth White Violet (7)
Viola macloskeyi
Snowplant (3)
Sarcodes sanguinea
Soft-haired Snowberry (1)
Symphoricarpos mollis
Solomon's-plume (6)
Maianthemum racemosum
Spotted Sandpiper (1)
Actitis macularius
Spreading Dogbane (4)
Apocynum androsaemifolium
Spreading Phlox (5)
Phlox diffusa
Starry Ladies'-Tresses (1)
Spiranthes × stellata
Steller's Jay (2)
Cyanocitta stelleri
Sticky Gooseberry (1)
Ribes viscosissimum
Stream Trefoil (2)
Hosackia oblongifolia
Striped Coralroot (1)
Corallorhiza striata
Subalpine Fleabane (1)
Erigeron glacialis
Sugarstick (1)
Allotropa virgata
Sulphur-flower Buckwheat (2)
Eriogonum umbellatum
Terrestrial Gartersnake (3)
Thamnophis elegans
Thick-stem Aster (2)
Eurybia integrifolia
Thickleaf Bird's-foot-trefoil (2)
Hosackia crassifolia
Thimbleberry (5)
Rubus parviflorus
Three-leaf Bitterroot (1)
Lewisia triphylla
Torrey's Monkeyflower (7)
Diplacus torreyi
Turkey Vulture (1)
Cathartes aura
Upland Larkspur (1)
Delphinium nuttallianum
Veiled Polypore (7)
Cryptoporus volvatus
Wavyleaf Indian-paintbrush (1)
Castilleja applegatei
Waxy Checker-mallow (3)
Sidalcea glaucescens
Wedge-leaf Goldenweed (1)
Ericameria cuneata
Western Bell-heather (1)
Cassiope mertensiana
Western Columbine (11)
Aquilegia formosa
Western Dwarf-mistletoe (1)
Arceuthobium campylopodum
Western Fence Lizard (7)
Sceloporus occidentalis
Western Gray Beardtongue (2)
Penstemon laetus
Western Joepye-weed (1)
Ageratina occidentalis
Western Pasqueflower (1)
Pulsatilla occidentalis
Western Rattlesnake (1)
Crotalus oreganus
Western Tanager (3)
Piranga ludoviciana
Western Toad (10)
Anaxyrus boreas
Western White Pine (1)
Pinus monticola
Western Wood-Pewee (1)
Contopus sordidulus
White Fir (2)
Abies concolor
White Triteleia (1)
Triteleia hyacinthina
White-veined Wintergreen (3)
Pyrola picta
Wolf Lichen (3)
Letharia vulpina
Woolly Mule's-ears (5)
Wyethia mollis
Yellow-bellied Marmot (1)
Marmota flaviventris
Yellow-rumped Warbler (3)
Setophaga coronata
a fungus (1)
Caloboletus rubripes
a fungus (1)
Atheniella adonis
a fungus (1)
Caloscypha fulgens
a fungus (1)
Chrysomphalina aurantiaca
a fungus (4)
Neolentinus ponderosus
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.

Sierra Nevada Yellow-legged Frog
Rana sierraeEndangered
Whitebark Pine
Pinus albicaulisThreatened
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
Sierra Nevada Red Fox
Vulpes vulpes necator
Other Species of Concern (10)

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
Calliope Hummingbird
Selasphorus calliope
Cassin's Finch
Haemorhous cassinii
Evening Grosbeak
Coccothraustes vespertinus
Hermit Warbler
Setophaga occidentalis
Oak Titmouse
Baeolophus inornatus
Olive-sided Flycatcher
Contopus cooperi
Migratory Birds of Conservation Concern (10)

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
Calliope Hummingbird
Selasphorus calliope
Cassin's Finch
Haemorhous cassinii
Evening Grosbeak
Coccothraustes vespertinus
Hermit Warbler
Setophaga occidentalis
Oak Titmouse
Baeolophus inornatus
Olive-sided Flycatcher
Contopus cooperi
Vegetation (7)

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

California Red Fir Forest
Tree / Conifer · 629 ha
GNR59.2%
Sierra Nevada Cliff and Canyon
Sparse / Sparsely Vegetated · 148 ha
13.9%
California Mountain Chaparral
Shrub / Shrubland · 114 ha
GNR10.7%
California Subalpine Woodland
Tree / Conifer · 56 ha
GNR5.2%
Sierra Nevada Lodgepole Pine Forest
Tree / Conifer · 38 ha
GNR3.6%
California Mixed Conifer Forest
Tree / Conifer · 27 ha
GNR2.5%

Poison Hole

Poison Hole Roadless Area

Eldorado National Forest, California · 2,627 acres