Underwood

Six Rivers National Forest · California · 6,591 acres · RoadlessArea Rule (2001)
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Observed Species (213)

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

(1)
Monadenia subcarinata
(2)
Paeromopus angusticeps
(1)
Abies grandis × concolor
(1)
Colonus hesperus
(2)
Dichelostemma × venustum
American Beaver (1)
Castor canadensis
American Black Bear (4)
Ursus americanus
American Bullfrog (1)
Lithobates catesbeianus
American Trailplant (1)
Adenocaulon bicolor
Aquatic Gartersnake (2)
Thamnophis atratus
Arrowleaf Buckwheat (2)
Eriogonum compositum
Bald Eagle (1)
Haliaeetus leucocephalusDL
Banana Slugs (1)
Ariolimax
Barred Owl (1)
Strix varia
Beaked Hazelnut (1)
Corylus cornuta
Beetle Spurge (1)
Euphorbia crenulata
Bigleaf Maple (8)
Acer macrophyllum
Blue Field Gilia (4)
Gilia capitata
Bolander's Onion (1)
Allium bolanderi
Brewer's Rockcress (1)
Boechera breweri
California Coffeeberry (1)
Frangula californica
California Creamcup (23)
Platystemon californicus
California Desert-parsley (3)
Lomatium californicum
California Fawnlily (8)
Erythronium californicum
California Fescue (1)
Festuca californica
California Foothill Pine (5)
Pinus sabiniana
California Grape (2)
Vitis californica
California Groundcone (18)
Kopsiopsis strobilacea
California Harebell (2)
Smithiastrum prenanthoides
California Kingsnake (2)
Lampropeltis californiae
California Mistmaiden (6)
Romanzoffia californica
California Mountainmint (1)
Pycnanthemum californicum
California Poppy (2)
Eschscholzia californica
California Spikenard (2)
Aralia californica
California Toothwort (1)
Cardamine californica
California Turret Spider (3)
Atypoides riversi
California Waterleaf (1)
Hydrophyllum occidentale
California Yerba Santa (1)
Eriodictyon californicum
California asterella (1)
Calasterella californica
Calyx-nose Monkeyflower (3)
Erythranthe nasuta
Canyon Live Oak (4)
Quercus chrysolepis
Cascade Onion (1)
Allium cratericola
Chickweed Monkeyflower (4)
Erythranthe alsinoides
Chilean Sweet-cicely (1)
Osmorhiza berteroi
Coast Manroot (5)
Marah oregana
Coffee Fern (9)
Pellaea andromedifolia
Common Bluecup (2)
Githopsis specularioides
Common Gartersnake (3)
Thamnophis sirtalis
Common Merganser (1)
Mergus merganser
Common Monkeyflower (1)
Erythranthe guttata
Common Sagebrush Lizard (1)
Sceloporus graciosus
Common Spring-gold (4)
Crocidium multicaule
Common Wintergreen (3)
Chimaphila umbellata
Common Yarrow (1)
Achillea millefolium
Cooper's Hawk (1)
Astur cooperii
Crevice Alumroot (2)
Heuchera micrantha
Deerbrush (5)
Ceanothus integerrimus
Dimpled Specklebelly (1)
Lobaria anthraspis
Elmer's Lupine (1)
Lupinus elmeri
Ensatina (5)
Ensatina eschscholtzii
Eyed Violet (19)
Viola ocellata
Fall Thistle (5)
Cirsium occidentale
Farewell-to-spring (1)
Clarkia amoena
Fireweed (3)
Chamaenerion angustifolium
Fork-toothed Ookow (1)
Dichelostemma congestum
Fremont's Rosinweed (1)
Calycadenia fremontii
Fremont's Silktassel (1)
Garrya fremontii
Giant Chainfern (6)
Woodwardia fimbriata
Giant Helleborine (2)
Epipactis gigantea
Giant Horsetail (1)
Equisetum telmateia
Gold Poppy (5)
Eschscholzia caespitosa
Goldback Fern (1)
Pentagramma triangularis
Golden Chinquapin (1)
Chrysolepis chrysophylla
Gophersnake (2)
Pituophis catenifer
Gray's Lovage (1)
Ligusticum grayi
Grayleaf Skullcap (2)
Scutellaria siphocampyloides
Greene's Blue-eyed Mary (1)
Collinsia greenei
Hairy-pink (7)
Petrorhagia dubia
Hartweg's Wild Ginger (14)
Asarum hartwegii
Harvest Brodiaea (3)
Brodiaea elegans
Hollyleaf Redberry (1)
Rhamnus ilicifolia
Hooded False Morel (1)
Paragyromitra infula
Hooker's Mandarin (4)
Prosartes hookeri
Humboldt County Mule's-ears (1)
Wyethia longicaulis
Hummingbird-trumpet (3)
Epilobium canum
Ida-may Snakelily (16)
Dichelostemma ida-maia
Indian Warrior (22)
Pedicularis densiflora
Jelly Tooth (1)
Pseudohydnum gelatinosum
Jordan's Maidenhair Fern (4)
Adiantum jordanii
Kellogg's Monkeyflower (35)
Diplacus kelloggii
King Bolete (1)
Boletus edulis
Klamath Black Salamander (4)
Aneides klamathensis
Klamath Smallscale Sucker (1)
Catostomus rimiculus
Large Fringe-cup (1)
Tellima grandiflora
Large-flower Collomia (1)
Collomia grandiflora
Large-fruit Desert-parsley (1)
Lomatium macrocarpum
Largeleaf Sandwort (1)
Moehringia macrophylla
Lax Stonecrop (1)
Sedum laxum
Leafless wintergreen (1)
Pyrola aphylla
Leafy Fleabane (3)
Erigeron foliosus
Lemon-scent Tarweed (1)
Madia citriodora
Leopard Lily (1)
Lilium pardalinum
Lewis' Mock Orange (2)
Philadelphus lewisii
Long-tube Iris (3)
Iris tenuissima
Lovely Clarkia (13)
Clarkia concinna
Many-flower Snakelily (4)
Dichelostemma multiflorum
Membranaceous Onion (1)
Allium membranaceum
Menzies' Baby-blue-eyes (11)
Nemophila menziesii
Menzies' Wintergreen (7)
Chimaphila menziesii
Mertens' Saxifrage (4)
Saxifraga mertensiana
Mexican Catchfly (11)
Silene laciniata
Miner's-lettuce (2)
Claytonia perfoliata
Modest Whipple-vine (3)
Whipplea modesta
Mountain-mahogany (6)
Cercocarpus betuloides
Narrowleaf Swordfern (2)
Polystichum imbricans
Nelson's Stringflower (7)
Silene nelsonii
North American Racer (4)
Coluber constrictor
Northern Flicker (1)
Colaptes auratus
Northwestern Pond Turtle (11)
Actinemys marmorataProposed Threatened
Oceanspray (4)
Holodiscus discolor
Orange Fuzzyfoot (1)
Xeromphalina campanella
Oregon Ash (3)
Fraxinus latifolia
Oregon Western Rosinweed (1)
Calycadenia truncata
Oregon White Oak (2)
Quercus garryana
Oyster Mushroom (1)
Pleurotus ostreatus
Pacific Dogwood (2)
Cornus nuttallii
Pacific Madrone (3)
Arbutus menziesii
Pacific Ninebark (1)
Physocarpus capitatus
Pacific Popcorn-flower (1)
Plagiobothrys tenellus
Pacific Stonecrop (16)
Sedum spathulifolium
Pacific Treefrog (15)
Pseudacris regilla
Pacific Yew (1)
Taxus brevifolia
Peninsular Onion (1)
Allium peninsulare
Peregrine Falcon (1)
Falco peregrinus
Pin Clover (1)
Erodium cicutarium
Pink Plectritis (1)
Plectritis congesta
Piper's Oregon-grape (1)
Berberis aquifolium
Pipestem Virgin's-bower (4)
Clematis lasiantha
Purple Black-snakeroot (12)
Sanicula bipinnatifida
Rayless Arnica (2)
Arnica discoidea
Red Larkspur (23)
Delphinium nudicaule
Redwood Beardtongue (4)
Keckiella corymbosa
Redwood Sideband (5)
Monadenia infumata
Ring-necked Snake (1)
Diadophis punctatus
Rubber Boa (1)
Charina bottae
Ruby-crowned Kinglet (1)
Corthylio calendula
San Francisco Broomrape (1)
Aphyllon franciscanum
Scarlet Missionbells (15)
Fritillaria recurva
Sedge-leaf Whitethorn (6)
Ceanothus cuneatus
Self-heal (1)
Prunella vulgaris
Showy Milkweed (2)
Asclepias speciosa
Showy Tarweed (4)
Madia elegans
Sierra Gooseberry (5)
Ribes roezlii
Sierra Jewelflower (7)
Streptanthus tortuosus
Silver-crown (12)
Cacaliopsis nardosmia
Siskiyou Bitterroot (8)
Lewisia cotyledon
Siskiyou Mountain Woodland-star (3)
Lithophragma campanulatum
Slender Catchfly (5)
Silene greenei
Small Inside-out-flower (6)
Vancouveria planipetala
Small-flower Tonella (7)
Tonella tenella
Small-flower Woodland-star (1)
Lithophragma parviflorum
Small-head Clover (1)
Trifolium microcephalum
Small-leaf Monkeyflower (9)
Erythranthe microphylla
Smooth White Violet (1)
Viola macloskeyi
Solomon's-plume (9)
Maianthemum racemosum
Southwestern Carrot (2)
Daucus pusillus
Splitgill (1)
Schizophyllum commune
Spreading Stonecrop (4)
Sedum radiatum
Streambank Springbeauty (2)
Claytonia parviflora
Striped Coralroot (3)
Corallorhiza striata
Tobacco Ceanothus (1)
Ceanothus velutinus
Tolmie's Mariposa Lily (9)
Calochortus tolmiei
Turkey Tail (2)
Trametes versicolor
Turpentine Weed (1)
Trichostema laxum
Umbrella Plant (2)
Darmera peltata
Upland Larkspur (1)
Delphinium nuttallianum
Variable-leaf Baby-blue-eyes (4)
Nemophila heterophylla
Varied-leaf Collomia (8)
Collomia heterophylla
Wallace's Spikemoss (1)
Selaginella wallacei
Wavyleaf Soap-plant (3)
Chlorogalum pomeridianum
Western Azalea (1)
Rhododendron occidentale
Western Fence Lizard (1)
Sceloporus occidentalis
Western Forest Scorpion (5)
Uroctonus mordax
Western Joepye-weed (1)
Ageratina occidentalis
Western Pearlshell (2)
Margaritifera falcata
Western Poison-oak (6)
Toxicodendron diversilobum
Western Rattlesnake (2)
Crotalus oreganus
Western Redbud (18)
Cercis occidentalis
Western Screech-Owl (1)
Megascops kennicottii
Western Toad (3)
Anaxyrus boreas
Western Wallflower (1)
Erysimum capitatum
White Moth Mullein (1)
Verbascum blattaria
White Toadshade (1)
Trillium albidum
White Triteleia (6)
Triteleia hyacinthina
White-flower Hawkweed (1)
Hieracium albiflorum
White-veined Wintergreen (3)
Pyrola picta
Winecup Clarkia (1)
Clarkia purpurea
Wiry Snapdragon (1)
Sairocarpus vexillocalyculatus
Wrentit (1)
Chamaea fasciata
Yellow Star-thistle (1)
Centaurea solstitialis
a fungus (1)
Tricholoma murrillianum
a fungus (1)
Gomphus clavatus
a fungus (1)
Helvella vespertina
a fungus (1)
Hericium erinaceus
a fungus (1)
Morchella tridentina
a fungus (1)
Stropharia ambigua
a lichen (1)
Multiclavula mucida
blue dicks (15)
Dipterostemon capitatus
common cocklebur (1)
Xanthium orientale
serpentine sunflower (1)
Helianthus exilis
Federally Listed Species (11)

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
North American Wolverine
Gulo gulo luscus
Northwestern Pond Turtle
Actinemys marmorataProposed Threatened
Pacific Marten
Martes caurina
Suckley's Cuckoo Bumble Bee
Bombus suckleyiProposed Endangered
Yellow-billed Cuckoo
Coccyzus americanus
Other Species of Concern (9)

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

Allen's Hummingbird
Selasphorus sasin
Bald Eagle
Haliaeetus leucocephalus
Cassin's Finch
Haemorhous cassinii
Chestnut-backed Chickadee
Poecile rufescens rufescens
Evening Grosbeak
Coccothraustes vespertinus
Oak Titmouse
Baeolophus inornatus
Olive-sided Flycatcher
Contopus cooperi
Rufous Hummingbird
Selasphorus rufus
Wrentit
Chamaea fasciata
Migratory Birds of Conservation Concern (9)

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.

Allen's Hummingbird
Selasphorus sasin
Bald Eagle
Haliaeetus leucocephalus
Cassin's Finch
Haemorhous cassinii
Chestnut-backed Chickadee
Poecile rufescens
Evening Grosbeak
Coccothraustes vespertinus
Oak Titmouse
Baeolophus inornatus
Olive-sided Flycatcher
Contopus cooperi
Rufous Hummingbird
Selasphorus rufus
Wrentit
Chamaea fasciata
Vegetation (8)

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

California Mixed Evergreen Forest
Tree / Conifer · 1,621 ha
GNR60.8%
California Foothill Mixed Oak Woodland
Tree / Hardwood · 284 ha
GNR10.7%
California Mixed Conifer Forest
Tree / Conifer · 220 ha
GNR8.3%
California Chaparral
Shrub / Shrubland · 159 ha
GNR6.0%
California Mixed Conifer Forest
Tree / Conifer · 80 ha
GNR3.0%
GNR1.9%
G20.8%

Underwood

Underwood Roadless Area

Six Rivers National Forest, California · 6,591 acres