Underwood

Shasta-Trinity National Forest · California · 3,046 acres · RoadlessArea Rule (2001)
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Observed Species (25)

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

Aquatic Gartersnake (1)
Thamnophis atratus
Band-tailed Pigeon (1)
Patagioenas fasciata
Beaked Hazelnut (1)
Corylus cornuta
Bristly Dogtail Grass (1)
Cynosurus echinatus
Deerbrush (1)
Ceanothus integerrimus
Douglas' Squirrel (1)
Tamiasciurus douglasii
Giant Horsetail (1)
Equisetum telmateia
Hartweg's Wild Ginger (1)
Asarum hartwegii
Hummingbird-trumpet (2)
Epilobium canum
Jelly Tooth (1)
Pseudohydnum gelatinosum
Menzies' Wintergreen (2)
Chimaphila menziesii
Narrowleaf Blue-eyed Mary (1)
Collinsia linearis
Nelson's Stringflower (1)
Silene nelsonii
Northwestern Pond Turtle (4)
Actinemys marmorataProposed Threatened
Pacific Stonecrop (1)
Sedum spathulifolium
Pacific Yew (1)
Taxus brevifolia
Phantom Orchid (1)
Cephalanthera austiniae
Showy Milkweed (1)
Asclepias speciosa
Trinity Mountains Monkeyflower (1)
Erythranthe trinitiensis
Western Columbine (1)
Aquilegia formosa
Western Forest Scorpion (1)
Uroctonus mordax
Western Toad (1)
Anaxyrus boreas
White Alder (1)
Alnus rhombifolia
Wood Rose (1)
Rosa gymnocarpa
Federally Listed Species (10)

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
Suckley's Cuckoo Bumble Bee
Bombus suckleyiProposed Endangered
Yellow-billed Cuckoo
Coccyzus americanus
Other Species of Concern (4)

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

Bald Eagle
Haliaeetus leucocephalus
Cassin's Finch
Haemorhous cassinii
Chestnut-backed Chickadee
Poecile rufescens rufescens
Olive-sided Flycatcher
Contopus cooperi
Migratory Birds of Conservation Concern (4)

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
Cassin's Finch
Haemorhous cassinii
Chestnut-backed Chickadee
Poecile rufescens
Olive-sided Flycatcher
Contopus cooperi
Vegetation (8)

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

California Chaparral
Shrub / Shrubland · 387 ha
GNR31.4%
California Mixed Evergreen Forest
Tree / Conifer · 342 ha
GNR27.8%
California Mixed Conifer Forest
Tree / Conifer · 225 ha
GNR18.2%
California Mountain Chaparral
Shrub / Shrubland · 88 ha
GNR7.1%
GNR7.1%
California Mixed Conifer Forest
Tree / Conifer · 35 ha
GNR2.8%
Klamath Mountains Dry Serpentine Savanna
Shrub / Shrubland · 19 ha
GNR1.5%
G21.5%

Underwood

Underwood Roadless Area

Shasta-Trinity National Forest, California · 3,046 acres