Brock Spring

Humboldt-Toiyabe National Forest · Nevada · 11,324 acres · RoadlessArea Rule (2001)
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Observed Species (4)

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

Common Side-blotched Lizard (1)
Uta stansburiana
Simpson's Hedgehog Cactus (1)
Pediocactus simpsonii
Sticky-leaf Rabbitbrush (1)
Chrysothamnus viscidiflorus
Western Destroying Angel (1)
Amanita ocreata
Federally Listed Species (2)

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.

Monarch
Danaus plexippusProposed Threatened
Yellow-billed Cuckoo
Coccyzus americanus
Other Species of Concern (5)

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

Broad-tailed Hummingbird
Selasphorus platycercus
Cassin's Finch
Haemorhous cassinii
Northern Harrier
Circus hudsonius
Pinyon Jay
Gymnorhinus cyanocephalus
Sage Thrasher
Oreoscoptes montanus
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.

Broad-tailed Hummingbird
Selasphorus platycercus
Cassin's Finch
Haemorhous cassinii
Pinyon Jay
Gymnorhinus cyanocephalus
Sage Thrasher
Oreoscoptes montanus
Vegetation (7)

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

Great Basin Pinyon-Juniper Woodland
Tree / Conifer · 2,507 ha
GNR54.7%
Great Basin Dry Sagebrush Shrubland
Shrub / Shrubland · 874 ha
GNR19.1%
Great Basin Big Sagebrush Shrubland
Shrub / Shrubland · 600 ha
G313.1%
Intermountain Mountain Sagebrush Steppe
Shrub / Shrubland · 359 ha
GNR7.8%
Great Basin Semi-Desert Chaparral
Shrub / Shrubland · 138 ha
GNR3.0%
GNR0.8%
Rocky Mountain Foothill Shrubland
Shrub / Shrubland · 25 ha
G30.5%

Brock Spring

Brock Spring Roadless Area

Humboldt-Toiyabe National Forest, Nevada · 11,324 acres