North Brock

Humboldt-Toiyabe National Forest · Nevada · 6,863 acres · RoadlessArea Rule (2001)
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Observed Species (10)

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

Choke Cherry (1)
Prunus virginiana
Littleleaf Alumroot (1)
Heuchera parvifolia
Northern Scorpion (1)
Paruroctonus boreus
Panhandle Prickly-pear (1)
Opuntia polyacantha
Royal Beardtongue (1)
Penstemon speciosus
Silky Scorpionweed (1)
Phacelia sericea
Simpson's Hedgehog Cactus (1)
Pediocactus simpsonii
Slender-trumpet Standing-cypress (1)
Ipomopsis tenuituba
Tall Woolly Buckwheat (1)
Eriogonum elatum
Western Gromwell (1)
Lithospermum ruderale
Federally Listed Species (1)

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
Other Species of Concern (6)

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
Lewis's Woodpecker
Melanerpes lewis
Northern Harrier
Circus hudsonius
Pinyon Jay
Gymnorhinus cyanocephalus
Sage Thrasher
Oreoscoptes montanus
Migratory Birds of Conservation Concern (5)

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
Lewis's Woodpecker
Melanerpes lewis
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 · 1,536 ha
GNR55.3%
Great Basin Big Sagebrush Shrubland
Shrub / Shrubland · 516 ha
G318.6%
Great Basin Dry Sagebrush Shrubland
Shrub / Shrubland · 402 ha
GNR14.5%
Intermountain Mountain Sagebrush Steppe
Shrub / Shrubland · 176 ha
GNR6.3%
GNR3.1%
Great Basin Semi-Desert Chaparral
Shrub / Shrubland · 29 ha
GNR1.0%
Rocky Mountain Foothill Shrubland
Shrub / Shrubland · 3 ha
G30.1%

North Brock

North Brock Roadless Area

Humboldt-Toiyabe National Forest, Nevada · 6,863 acres