Grant - Irwin

Humboldt-Toiyabe National Forest · Nevada · 11,196 acres · RoadlessArea Rule (2001)
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Observed Species (10)

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

Big Sagebrush (1)
Artemisia tridentata
Currant Milkvetch (1)
Astragalus uncialis
Fremont Barberry (1)
Berberis fremontii
Golden Eagle (1)
Aquila chrysaetos
Mound Hedgehog Cactus (1)
Echinocereus triglochidiatus
Nevada Goldenrod (1)
Solidago spectabilis
Searls' Prairie-clover (1)
Dalea searlsiae
Thorny Wire-lettuce (1)
Pleiacanthus spinosus
Virginia Creeper (1)
Parthenocissus quinquefolia
Yerba Mansa (1)
Anemopsis californica
Federally Listed Species (6)

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.

Hiko White River Springfish
Crenichthys baileyi grandisEndangered
Railroad Valley Springfish
Crenichthys nevadaeThreatened
White River Spinedace
Lepidomeda albivallisEndangered
White River Springfish
Crenichthys baileyi baileyiEndangered
Monarch
Danaus plexippusProposed Threatened
Yellow-billed Cuckoo
Coccyzus americanus
Vegetation (14)

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

Great Basin Pinyon-Juniper Woodland
Tree / Conifer · 2,445 ha
GNR54.0%
Great Basin Dry Sagebrush Shrubland
Shrub / Shrubland · 815 ha
GNR18.0%
Mojave Desert Mixed Scrub
Shrub / Shrubland · 217 ha
GNR4.8%
GNR4.0%
Great Basin Big Sagebrush Shrubland
Shrub / Shrubland · 153 ha
G33.4%
Great Basin & Intermountain Ruderal Shrubland
Shrub / Exotic Tree-Shrub · 151 ha
3.3%
Intermountain Salt Desert Scrub
Shrub / Shrubland · 129 ha
GNR2.8%
Southern Rockies Mixed Conifer Forest
Tree / Conifer · 105 ha
GNR2.3%
Intermountain Mountain Sagebrush Steppe
Shrub / Shrubland · 85 ha
GNR1.9%
Rocky Mountain Foothill Shrubland
Shrub / Shrubland · 59 ha
G31.3%
Great Basin Semi-Desert Chaparral
Shrub / Shrubland · 52 ha
GNR1.1%
Intermountain Semi-Desert Shrub-Steppe
Shrub / Shrubland · 43 ha
GNR1.0%
Intermountain Semi-Desert Grassland
Herb / Grassland · 2 ha
G20.0%

Grant - Irwin

Grant - Irwin Roadless Area

Humboldt-Toiyabe National Forest, Nevada · 11,196 acres