25 July 2005.
Petroleum County, Montana, United States
Locality: Located approximately 20.70 miles northeast of Winnett along Upper Tin Can Hill Road just 1.7 miles west of Lower River Road.
Coordinates: 47.1650, -107.9832
(Map it)
Elevation: 867m.
Georeference protocol: Lat/lon determined by GPS
Habitat: Wild Habitat
Environment description: Silver sage, Ponderosa pine forest edge.
Number of plants sampled: 294
Associated species: Artemisia cana, Pinus ponderosa, Bouteloua gracilis, Pseudoroegneria spicata, Hesperostipa comata, Nassella viridula, Artemisia tridentata, Dalea purpurea, Opuntia spp., Agropyron cristatum, Melitotus officinales, Tragopogon dubius
Aspect: North;
Slope: 5;
Soil Texture: Sandy Clay
Comment: No. plants found 339, Area sampled was approximately .4 acres.