15 August 2005.
Utah, United States
Locality: From Lewistown go 87 E to Grass Range, Continue straight on (Hwy 200E) 69mi left onto Cat Creek Rd. 4 mi right at fork (Cat Creek Rd), 2.5 miles left onto River Rd., 7.6 mi. left onto Tin Cab Rd. (past Haley Coulee), cont. 1.7 mi. on right side of Rd. go through open grassland, down steep hill up a steep hill, pop. is in open grass field. Petroleum County, MT.
Coordinates: 47.1630, -107.9774
(Map it)
Elevation: 850m.
Georeference protocol: Lat/lon determined by GPS
Habitat: Wild Habitat
Environment description: Open prairie grassland between ponderosa pine stands along hillsides. Bearpaw formation.
Number of plants sampled: 100
Associated species: Agropyron spicatum, Stipa comata, Artemiaia tridentata, Opuntia spp., Bouteloua gracilis, Rhus trilobata, Liatrus punctata.
Aspect: North;
Slope: 3;
Soil Texture: Sand
Comment: No. plants found 250, Area sampled was approximately 2 acres.