19 August 2002.
Colorado, United States
Locality: Central shortgrass prairie. Jefferson County. Apex Gulch, US Highway 40 at County Road 93. Jefferson County Open Space.
Coordinates: 39.7136, -105.2172
(Map it)
Elevation: 1982m.
Georeference protocol: Lat/lon determined by GPS
Habitat: Wild Habitat
Environment description: Foothills.
Number of plants sampled: 70
Associated species: Yucca glauca, Rhus glabra, Opuntia sp.
Aspect: Southwest;
Slope: 22;
Soil Texture: Silt
Comment: Collectors: Lopez, G. : Bureau of Land Management, USA.; Koblitz, B. : Bureau of Land Management, USA.; Dawson, C. : Bureau of Land Management, USA. Slope: 15-30% SW, Soil: Silt ,Area sampled: 5000-10,000 sq.m.