29 January 2010.
Colorado, United States
Locality: Nine miles SW of Crawford. North Rim of Gunnison Canyon/Black Canyon - Green Mountain area. Take Black Canyon Rd to C77 and travel west for approximately six miles.
Coordinates: 38.6233, -107.7662
(Map it)
Elevation: 2428m.
Georeference protocol: Lat/lon determined by GPS
Habitat: Wild Habitat
Environment description: Grazed mesa, 5-10 degree north facing slope. Silty soil texture, 10YR 2/2 soil color.
Number of plants sampled: 139
Associated species: Petradoria pumila, Ipomopsis aggregata, Eriogonum racemosum, Eriogonum umbellatum, Penstemon strictus, Hesperostipa comata, Eriogonum alatum, Orthocarpus purpureoalbus, Pinus ponderosa, Juniperus scopulorum, Elymus elymoides, Artemisia tridentata, Tragopogon dubius, Melilotus officinalis, Agropyron cristatum, Allium acuminatum, Symphyotrichum sp., Castilleja linariifolia, Cirsium sp., Achnatherum hymenoides, Machaeranthera canescens
Comment: Population size estimated to be 5000 plants. Plant height: 5-12'. Collectors: Rand, R. and Fick, S. (Landsward Institute - Colorado Plateau Initiative)