Collected
11 October 2005.
Arizona, United States
Elevation: 1584m.
Georeference protocol: Lat/lon determined by GPS
Number of plants sampled: 1000
Comment: Collected by Bureau of Land Management, USA. Juniperus monosperma grassland. Associated with Gutierrezia, Bouteloua gracilis, Bouteloua curtipendula, Bromus rubens, Bromus tectorum, Solanum eleagnifolium, Corydalis, Helianthus annus & other weedy species.