24 August 2012.
Colorado, United States
Coordinates: 39.8603, -105.4136
(Map it)
Elevation: 2713m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Riparian montane in wet drainage area
Number of plants sampled: 450
Comment: Collected by: Wilson, D; Wilson, O Associated species: Rumex densiflorus:Cirsium arvense:Urtica dioica:Agrostis stolonifera:Galium sp.