Collected
05 August 2002.
Colorado, United States
Elevation: 2255m.
Georeference protocol: Lat/lon determined by GPS
Habitat: Wild Habitat
Environment description: Stream bank; montane riparian community; soil very dark greyish-brown sand-silt.Montane riparian community.
Number of plants sampled: 364
Associated species: Associated with Alnus tenuifolia, Cornus sericea, Ribes sp., Rubus sp., Salix sp., Rudbeckia ampla
Comment: Slope: 0-5% ,Area sampled: >10,000 sq.m.; Shrub, height 0.9-2 meters. [Additional descriptive information from the herbarium specimen at Kew: Stems with infrequent recurved thorns, never densely bristly, drying black; inflorescence commonly with more than one flower in a cluster.]