17 September 2015.
Colorado, United States
Locality: along Hwy 50 east of the Cerro Summit, east of Montrose, Montrose county
Coordinates: 38.4437, -107.6293
(Map it)
Elevation: 2390m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Grassland on S-facing slope and roadside ditch, with deep soil from volcanic parent material with Artemisia and Ericameria.
Comment: pop size 1000; plants up to 1.5 m tall
Collector(s):