14 September 2015.
Arizona, United States
Locality: along Hwy 160, about 1 mi west of Rt 264, south of Tuba City, Coconino county
Coordinates: 36.1086, -111.2418
(Map it)
Elevation: 1410m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Disturbed, weedy roadside vegetation on flat, with deep soil from sedimentary parent material with Salsola, Sphaeralcea, and Populus.
Comment: pop size 200; plants up to 2.0 m tall
Collector(s):