Summary[edit] Description: Fullstem (Chamaechaenactis scaposa), Aster family (Asteraceae). About 50 miles south-east from Vernal, along the Three-Mile Canyon Road, Utah. Our third stop of the South-of-Vernal trip of the Annual Meeting of American Penstemon Society. Date: 4 June 2017, 12:38. Source: 2017.06.04_12.38.59_IMG_0391. Author: Andrey Zharkikh from Salt Lake City, USA, cropped by User:Kersti Nebelsiek. Other versions: : This file has been extracted from another file: 2017.06.04 12.38.59 IMG 0391 - Flickr - andrey zharkikh.jpg : .