Summary[edit] Description: English: Perityle incana at Rancho Santa Ana Botanic Gardens in Claremont, California, USA. Identified by sign. Date: 23 April 2009. Source: Own work. Author: Stickpen. Permission(Reusing this file): released to public domain.
in habitat on roadcut in volcanic rhyolite tuff at upper canyon rim. Original ID as a rayless P. gentry, later confirmed as P. batopilensis by AM Powell. This site on the old gravel switchback road has now been destroyed by a new paved highway to Batopilas that also greatly limits access to many former rich roadside collecting sites in the canyon.
marshy area on steep volcanic rhyolitic tuff hillside around flowing seep spring and small ponding area with Lobelia cardinalis, Bidens aurea, Mimulus dentilobus
steep south face of deep roadcut in rhyolite ridge on NE flank of Cerro Tetrakawi with Porophyllum pausodynum, Hofmeisteria crassifolia, Brickellia coulteri, Justicia candicans