United States, Arizona, Coconino, Grand Canyon National Park; South Rim; From Shoshone Pt. 1 mi. SW of Hwy 64; slopes in vicinity of quarry and shooting range. NPS-NVMP plot 03201. Opening in surrounding ponderosa pine resulting from stand-replacing fire. Some recruitment, but mostly shrubs and with forbs Amaranthus, Chamaesyce, Gutierrezia, Hedeoma, Nama, and Verbascum.