Note pubescent new foliage deciduous with age. Plants scattered on a broad grassy roadside right-of-way in coarse gravelly calcareous/caliche soils of low rolling limestone ridges along eastern foothills of Sacramento Mountains.
perennial in periodically mowed, grassy meadow-like highway right-of-way. Similar to A. aspera but single stemmed, erect habit shows adaptation to taller prairie grassland of southeastern Great Plains
in sandy swales among Mesquite-Saltbush sand hummocks with annual Palafoxia, Verbesina, Pectis. A sand-loving, rhizomatous perennial long known under the synonym A. arenaria. Now reduced to varietal status under A tomentosa although it appears significantly different from the traditional A. tomentosa var. tomentosa from Arizona and California.