HARDING
Astragalus wittmannii (One-Flowered Milkvetch)
Matted perennial, forming low cushions up to 30 cm across; stems absent or less than 2 cm; herbage strigose with dolabriform hairs; leaves pinnately compound, to 8 cm long, with 5-7 narrow leaflets; flowers pea-like, solitary on each peduncle, nestle...
Eurybia horrida (Horrid Herrickia)
Suffrutescent shrub from a branching, subterranean caudex; above ground stems somewhat woody but not perennial, 4-8 dm tall, usually glandular in the inflorescence; leaves sessile, 3-5 cm long, oblong to oblong-ovate, rigid, thick, spiny-toothed on t...
Packera spellenbergii (Spellenberg Groundsel)
Diminutive, tufted perennial, 3-5 cm tall, forming clumps up to 2 dm across, covered with white, felty or woolly tomentum; basal leaves linear, 1-2 cm long, 1-2 mm wide, margins rolled inwards; stem leaves reduced to small scales; flower stems taller...