Dropped
Stems slender, glandular hairy above, about 30.0 cm high, basal leaves biternate, rarely over one-third as long as the stems; leaflets small, rather thick, pubescent, glaucous on both surfaces; stem leaves several; bracts once or twice ternate; flowe...
"Only the slightly more ascending pedicels and usually entire or subentire leaves serve to distinguish this [A. selbyi] from A. perennans. Possibly, it would be treated better at infraspecific level within that species." (Welsh et al. 1993)
This taxon is characterized by linear to lanceolate outer involucral bracts which are nearly glabrous to sparsely villous; leaves green, pinnatifid with 3-11 lobes; habit a low cushion plant. It flowers Aug.-Sept.