Artemisia tridentata subsp. parishii (A. Gray) H. M. Hall & Clem.

Artemisia parishii A. Gray, Proc. Am. Acad. 17: 220. 1882
A shrub, 8-12 dm. high; bark straw-colored or grayish; leaves canescent, 2-3 cm. long, linear and entire or some dilated at the apex and 3-toothed; heads numerous in a lax panicle with the branches more or less nodding at the apex; involucre turbinate, 3.5—4 mm. high, 3 mm. broad; bracts 12-15, in 3 series, the outer thick, ovate, about one third as long as the innermost ; inner bracts elliptic, obtuse, thinner and scarious-margined; flowers6or7; corollas 2 mm. long, with a short glandular-granuliferous tube and glabrous campanulate throat; style shortexserted; achenes 1.5 mm. long, sparingly arachnoid-hairy.
Type localitv: Newhall, Los Angeles County, California. Distribution: Southern California.