Aster pilosus Willd.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Stems 1–15 dm from a stout caudex; basal and lower cauline lvs soon deciduous, or the basal persistent, oblanceolate, and petiolate, those above sessile or nearly so, entire or slightly toothed, linear to lance-elliptic, seldom over 10 × 1(–2) cm, the upper and rameal ones numerous and reduced, often subulate; heads in an often diffuse infl, sometimes secund on the branches, their copiously subulate-bracteate to nearly naked peduncles 3–40 mm; invol broadly urn-shaped, constricted above the middle, then flaring, glabrous, 3.5–8 mm, its bracts imbricate or subequal, with loose, subulate, marginally inrolled green tip; heads mostly 40–100-fld, the rays 16–35, 5–10 mm; 2n mostly = 32, 48. Open, rather dry places, often in sandy soil; common and widespread from Me. and N.S. to Ga. and nw. Fla., w. to se. Minn., Neb., Kans., and La. Three vars.