Monographs Details: Aristida longespica var. longespica
Authority: Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Family:Poaceae
Description:Variety Description - Central awn 1–10(–14) mm, the lateral awns 0–5(–8) mm. Range of the species, but more common eastward.