Allium tricoccum var. burdickii Hanes
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Variety Description - Smaller, the bulb mostly 1–1.5(–2) cm thick, the lvs (1.5–)2–4(–4.5) cm wide, less strongly or scarcely petiolate, the scape arising (10–)13–16(–18) cm, the bracts 1–2 cm, the fls (6–)10–18(–25), the fruiting pedicels 1–2 cm; not anthocyanic; widespread, but chiefly midwestern, extending e. to w. Me., N.J., and the mts. of N.C. and Tenn.; fl early, commonly June. (A. burdickii)