Nothoscordum bivalve (L.) Britton
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Bulb ovoid, 2 cm, with membranous coats; lvs few, 1–2 dm × 2–3 mm; scape 1–3 dm; fls 5–12; pedicels 2–5 cm, often unequal; tep white or greenish-white, oblong, 9–13 mm; fr subglobose, 5 mm; seeds black, angularly ellipsoid, 3 mm; 2n=18. Open woods, prairies, and barrens, usually in moist soil; se. Va. to s. O., c. Ill. and Kans., s. to S. Amer. Mar.–Sept.