Orobanche fasciculata Nutt.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Parasitic on many spp., but especially on Artemisia; proper stem 5–15 cm; scale-lvs ovate, pubescent, all or at least the upper acuminate; pedicels 4–10, 2–15 cm, not much if at all longer than the stem, forming a loose, flat-topped corymb much surpassing the stem; bractlets none; cor 1.5–3 cm; cal-lobes about equaling the tube; 2n=24. Dry soil, prairies, and plains, in our range especially on sand-dunes; Mich. and nw. Ind. to B.C., Calif., and n. Mex. June. (Thalesia f.; Anoplanthus f.)