Cuscuta cuspidata Engelm.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Fls 5-merous, 3–4 mm, pediceled or subsessile in loose, open panicles; bracts 1–3, broadly round-ovate, appressed, much shorter than the cal; sep distinct, ovate to orbicular, very obtuse, sometimes minutely cuspidate; cor-lobes ovate, 1.5 mm; styles 1.5–3 mm; stigma capitate; fr globose or depressed-globose, 2–3 mm thick, indehiscent, 4-seeded, the withered cor calyptrate at the top. Ind. and Wis. to N.D., and Utah, and Tex. Occasional specimens of the widespread C. gronovii might be traced to this sp. in the key, but differ in their shorter styles and in having the fr protruding from the basally cupulate-persistent cor.