Plantago media L.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Fibrous-rooted perennial; lvs spreading, elliptic to obovate or oblanceolate, acute or tapering at each end, 1–2 dm (petiole included); scapes 1–2 dm, strigose above; spikes dense, narrowly conic, becoming cylindric, 3–10 cm at maturity; bracts and sep subequal, broadly ovate, with broad scarious margins; sep separate; fr thickly ellipsoid, 3 mm, circumscissile at the middle; seeds 2–4, 2 mm; superficially like no. 7 [Plantago lanceolata L.], except for the broader lvs; 2n=12, 24. Native of Eurasia, occasionally found as a weed in waste places in our range.