Spergularia marina (L.) Griseb.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Simple or much-branched annual, erect or prostrate, to 35 cm, glabrous to glandular-puberulent; lvs 5–40 × 0.5–1.5 mm, fleshy, short-mucronate; stipules deltoid, 2–4 mm; sep ovate, 2.5–5 mm, obtuse; pet white or pink, ovate, shorter than the sep; stamens 2–5; fr equaling or surpassing the cal; seed 0.6–0.8 mm, smooth or glandular-papillate, wingless or occasionally with an erose wing to 0.4 mm wide; 2n=36. Native of Eurasia, probably only intr. in Amer.; coastal brackish and saline marshes, and flat and alkaline areas inland; salted highways in O. and Mich.; Que. to B.C., s. to Fla. and Baja Calif. June–Sept. (S. leiosperma; S. salina; Tissa m.)