Corispermum nitidum Kit. ex Schult.

Much like no. 2 [Corispermum hyssopifolium L.]; spikes loosely fld, to 10 cm, 3–4 mm thick; bracts ovate to linear-oblong, 2–8 mm, scarcely imbricate, exposing the axis, the lower narrower than the fr, the upper only scarcely longer than the fr; fr 2–3.5 mm, with a narrow, pale wing; 2n=18. Native of Eurasia, now well established as a weed over much of the U.S., esp. in sandy soil and along lake-shores.