Corrigiola litoralis subsp. litoralis
Plants annual or biennial, glabrous, glaucous. Stems 5–50 cm. Leaves mostly alternate; blade lance-oblong to linear-oblanceolate, 5–30 mm, base narrowed to obscure petiole. Pedicels articulated, to 1 mm. Flowers: sepals 1–1.5 mm; staminodes white to pink, sometimes red-tipped. Utricles 1–2 mm. 2n = 16, 18, 32, 54 (Europe).
Phenology: Flowering summer–fall.
Habitat: Waste places, ballasts, grassy areas
Elevation: 0-200 m
Introduced; B.C., Md., Oreg., Eurasia.
Historical records from ballast grounds at Camden, New Jersey (1870s), and Philadelphia, Pennsylvania, exist, as well as a single report as a garden weed from Massachusetts (1900?; Manning s.n., GH).