5. Lepidium ruderale L.

Lepidium ruderale L. 1753, Sp. Pl. 2: 645; J. Fisch. 1778, Vers. Naturg. Livl.: 262; Н. Буш, 1939, Фл. СССР, 8: 511; Eleksis, 1955, Latv. PSR Fl. 2: 324; Vasc. 1964, Fl. Europ. 1: 332; Vasc. rev. Akeroyd and T. C. G. Rich, 1993, Fl. Europ., ed. 2, 1: 401; В. И. Дороф. 2012, Консп. фл. Вост. Европы, 1: 426.

Habitat. Weed-laden sites, railway verges, railway tracks, waste dumps, street edges, roadsides.

Distribution in Latvia. Rather rare, throughout the territory (Fig. 3).

General distribution. Europe, Caucasus, Asia, meridionale zone to boreale zone. Alien species in North America.