Lepidium densiflorum Schrad.

Rūrāne, Ieva & Roze, Ieva, 2019, Genus Lepidium L. In The Flora Of Latvia, Acta Biologica Universitatis Daugavpiliensis 19 (2), pp. 191-198 : 194

4. Lepidium densiflorum Schrad.

Lepidium densiflorum Schrad. 1832 , Ind. Sem. Horti Gotting.: 4; Mühlenbach, 1934, Acta Horti Bot. Univ. Latv. 7: 112; Eleksis, 1955, Latv. PSR Fl. 2: 326; 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.

L. neglectum Thell. 1904 , Bull. Herb. Boiss. ser. 2, 4: 708; Rasiņš 1954, Latv. PSR nezāļu augļi un sēklas: 107.

L. apetalum auct., non Willd.: Kupffer, 1934, Korrbl. Naturf.-Ver. Riga, 61: 210; Н. Буш, 1939, Фл. СССР, 8: 508.

Habitat. Railway verges, street edges, roadsides, weed-laden sites.

Distribution in Latvia. Rather rare, in Coastal Lowland, Central Latvia and Eastern Latvia, alien species ( Fig. 2 ).

G e n e r a l d i s t r i b u t i o n. North America, meridionale zone to boreale zone. Alien species in Europe, Asia.

Figures

Fig. 2. Distribution of Lepidium densiflorum Fig. 3. Distribution of Lepidium ruderale L. in Schrad. in Latvia (a – localities by 1940; b – Latvia (a – localities by 1940; b – localities from localities from 1941 to 1990; c – localities from 1941 to 1990; c – localities from 1991 to the 1991 to the present). present).