Valerianella locusta

Basic information
Scientific name	Valerianella locusta	Click to magnify
Major synonym	Valerianella olitoria
Common names	Lewiston cornsalad
Higher taxon	Valerianaceae, Dipsacales, Magnoliopsida, Magnoliophyta
Natural range	Europe
Habitat	Road side, bank, etc.

Invasion information
Range in Japan	Entire Japanese main islands
Origin	Unknown.
Date	Middle or late 19 C.
Route	Unknown.
Impact	Unknown.
Regulation in Japan	No action for prevention, mitigation, control, or eradication.
Introduced range in other countries	Unknown.

Reference	Notes
Ogaito, H. (2010, pers. comm., on status in Hyogo Pref.) Osada (1976) Colored Illustrations of Naturalized Plants of Japan. Hoikusha, Osaka. etc.	In mid April, this species is dominant in some region (e.g., Mukogawa River bank, Hyogo Pref., western Japan).