Myosotis scorpioides

Basic information
Scientific name	Myosotis scorpioides	Click to magnify
Common names	True forget-me-not
Higher taxon	Boraginaceae, Lamiales, Magnoliopsida, Magnoliophyta
Natural range	Europe.
Habitat	Moist area.

Invasion information
Range in Japan	Hokkaido, Tohoku, Kanto, Koshinetsu, Hokuriku, and Shikoku Districts, Shizuoka, and Gifu Prefs.
Origin	Unknown.
Date	Since 1950s, naturalized in Hokkaido and Nagano Pref.
Route	Deliberate: As ornamental plant.
Impact	Competition with native plant. Hybridization with a native congener. Native organism(s) affected: Native hygrophyte (competition). Native congener Myosotis sylvatica (hybridization).
Regulation in Japan	No action for prevention, mitigation, control, or eradication.
Introduced range in other countries	Cultivated as ornamental plant worldwide.

Reference	Notes
Osada (1976) Colored Illustrations of Naturalized Plants of Japan. Hoikusha, Tokyo (in Jpn) Shimizu (ed) (2003) Naturalized Plants of Japan. Heibonsha, Tokyo (in Jpn) etc.