Oxalis pes-caprae

Basic information
Scientific name	Oxalis pes-caprae	Click to magnify
Common names	Buttercup oxalis, Bermuda buttercup
Higher taxon	Oxalidaceae, Geraniales, Magnoliopsida, Magnoliophyta
Natural range	S Africa.
Habitat	Urban area.

Invasion information
Range in Japan	Central to southern Honshu, Kyushu, and Shikoku Is.
Origin	Unknown.
Date	Imported in the end of 19 C (1885-1900). The first record of establishment in Japan was 1961 in Kagoshima Pref.
Route	Deliberate: Escape from horticulture.
Impact	Competition against native species. Native organism(s) affected: Native herbs in Spring.
Regulation in Japan	No action for prevention, mitigation, control, or eradication.
Introduced range in other countries	Used for horticulture worldwide.

Reference	Notes
Elmore & Cudney (2002) Pest Notes:Creeping woodsorrel and Bermuda Buttercup. University of California Agriculture and Natural Resources Publication 7444. Osada (1976) Colored Illustrations of Naturalized Plants of Japan. Hoikusha, Tokyo (in Jpn) etc.