Bidens pilosa var. minor

Basic information
Scientific name	Bidens pilosa var. minor	Click to magnify
Common names
Higher taxon	Asteraceae, Asterales, Magnoliopsida, Magnoliophyta
Natural range	Unknown.
Habitat	Urban area, roadside, vacancy, etc.

Invasion information
Range in Japan	Central to western Japan
Origin	Unknown.
Date	Introduction to Japan was 1844—1848. Spread of the range was after W.W.II.
Route	Unknown.
Impact	Unknown.
Regulation in Japan	No action for prevention, mitigation, control, or eradication.
Introduced range in other countries	Tropical region, worldwide

Reference	Notes
Ogaito, H. (2009, personal communication, on the occurrence in Mie Pref.) Osada (1976) Colored Illustrations of Naturalized Plants of Japan. Hoikusha, Tokyo (in Jpn) etc.