Galinsoga quadriradiata

Basic information
Scientific name	Galinsoga quadriradiata	Click to magnify
Major synonym	Galinsoga ciliata
Common names	Hairy galinsoga，Shaggy soldier
Higher taxon	Asteraceae, Asterales, Magnoliopsida, Magnoliophyta
Natural range	North America.
Habitat	Farm area, fruit garden, vacancy, roadside, riverside, etc.

Invasion information
Range in Japan	Almost entire Japan
Origin	Unknown.
Date	1920s.
Route	Accidental: Details unknown.
Impact	Competition with native species and crops. Native organism(s) affected: Native grasses, crops.
Regulation in Japan	No action for prevention, mitigation, control, or eradication.
Introduced range in other countries	South America, Europe, Africa, Asia

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