Verbesina alternifolia

Basic information
Scientific name	Verbesina alternifolia	Click to magnify
Major synonym
Common names	Wingstem
Higher taxon	Asteraceae, Asterales, Magnoliopsida, Magnoliophyta
Natural range	North America.
Habitat	Vacancy, grassland, edge of forest, etc.

Invasion information
Range in Japan	Hokkaido, Nagano Pref., etc.
Origin	Unknown.
Date	Introduced to Japan in 1961. Established since ca. 1980
Route	Deliberate: As nectar source. At first introduced to Hokkaido, thereafter distributed to most regions.
Impact	Potentially: Competition with native species. Native organism(s) affected: Native grasses.
Regulation in Japan	No action for prevention, mitigation, control, or eradication.
Introduced range in other countries	Unknown.

Reference	Notes
Shimizu (ed) (2003) Naturalized Plants of Japan. Heibonsha, Tokyo (in Jpn) etc.