Invasion information | ||
Range in Japan | Southern Tohoku and Kanto District to western Japan |
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Origin | ||
Date | Recorded since around 1957, in Fukuoka and Kanagawa Prefs. | |
Route | ||
Impact | Competition with native species. Affected organism: Riverside vegetation. | |
Regulation in Japan | No action for prevention, mitigation, control, or eradication. | |
Introduced range in other countries |
Reference | Notes |
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