Invasion information | ||
Range in Japan | Tokyo, Chiba, and Saitama Prefs. | |
Origin | Unknown. | |
Date | The first record in Japan was in 1982 at Tokyo. | |
Route | Accidental: Hitchhiking on some transport. | |
Impact | 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 | Europe, Australia, etc. |
Reference | Notes |
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