Invasion information | ||
Range in Japan | Most of entire Japan | |
Origin | Unknown. | |
Date | The first record was in 1960, at Tokyo. | |
Route | Deliberate: As ornament. | |
Impact | Potentially: Competition with native species and crops. Native organism(s) affected: Native plants. | |
Regulation in Japan | No action for prevention, mitigation, control, or eradication. | |
Introduced range in other countries | North and South America, Asia, N Africa, Oceania. |
Reference | Notes |
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