Invasion information | ||
Range in Japan | Hokkaido and some parts of Honshu. | |
Origin | Unknown. | |
Date | The first record was in 1959, at Mie Pref. | |
Route | Deliberate: For medicine Accidental: With imported crop. | |
Impact | Competition with native plants, crops, pasture, etc. Toxic. Parasites (insects, fungi) Native organism(s) affected: Native grasses, crops, etc. | |
Regulation in Japan | No action for prevention, mitigation, control, or eradication. | |
Introduced range in other countries | North and South America, Oceania, Africa, Asia |
Reference | Notes |
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