Invasion information | ||
Range in Japan | Almost entire Japan | |
Origin | Unknown. | |
Date | ca. 1867 | |
Route | Accidental: Details unknown. | |
Impact | Competition with native species, crops, pasture, etc. Parasite (insects, fungi). Native organism(s) affected: Native grasses, crops, pasture, etc. | |
Regulation in Japan | No action for prevention, mitigation, control, or eradication. | |
Introduced range in other countries | Europe, Africa, Oceania, South America. |
Reference | Notes |
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