Invasion information | ||
Range in Japan | Almost entire Japan | |
Origin | Unknown. | |
Date | The first record was in ca. 1870, at Tokyo | |
Route | Accidental: Details unknown. | |
Impact | Competition with native species, crops, pasture, lawn grass, etc. Parasite (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 | N Africa, Asia, Australia, North and South Amrica. |
Reference | Notes |
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