Invasion information | ||
Range in Japan | Almost entire Japan. |
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Origin | Unknown. | |
Date | The first establishment record was in 1905. | |
Route | Deliberate: As fiber crop Accidental: With cattle feed (corn, soy bean). | |
Impact | Competition with native species, crops, pasture. Allelopathy. Contamination to cattle feed cause quality loss of milk. Disturbing corn hervester. Parasite (fungi) Affected organism: Native grasses, crops, pasture, etc. | |
Regulation in Japan | Keeping this species is prohibited in Shiga Pref. | |
Introduced range in other countries | Asia, S Europe, N Africa, Australia, North America, etc. |
Reference | Notes |
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100 of the Japan’s Worst Invasive Alien Species |