Invasion information | ||
Range in Japan | Most of entire Japan | |
Origin | Unknown. | |
Date | 1870-1871 | |
Route | Deliberate: Cultivated by foreign people for food and medicine, and after escaped. | |
Impact | Potentially: Competition with native species. Parasite (insects) Native organism(s) affected: Water front plants. | |
Regulation in Japan | No action for prevention, mitigation, control, or eradication. | |
Introduced range in other countries | North and South America, Asia, Oceania |
Reference | Notes |
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