Invasion information | ||
Range in Japan | Central to western Japan | |
Origin | Unknown. | |
Date | Imported in Meiji era (1912 or earlier) | |
Route | Deliberate: For horticulture | |
Impact | Competition, hybridization with native species. | |
Regulation in Japan | No action for prevention, mitigation, control, or eradication. | |
Introduced range in other countries | Unknown. |
Reference | Notes |
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