Invasion information | ||
Range in Japan | Shizuoka, Aichi, Hyogo, and Osaka Prefs. | |
Origin | Unknown. | |
Date | The first record in Japan was in May 1990 at Iwata, Shizuoka Pref. | |
Route | Deliberate: Escape of ornamental plant. | |
Impact | Competition, hybridization with native species. Native organism(s) affected: Native aquatic plants | |
Regulation in Japan | No action for prevention, mitigation, control, or eradication. | |
Introduced range in other countries | Unknown. |
Reference | Notes |
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