| Invasion information | ||
| Range in Japan | Kanagawa,Miyazaki,and Eastern side of Tenryu River in Iwata, Shizuoka Pref. |
|
| Origin | Taiwan (possibly) | |
| Date | The first record was in 2006, at Iwata, Shizuoka Pref. | |
| Route | Accidental: With imported plant from Taiwan. | |
| Impact | Unknown. | |
| Regulation in Japan | Invasive alien species (Invasive Alien Species Act) | |
| Introduced range in other countries | None. | |
| Reference | Notes |
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