| Invasion information | ||
| Range in Japan | Akita, Miyagi, Yamagata, Chiba, Kanagawa, Shizuoka, Aichi, Mie, Shiga, Osaka, Hyogo, Okayama, Hiroshima, Tottori, Shimane, Tokushima, and Fukuoka Prefs. |   | 
| Origin | Unknown. | |
| Date | The first recode was in 1960 at Kitakyushu, Fukuoka Pref. | |
| Route | Unknown. | |
| Impact | Competition with native species. Native organism(s) affected: Native herbs. | |
| Regulation in Japan | No action for prevention, mitigation, control, or eradication. | |
| Introduced range in other countries | Unknown. | |
| Reference | Notes | 
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