| Invasion information | ||
| Range in Japan | Kanto District to western Japan |
|
| Origin | Unknown. | |
| Date | The first record was in 1949 at Kyoto Pref. After, recorded in 1952 at Kanazawa, Ishikawa Pref. | |
| Route | Deliberate: A ornamental plant and for greening. | |
| Impact | Competition with native species. Native organism(s) affected: Native grasses. | |
| Regulation in Japan | No action for prevention, mitigation, control, or eradication. | |
| Introduced range in other countries | Africa, Europe, Asia, etc. | |
| Reference | Notes |
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