Invasion information | ||
Range in Japan | Almost entire Japan. More dominant than S. altissima in Hokkaido. | |
Origin | Unknown. | |
Date | Middle Meiji Era (ca. 1880-1900). | |
Route | Deliberate: As ornamental plant. | |
Impact | Potentially: Competition with native species. Less abundant than S. altissima in most region in Japan. Native organism(s) affected: Native grasses. | |
Regulation in Japan | No action for prevention, mitigation, control, or eradication. | |
Introduced range in other countries | Europe. |
Reference | Notes |
|
100 of the Japan’s Worst Invasive Alien Species. |