Invasion information |
Range in Japan |
Fukushima, Chiba, Shizuoka, Shiga, Mie, Nara, Osaka, Wakayama, Hyogo, Okayama, Kagawa, Tokushima, Kochi, Saga, and Fukuoka Prefs. |
|
Origin |
USA |
Date |
The first record in Japan was in 1976, at Naruto, Tokushima Pref. |
Route |
Accidental: With imported other slope protection plant. |
Impact |
Competition with native species. Allelopathy. Intoxication by alkaloid to herbaceous (including domestic) animals. Native organism(s) affected: Native grasses and herbaceous animals. |
Regulation in Japan |
Import, transport and keeping are prohibited in Japan by the Invasive Alien Species Act. |
Introduced range in other countries |
N & S America, Hawaii, Australia, South Africa, Swaziland, etc. |