Invasion information | ||
Range in Japan | Entire Japan | |
Origin | Unknown. | |
Date | 1873 | |
Route | Deliberate: for afforestation, erosion control, roadside tree, etc. | |
Impact | Competition against native species. Nutrient enrichment in soil. Native organism(s) affected: Native plants. | |
Regulation in Japan | Keeping of this species in Saga Pref. are controled by a prefectural ordinance. | |
Introduced range in other countries | Worldwide. |
Reference | Notes |
|
100 of the Japan’s Worst Invasive Alien Species |