Invasion information |
Range in Japan |
Almost entire Japan |
|
Origin |
Unknown. |
Date |
The first record was in 1936, at Hyogo Pref. |
Route |
Accidental: Details unknown. |
Impact |
Competition with native species and crops. Native organism(s) affected: Native grasses (e.g., Lindernia pyxidaria), rice plant, etc. This species have become more common than L. pyxidaria in some area. |
Regulation in Japan |
No action for prevention, mitigation, control, or eradication. |
Introduced range in other countries |
East Asia, Northeast Asia, North Asia, Southeast Asia, Central Asia, Himalaya, South Asia, West Asia, Europe. |