| Invasion information | ||
| Range in Japan | Almost entire Japan. |
|
| Origin | Unknown. | |
| Date | recorded in 1828 | |
| Route | accidentally introduced with agriculture material. | |
| Impact | competition with native species, crops, grass carpet. hosting virus. | |
| Regulation in Japan | Import of Solanacea plants from countries or areas with Ceratitis capitata, Leptinotarsa decemlineata, Globodera rostochiensis, Globodera pallida, Synchytrium endobioticum, or Peronospora tabacina is prohibited by the Plant Protection Law. | |
| Introduced range in other countries | South America, Oceania, Asia, Africa, Europe. | |
| Reference | Notes |
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