Hygrophila polysperma(HYGPO)
Distribution details in Germany
Current pest situation evaluated by EPPO on the basis of information dated
2007: Present, few occurrences
First recorded in: 2007
First recorded in: 2007
EPPO Reporting Service (2012/083) : found in 2007 in Germany in Nordrhein-Westfalen (Kasterer Mühlenerft) in the Erft thermal river, as well as in Lake Fülinger near Köln. Casual only.
* Hussner A, Josephs M & Schmitz U (2007) About Hygrophila polysperma (Roxb.) T. Anderson and Pontederia cordata in North Rhine-Westphalia. Floristische Rundbriefe 40, 25-30.
* Hussner A (2005) Zur Verbreitung aquatischer Neophyten in der Erft (Nordrhein-Westfalen). Frankfurter Geobotanische Kolloquien 19, 55-58.
* Hussner A (2005) Zur Verbreitung aquatischer Neophyten in der Erft (Nordrhein-Westfalen). Frankfurter Geobotanische Kolloquien 19, 55-58.
| Country | State | Status | |
|---|---|---|---|
| Austria | Present, no details | ||
| Poland | Present, few occurrences |