Myriophyllum aquaticum(MYPBR)
Distribution details in Ireland
* US Fish and Wildlife Service (2018) Parrotfeather (Myriophyllum aquaticum) Ecological Risk Screening Summary. Pp. 25. https://www.fws.gov/fisheries/ans/erss/highrisk/ERSS-Myriophyllum-aquaticum_Final.pdf