Fonte
Ardenghi N. M. G., Barcheri G., Ballerini C., Cauzzi P. & Guzzon F. (2016) - Gymnocoronis spilanthoides (Asteraceae, Eupatorieae), a new naturalized and potentially invasive aquatic alien in S Europe. – Willdenowia 46: 265 – 273. doi: http://dx.doi.org/10.3372/wi.46.46208
