EPPO Global Database

Gymnocoronis spilanthoides(GYNSP)

Distribution details in Italy

Situation
Current pest situation evaluated by EPPO on the basis of information dated 2016: Present, restricted distribution
Comments
EPPO Reporting Service (2016/160) : first found in July 2015 in an irrigation canal in Zerbolò (Lombardia). Further surveys revealed an additional population 1.9 km from the first. The monospecific mats occupy stretches up to 519 m in length covering the whole width of the canal.
References
* Ardenghi NMG, 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, DOI: 10.3372/wi.46.46208