“…The analysis of the available Craspedacusta mtDNA COI sequences agrees with previous studies [20,21,[23][24][25], and it supports the existence of at least three distinctive clades within Craspedacusta sowerbii s.l. : "clade C1", which comprises sequences from Morocco, Spain, Central-Northern Italy, Germany, India, and the Chinese province of Sichuan (Figure 3); "clade C2", which comprises sequencies from Chile, Canada, the USA, Sicily (Southern Italy), Northern Italy, Germany, Czech Republic, Greece, China, Singapore, and Japan, and six sequences of unknown origin; and "Clade C3", which comprises a sequence from Switzerland (MF000493 Ringwiler Weier), one from Japan (MZ326744 Osaka), and one of unknown origin.…”