Figure 9From: Paralia (Bacillariophyta) stowaways in ship ballast: implications for biogeography and diversity of the genus Distribution of Paralia species recovered in this study and in MacGillivary and Kaczmarska [ 6 , 10 ]. Inserts show hotspots of species richness. Leftmost is Vancouver Island, Canada and rightmost is Cape Breton Island, Canada. Leader lines to inserts emanate from original location on world map. P. marina, specimens collected from natural waters are denoted as ‘site’ while those collected on trans-Atlantic voyages are denoted as ‘TAVs’.Back to article page