Sampling locations for 9a) Lagarosiphon major, 9b) Egeria densa, 9c) Elodea canadensis. Locations abbreviations are listed in the Abbreviations section. The numbers in gray under the locality name indicate polymorphic DNA fragments present in the samples of that population. The same number in different populations refers to the same polymorphic fragment and is an indication of dispersal events between such populations.
Lambertini et al. BMC Genetics 2010 11:52 doi:10.1186/1471-2156-11-52