A Part of the neighbor-joining tree of AFLP data of 100 central European individuals of Viola suavis subsp. suavis using Nei and Li distance. Numbers above branches indicate bootstrap support above 50%. Accession labels include taxon abbreviation (SUB – blue-flowered variant (V. suavis var. suavis); SUW – white-flowered variant (V. suavis var. pannonica)) and population numbers. Taken from Mereďa et al. (2008a) B V. suavis var. pannonica (Slovakia, Zbrojníky village; photographed by P. Mereďa Jr., 17 April 2013) C Viola suavis var. suavis (Hungary, Visegrád village; photographed by P. Mereďa Jr., 26 March 2011).