Taxonomy: Fam. Violaceae// Genus: Viola// Species: Viola tricolor L.// Subspecies: Viola tricolor L. subsp. tricolor. Determined according to the botanical keys provided by Valentine, Merxmüller and Schmidt in Tutin et al. (1968) and Diklić in Josifović (1972). Species variability: Two subspecies of Viola tricolor L. occur in the Osogovo region: Viola tricolor L. subsp. tricolor and Viola tricolor subsp. macedonica (Boiss.Continue reading “Viola tricolor L. subsp. tricolor”