kingdom Plantae - plants »  divisio Magnoliophyta - flowering plants »  class Rosopsida - eudicots » order Malpighiales »  family Violaceae »  tribus Violeae > genus Viola > Viola sect. Melanium  Ging. 

Viola × contempta Jord.

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Viola arvensis Murray × Viola tricolor L. 

Distributional Range: Native Europe 

Habitat: 

References:

1. Tutin, T. G. et al., eds. 1964-1980. Flora europaea.