Viola uliginosa is a species of flowering plant belonging to the family Violaceae. Common name swamp violet.Slazak, B., Sliwinska, E., Saługa, M. et al. Micropropagation of Viola uliginosa (Violaceae) for endangered species conservation and for somaclonal variation-enhanced cyclotide biosynthesis. Plant Cell Tiss Organ Cult 120, 179–190 (2015). doi.org/10.1007/s11240-014-0592-3 It is native to Europe.
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