Marcussen, T.; Ballard, H.E.; Danihelka, J.; Flores, A.R.; Nicola, M.V.; Watson, J.M. 2022: A revised phylogenetic classification for Viola (Violaceae). Plants 11(17): 2224; https://doi.org/10.3390/plants11172224.
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| Marcussen, T.; Ballard, H.E.; Danihelka, J.; Flores, A.R.; Nicola, M.V.; Watson, J.M. 2022: A revised phylogenetic classification for Viola (Violaceae). Plants 11(17): 2224; https://doi.org/10.3390/plants11172224. |