Taxon - Odkazy a literatura
Kew Science - Plants of the World online 2024-05 [312805-2]
Kew Science - Plants of the World online [https://powo.science.kew.org], Facilitated by the Royal Botanic Gardens, Kew [jako Viola polycephala H.E.Ballard & P.M.Jørg.]
Datum citace: 30. leden 2025
C. Ulloa et al. (2017): An integrated assessment of the vascular plant species of the Americas, Science. 358. 1614-1617 [jako Viola polycephala H.E. Ballard & P. Jørg.]Datum citace: 25. září 2019