Thomas Marcussen, Harvey E. Ballard, Jiří Danihelka, Ana R. Flores, Marcela V. Nicola, John M. Watson (2022)
A Revised Phylogenetic Classification for Viola (Violaceae).
Plants11: 2224.
DOI: 10.3390/plants11172224
Xiao-Chen Li, Zheng-Wei Wang, Qi Wang, Bin-Jie Ge, Bin Chen, Ping Yu, Xin Zhong (2022)
Viola shiweii, a new species of Viola (Violaceae) from karst forest in Guizhou, China.
PhytoKeys196: 63.
DOI: 10.3897/phytokeys.196.83176