Viola canina var. oxyceras S. Watson nom. nud.
Viola canina var. oxyceras S. Watson nom. nud. is a synonym sensu Ballard, 2020 of:
Viola adunca Smith var. adunca, an accepted variety name sensu FNA Ed. Comm., 2015.
Viola canina var. oxyceras S. Watson nom. nud. is a synonym sensu Ballard, 2020 of:
Viola adunca Smith var. adunca, an accepted variety name sensu FNA Ed. Comm., 2015.