⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-50106939, with some changes.

Viola canina var. oxyceras S. Watson is a synonym of Viola adunca Sm.

This name is a synonym of Viola adunca Sm..

The record derives from Tropicos which reports it as a synonym (record 50106939) with original publication details: Bot. California 1: 56 56 1876.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:265797-2.