⚠ Version 1 of The Plant List has been superseded.

This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Oxalis oregana in version 1.1 of The Plant List.

Oxalis oregana Brewer & S. Watson is a synonym of Oxalis trilliifolia Hook.

This name is a synonym of Oxalis trilliifolia Hook..

The record derives from Tropicos which reports it as a synonym (record 50196140) with original publication details: Bot. California 1: 96 96 1876.