⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-50121224, with some changes.

Scrophularia oregana Pennell is a synonym of Scrophularia californica var. oregana (Pennell) Cronquist

This name is a synonym of Scrophularia californica var. oregana (Pennell) Cronquist.

The record derives from Tropicos which reports it as a synonym (record 50121224) with original publication details: Bull. Torrey Bot. Club 55(6): 316-317 316 1928.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:230993-2.