⚠ Version 1 of The Plant List has been superseded.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 Oenothera deltoides in version 1.1 of The Plant List.

Oenothera deltoides var. howellii Munz is a synonym of Oenothera deltoides subsp. howellii (Munz) W.M. Klein

This name is a synonym of Oenothera deltoides subsp. howellii (Munz) W.M. Klein.

The record derives from Tropicos which reports it as a synonym (record 23201247) with original publication details: Aliso 2(1): 81, 83 81 1949.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:172934-2.