⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-50129344, and has not been changed.

Onagra arguta (Greene) Small is a synonym of Oenothera stricta subsp. altissima W. Dietr.

This name is a synonym of Oenothera stricta subsp. altissima W. Dietr..

The record derives from Tropicos which reports it as a synonym (record 50129344) with original publication details: Bull. Torrey Bot. Club 23(5): 172 172 1896.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:173859-2.