As classified in WFO snapshot
December 2023
Warning: older classification
subspecies
Oenothera biennis subsp. rubricaulis
(Kleb.) Stomps
This subspecies name was first published in Recueil Trav. Bot. Néerl. 41: 136. 1948
This subspecies name has been reclassified since this snapshot. Its current preferred usage is a synonym .