As classified in WFO snapshot
June 2024
Warning: older classification
variety
Oenothera sinuata var. grandis
Britton
This variety name was first published in Mem. Torrey Bot. Club 5(Sig. 23): 358. 1894 [16 Dec 1894]
This variety name has been reclassified since this snapshot. Its current preferred usage is a synonym .