As classified in WFO snapshot
June 2023
Warning: older classification
variety
Philadelphus grandiflorus var. floribundus
(Schrad. ex DC.) Torr. & A.Gray
This variety name was first published in Fl. N. Amer. 1: 595 (1840)
This variety name has been reclassified since this snapshot. Its current preferred usage is a synonym .