Philadelphus helleri Rydberg
Philadelphus helleri Rydberg is a synonym sensu FNA Ed. Comm., 2016 of:
Philadelphus lewisii Pursh, an accepted species name sensu FNA Ed. Comm., 2016.
Philadelphus helleri Rydberg is a synonym sensu FNA Ed. Comm., 2016 of:
Philadelphus lewisii Pursh, an accepted species name sensu FNA Ed. Comm., 2016.