Philadelphus lewisii var. helleri (Rydberg) S.Y Hu
Philadelphus lewisii var. helleri (Rydberg) S.Y Hu is a synonym sensu FNA Ed. Comm., 2016 of:
Philadelphus lewisii Pursh, an accepted species name sensu FNA Ed. Comm., 2016.
Philadelphus lewisii var. helleri (Rydberg) S.Y Hu is a synonym sensu FNA Ed. Comm., 2016 of:
Philadelphus lewisii Pursh, an accepted species name sensu FNA Ed. Comm., 2016.