Philadelphus gordonianus var. columbianus (Koehne) Rehder
Philadelphus gordonianus var. columbianus (Koehne) Rehder is a synonym sensu FNA Ed. Comm., 2016 of:
Philadelphus lewisii Pursh, an accepted species name sensu FNA Ed. Comm., 2016.
Philadelphus gordonianus var. columbianus (Koehne) Rehder is a synonym sensu FNA Ed. Comm., 2016 of:
Philadelphus lewisii Pursh, an accepted species name sensu FNA Ed. Comm., 2016.