Synonyms
Philadelphus microphyllus var. linearis S.Y.Hu
Philadelphus microphyllus subsp. crinitus C.L.Hitchc.
Philadelphus crinitus (C.L.Hitchc.) S.Y.Hu
Philadelphus argyrocalyx var. argenteus (Rydb.) Engl.
Philadelphus microphyllus var. argenteus (Rydb.) Kearney & Peebles
Philadelphus microphyllus subsp. argenteus (Rydb.) C.L.Hitchc.
Philadelphus microphyllus var. ovatus S.Y.Hu
Philadelphus argenteus Rydb.
Philadelphus microphyllus subsp. occidentalis (A.Nelson) C.L.Hitchc.
Philadelphus microphyllus var. occidentalis (A.Nelson) Dorn
Philadelphus microphyllus f. zionensis C.L.Hitchc.
Philadelphus microphyllus var. crinitus (C.L.Hitchc.) B.L.Turner
Philadelphus occidentalis var. minutus (Rydb.) S.Y.Hu
Philadelphus minutus Rydb.
Philadelphus nitidus A.Nelson
Philadelphus occidentalis A.Nelson