Synonyms
Rhododendron augustinii f. rubrum (Davidian) R.C.Fang
Rhododendron augustinii f. hardyi (Davidian) R.C.Fang
Rhododendron augustinii var. chasmanthum (Diels) R.C.Fang
Rhododendron augustinii var. rubrum Davidian
Rhododendron augustinii f. grandifolum Franch.
Rhododendron augustinii f. subglabrum Franch.
Rhododendron augustinii subsp. rubrum (Davidian) Cullen
Rhododendron augustinii subsp. hardyi (Davidian) Cullen