Rhododendron augustinii subsp. chasmanthum (Diels) Cullen
Synonym(s):
Rhododendron augustinii subsp. rubrum (Davidian) Cullen
Rhododendron augustinii subsp. hardyi (Davidian) Cullen
Rhododendron chasmanthoides Balf.f. & Forrest
Rhododendron hardyi Davidian
Rhododendron bergii Davidian
Rhododendron hirsuticostatum Hand.-Mazz.
Rhododendron chasmanthum Diels
Rhododendron augustinii var. rubrum Davidian
Data source(s):
  • Argent, C.G.C., J. Bond, D.F. Chamberlain, P. Cox & A. Hardy 1997. The Rhododendron Handbook. The Royal Horticultural Society 352, t.16 pp., p.91
  • Cullen, J. & D.F. Chamberlain 1978. A preliminary synopsis of the genus Rhododendron. in Notes from the Royal Botanic Garden Edinburgh 36: 105-126, p.109, FlagO