Rhododendron parryae Hutch.
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.161
  • Hutchinson, J. 1933. A new Maddenii Rhododendron. in Gardeners' Chronicle 93: 386-387, p.386, FlagO