Rhododendron pemakoense Kingdon-Ward
Synonym(s):
Rhododendron patulum Kingdon-Ward
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
  • Kingdon Ward, F. 1930. Rhododendron patulum and its allies. in Gardeners' Chronicle 88: 298-299, p.298, FlagO