Rhododendron rupicola var. chryseum (Balf.f & Kingdon-Ward) Philipson & M.N.Philipson
Synonym(s):
Rhododendron chryseum Balf.f. & 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.175
  • Philipson, M.N. & W.R. Philipson 1975. A Revision of Rhododendron Section Lapponicum. in Notes from the Royal Botanic Garden Edinburgh 34: 1-72, p.62, FlagO