Rhododendron wallichii Hook.f.
Rhododendron heftii Davidian
Rhododendron campanulatum D.Don var. wallichii (Hook.f.) Hook.f.
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.199
  • Hooker, J.D. 1849. Rhododendrons of Sikkim Himalaya. London: L. Reeve & Co. t.30, 14 pp. p.t.5