Rhododendron macgregoriae × zoelleri F.Muell.
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.
  • Sleumer, H. 1966. Flora Malesiana: Vol.6. Ericaceae. Groningen, Netherlands: N. V. Dijkstra's Drukkerij V/h Boekdrukkerij Gebr. Hoitsema 469-668 pp. illus.
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