heterotypic synonyms:
Rhododendron charianthum Hutch.;
protologue: Pl. Wilson. 1(3): 515 (1913)
2 876172 Rhododendron davidsonianum Rehder & E.H. WilsonW. Curtis, Bot. Mag., vol. 141 [ser. 4, vol. 11]: t. 8605 (1915) [M. Smith]
2 876172 Rhododendron davidsonianum Rehder & E.H. WilsonRev. Hort. (Paris), ser. 4, vol. 86 (86e ANNÉE - 1914): , fig. 3 (1914)
6 876172 Rhododendron davidsonianum Rehder & E.H. WilsonW. Curtis, Bot. Mag., vol. 142 [ser. 4, vol. 12]: t. 8665 (1916) [M. Smith]