homotypic synonyms:
Azalea rubiginosa (Franch.) Kuntze;
protologue: Bull. Soc. Bot. France 34: 282 (1887)
2 877440 Rhododendron rubiginosum Franch.
W. Curtis, Bot. Mag., vol. 124 [ser. 3, vol. 54]: t. 7621 (1898) [M. Smith]
Azalea rubiginosa (Franch.) Kuntze;
protologue: Bull. Soc. Bot. France 34: 282 (1887)
2 877440 Rhododendron rubiginosum Franch.W. Curtis, Bot. Mag., vol. 124 [ser. 3, vol. 54]: t. 7621 (1898) [M. Smith]