Rhododendron calendulaceum (Michx.) Torrey [ Azalea calendulacea Michx.]
      
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6 875884 Rhododendron calendulaceum (Michx.) Torrey [125 121876 Azalea calendulacea Michx.] Ericaceae
B. Maund, Bot. Gard., vol. 4 : t. 79, fig. 1 (1831) [E.D. Smith]