Rhododendron calendulaceum (Michx.) Torrey [ Azalea calendulacea Michx.]
      
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6 875884 Rhododendron calendulaceum (Michx.) Torrey [125 121876 Azalea calendulacea Michx.] Ericaceae
J. Lindley, Edwards’s Bot. Reg., vol. 17 : t. 1402 (1831) [M. Hart]