Rhododendron calendulaceum (Michx.) Torrey [ Azalea calendulacea Michx.]
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Rhododendron calendulaceum (Michx.) Torrey
[Azalea calendulacea Michx.] [Ericaceae]
J.J. Audubon, Birds Amer.: t. 198 (1826-1838) [J.J. Audubon]