Isotria verticillata (Muehl. ex Willd.) Raf. [ Pogonia verticillata (Muehl. ex Willd.) Nutt.]
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Isotria verticillata (Muehl. ex Willd.) Raf. [ Arethusa verticillata Muehl. ex Willd.] [Orchidaceae]
A. Lounsberry, E. Rowan, Southern wild flowers and trees: p. 83, t. 27 (1901) [E. Rowan]