Triphora trianthophora (Sw.) Rydb. [ Pogonia trianthophora (Sw.) Britton, Sterns & Poggenb.]
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Triphora trianthophora (Sw.) Rydb. [] [Orchidaceae]
A. Lounsberry, E. Rowan, Southern wild flowers and trees: p. 85, t. 28 (1901) [E. Rowan]