Spiranthes longilabris Lindl. [ Gyrostachys brevifolia (Chapm.) Kuntze]
no HD illustration available (m1)
Spiranthes longilabris Lindl. [Orchidaceae]
A. Lounsberry, E. Rowan, Southern wild flowers and trees: p. 86, t. 29, fig. 2 (1901) [E. Rowan]