Cheirostylis merrillii (Ames & Quisumb.) Ormerod, drawing José M. Salazar in Philipp. J. Sci. 44 (1931) pl. 1, fig. 7-8 (as Adenostylis merrillii Ames & Quisumb.)
Cheirostylis merrillii (Ames & Quisumb.) Ormerod, drawing José M. Salazar in Philipp. J. Sci. 44 (1931) pl. 3, fig. 1-5 (as Adenostylis merrillii Ames & Quisumb.)
Cheirostylis octodactyla Ames, drawing Blanche Ames in Ames, Orchidaceae 3 (1909) pl. 40