| Specklinia yucatanensis (Ames & C. Schweinf.) Pridgeon & M.W. Chase, 2001 |
| Spiranthes Rich., 1817 |
| Spiranthes acaulis (Sm.) Cogn., 1895 |
| Spiranthes adnata (Sw.) Benth. ex Fawc., 1893 |
| Spiranthes affinis C. Schweinf., 1937 |
| Spiranthes aguacatensis Rchb. f., 1855 |
| Spiranthes albovaginata C. Schweinf., 1937 |
| Spiranthes arseniana Kraenzl., 1915 |
| Spiranthes assurgens Rchb. f., 1866 |
| Spiranthes aurantiaca (Lex.) Hemsl., 1884 |
| Spiranthes aurantiaca var. acuminata B.L. Rob. & Seaton, 1893 |
| Spiranthes bicaudata Ames, 1922 |
| Spiranthes bracteolaris Kraenzl., 1915 |
| Spiranthes brenesii Schltr., 1912 |
| Spiranthes cerina Lindl., 1842 |
| Spiranthes chartacea L.O. Williams, 1946 |
| Spiranthes chiangii M.C. Johnst., 1980 |
| Spiranthes chloraeformis A. Rich. & Galeotti, 1845 |
| Spiranthes cinnabarina (Lex.) Hemsl., 1884 |
| Spiranthes cobanensis Schltr., 1918 |