Oscillatoria muscorum C. Agardh, 1824: 65 (lectotype locality: Jäder, Västmanland, Sweden fide Drouet, 1968: 191).
Symploca muscorum (C. Agardh) Gomont, 1890: 354.—Biswas, 1926: 25, pl. VII: fig. 13.— Desikachary, 1959: 337, pl. 59: figs. 3, 4 (in part; see also Phormidium lyngbyaceum [p. 52]).— G. Subramanian et al., 1989: 314, 317, 319, 321.— Thajuddin & G. Subramanian, 1992a: table III.
INDIAN OCEAN DISTRIBUTION: India.
Note: Drouet (1968: 191, 195) chose a specimen in LD as the lectotype of this species and assigned it to Oscillatoria retzii C. Agardh.