Template:Sarma & Shyam, 1980
- Sarma, Y.S.R.K. & Shyam, R. 1980. Studies on North Indian Volvocales I: the genus Pyrobotrys Arnoldi. In: Taxonomy of Algae. Papers Presented at the International Symposium on Taxonomy of Algae held at the Centre of Advanced Study in Botany, University of Madras, December 9-16, 1974. (Desikachary, T.V. & Raja Rao, V.N. Eds), pp. 321–335. Madras: University of Madras.