Mandayam Osuri Parthasarathy Iyengar (1886-1963) was a prominent Indian botanist and phycologist who researched the structure, cytology, reproduction and taxonomy of Algae. He is known as the "father of Indian phycology" or "father of algology in India". He was the first President of Phycological Society of India. He primarily studied spirogyra . He is a prominent phycologist of India ."Shwet Mishra"
Iyengar, M. (1962). "Euglena studies from Madras". Archiv für Mikrobiologie. 42 (3): 322–332. doi:10.1007/BF00422049. Iyengar, M. (1973). "Contributions to our knowledge of South Indian algae. V.". Proceedings of the Indian Academy of Sciences Section B. 78 (6): 257–274. doi:10.1007/BF03045606. Iyengar, M. & Ramanath, K. R. (1974). "Contributions to our knowledge of South Indian algae. VI. Sexual reproduction in Crucigenia lauterbornei Schmidle". Proceedings of the Indian Academy of Sciences Section B. 79 (6): 227–229. doi:10.1007/BF03045453. CS1 maint: Uses authors parameter (link)Iyengar, M. (1974). "Contributions to our knowledge of South Indian algae. VII.". Proceedings of the Indian Academy of Sciences Section B. 79 (6): 236–250. doi:10.1007/BF03045455. Iyengar, M. (1975). "Contributions to our knowledge of South Indian algae. VIII.". Proceedings of the Indian Academy of Sciences Section B. 81 (1): 29–60. doi:10.1007/BF03050744. Iyengar, M. & Desikachary, T. (1976). "Contributions to our knowledge of South Indian algae. IX.". Proceedings of the Indian Academy of Sciences Section B. 84 (5): 159–164. doi:10.1007/BF03045536. CS1 maint: Uses authors parameter (link)Iyengar, M. (1957). "Developmental stages of filariae in mosquitoes". South Pacific Commission Technical Paper. 104. 
