What has the author Hem Chandra Ray written?

Hem Chandra Ray (May 11, 1882–March 11, 1942), also known as 'Bidyasundar', was an Indian botanist and physician. A pioneering phycologist and the father of Indian Phycology, he did extensive work on the systematics and ecology of freshwater algae. He authored some 500 scientific papers on different aspects of the taxonomy, anatomy and breeding behavior of algae.

Some of his prominent works include:

* "A Monograph on the Genus Batrachospermum" (1932)

* "The Algal Flora of Eastern India" (1938)

* "A Monograph on the Green Algae of the United Provinces" (1944)

* "Phytoplankton of Puri Lake" (1941)

* "My Life and Work" (1942)

* "Ecology of Bengal Tanks" (1942)