French botanist and mycologist (1862-1947).
Pierre Clement Augustin Dangeard (23 November 1862, Ségrie – 10 November 1947, Ségrie) was a botanist and mycologist known for his investigations of sexual reproduction in fungi. He was the father of botanist Pierre Dangeard (1895–1970) and geologist Louis Dangeard (1898–1987). Beginning in 1883, he worked as a préparateur to the faculty at Caen, earning his doctorate in 1886. Following graduation, he served as chief of travaux de botanique. In 1891 he was appointed associate professor of botany at the University of Poitiers, later relocating to Paris as a lecturer at the faculty of sciences.