Douglas Barton Osborne Savile (July 19, 1909 – August 1, 2000) was an Irish-born Canadian mycologist, plant pathologist and evolutionary biologist.
Upon his return, he was employed in the Division of Botany and Plant Pathology at the Central Experimental Farm of the Department of Agriculture.
[2] Savile was a fellow of the Royal Society of Canada and a member of the American Association for the Advancement of Science.
[2] Among his scientific works, his studies of coevolution of Saxifragaceae,[3] Poaceae, Cyperaceae, Juncaceae[4] and their respective rust fungi stand out.
[2] During the 1960s and 1970s, he published some 80 papers on parasitic fungi of a number of plant families: Saxifragaceae,[6] Portulacaceae,[7] Onagraceae,[8] Apiaceae,[9] Scrophulariaceae,[10][11] Asteraceae,[12] Liliaceae,[13] Cyperaceae,[14] Juncaceae and Poaceae.