Dutch mycologist and botanist (1893–1964).
Karel Bernard Boedijn (29 June 1893 – 29 August 1964) was a Dutch botanist and mycologist who made significant contributions to the study of tropical fungi in the Dutch East Indies (present-day Indonesia). After earning his doctorate from the University of Amsterdam in 1925, he spent three decades in Southeast Asia as a professor and researcher, surviving Japanese internment during World War II when he identified medicinal plants for fellow prisoners. His prolific output of more than 80 scientific papers—covering diverse fungal groups from slime moulds to basidiomycetes and featuring his metic