Swedish mycologist (1921—1995).
John Leonard Eriksson (26 March 1921 in Hagfors – 1 June 1995) was a Swedish mycologist. He specialized in crust fungi of the basidiomycetes, collecting in Sweden (especially in Muddus National Park, the Gothenburg region and Värnamo), Finland and Canada. Eriksson was a student of John Axel Nannfeldt and Seth Lundell, and defended his doctoral dissertation Studies in the Heterobasidiomycetes and Homobasidiomycetes-Aphyllophorales of Muddus National Park in Northern Sweden[3] on the wood-associated fungal flora in Muddus National Park at Uppsala University in 1958. The opponent (similar to an e