Elias Magnus Fries FRS FRSE FLS (15 August 1794 – 8 February 1878) was a Swedish mycologist and botanist.

[1] In his works he described and assigned botanical names to hundreds of fungus and lichen species, many of which remain authoritative today.

[3] In 1811 Fries entered Lund University[3] where he studied under Carl Adolph Agardh and Anders Jahan Retzius.

Borgströmianska professuren, a chair endowed by Erik Eriksson Borgström, 1708–1770) in applied economics at Uppsala University.

[8] Fries most important works were the three-volume Systema mycologicum (1821–1832), Elenchus fungorum (1828), the two-volume Monographia hymenomycetum Sueciae (1857 and 1863) and Hymenomycetes Europaei (1874).

[13] When he died, The Times commented: "His very numerous works, especially on fungi and lichens, give him a position as regards those groups of plants comparable only to that of Linnaeus.