sentences:  ", treated as if conserved against earlier homonyms and competing synonyms) in 1821 by the "father of mycology", Swedish naturalist Elias Magnus Fries.The starting date for all the mycota had been set by general agreement as 1 January 1821, the date of Fries' work.The 1987 edition of the International Code of Botanical Nomenclature revised the rules on the starting date and primary work for names of fungi; names can now be considered valid as far back as 1 May 1753, hence predating publication of Bulliard's work.