Macrotyphula
''Macrotyphula'' is a genus of clavarioid fungi in the family (biology), family Phyllotopsidaceae. Basidiocarps (fruit bodies) are simple, narrowly club-shaped to filiform, sometimes arising from a sclerotium. They typically grow on dead wood or leaf litter, often in swarms. Taxonomy The genus was described in 1972 by American mycologist Ronald H. Petersen for ''Macrotyphula fistulosa, M. fistulosa'' which he considered morphologically distinct from species in the genus ''Clavariadelphus'' where it had previously been referred. Additional species have subsequently been referred to ''Macrotyphula''. Molecular phylogenetics, Molecular research, based on cladistic analysis of DNA sequences, indicates that the genus is monophyletic and forms a natural group. The genus ''Sclerotium'' ''Sclerotium'' was introduced by the German mycologist and theologian Heinrich Julius Tode in 1790 to accommodate fungal sclerotia (propagules composed of thick-walled hyphae). Over 400 species were ...
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