''Cryptomarasmius'' is a genus of fungi in the family Physalacriaceae.

Taxonomy

The genus covers species formerly placed in '' Marasmius'', section ''Hygrometrici''. The section ''Hygrometrici'' was described in 1933 by French mycologist Robert Kühner (as "Hygrometriceae") to contain ''Marasmius'' species that were small with a dark, wiry stipe, gills not arranged in a collar around the stipe, and a dark cap with a layer of broom cells. The type species is '' Cryptomarasmius corbariensis'' (formerly ''Marasmius corbariensis'' and originally ''Agaricus androsaceus'' var. ''hygrometricus'', first described in 1852 by Vincenzo Briganti). ''Cryptomarasmius'' combines the words ''crypto'' meaning "hidden" and ''Marasmius'', alluding to the historical placement of the species within ''Marasmius'' as well as the often hidden, minute fruit bodies they produce. A more recent studies show ''Cryptomarasmius'' to be a sister taxon to '' Naiadolina''.

Species

Fourteen species were originally transferred to ''Cryptomarasmius'' from ''Marasmius''. The authors suggest that there are several more that should probably be moved from section ''Hygrometrici'', but they only made new combinations for those species with

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specimens that were available for

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or study.

References

Agaricales genera Physalacriaceae {{Physalacriaceae-stub