Cryptoschizotrema

Genus of lichen-forming fungi

Cryptoschizotrema is a genus of lichen-forming fungi in the family Graphidaceae. It has two species. The genus was circumscribed in 2019 by lichenologists André Aptroot, Robert Lücking, and Marcela Cáceres. The genus name alludes to the similarity in anatomy with Schizotrema species. This resemblance is due to the partially carbonized, concentrically layered, and fissured excipulum, which gives the impression that the Schizotrema-like excipulum is concealed beneath a protective layer. The type species was originally described by William Nylander in 1867, as a species of Thelotrema.

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