Xanthopsoroma is a small genus of lichen-forming fungi in the family Pannariaceae.
[1] Xanthopsoroma was circumscribed as a new genus in 2010 when it was separated from the closely related genus Psoroma.
Characteristics of Xanthopsoroma species include the production of usnic acid and a series of distinct triterpenes as well as showing morphological differences from the related Psoroma and Psorophorus.
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