Zwackhiomacromyces

Genus of lichen-dwelling fungi

Zwackhiomacromyces is a genus of lichenicolous (lichen-dwelling) fungi in the family Xanthopyreniaceae. It has two species. The genus is distinguished by its black, pear-shaped fruiting bodies with large, nipple-shaped ostioles that have a granular surface, and a dark, multi-layered wall made up of hyphal cells forming a pseudoparenchymatous structure. The genus is closely related to the similarly named genus Zwackhiomyces.

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