Merismatium
Merismatium is a genus of lichenicolous fungi of uncertain familial placement in the order Verrucariales. The genus was circumscribed in 1898 by Friedrich [Wilhelm Zopf].
, Species Fungorum accepts six species of Merismatium. Host information is from Diederich et al..Merismatium coccotremicola – host: CoccotremaMerismatium corae – host: CoraMerismatium deminutum – hosts: Polyblastia, Staurothele, Thelidium, VerrucariaMerismatium nigritellum – hosts: Catapyrenium, Leptogium, Lichenomphalia, Lopadium, Micarea, Mycobilimbia, Ochrolechia, ProtoblasteniaMerismatium peregrinum – host: RimulariaMerismatium thamnoliicola – host: ''Thamnolia''