Crassiperidium Matsum. & Kaz. Tanaka, in Matsumura et al., Mycosphere 9(6): 1259 (2018).
MycoBank number: MB 555726; Index Fungorum number: IF 555726; Facesoffungi number: FoF 05595; 2 morphological species (Species Fungorum 2020), 2 species with molecular data.
Type species – Crassiperidium octosporum M. Matsum. & Kaz. Tanaka, in Matsumura et al., Mycosphere 9(6): 1259 (2018).
Notes – Crassiperidium was introduced by Matsumura et al. (2018) to accommodate a parasitic fungus found on Fagus crenata in Japan. The genus is similar to Asteromassaria (Pleomassariaceae) and Pseudoasteromassaria (Latoruaceae) but differs from those by its asexual morph characters (Matsumura et al. 2018). The asexual morph of Crassiperidium having pycnidial conidiomata with cylindrical, muti-septate, hyaline conidia.