AnimaliaMelanosporalesCeratostomataceaeMarin-FelixYasminaGuarroJosepano-LiraJosé F.GarcíaDaniaillerAndrew N.StchigelAlberto M.Melanospora (Sordariomycetes, Ascomycota) and its relativesMycoKeys181220182018448112210.3897/mycokeys.44.29742 Microthecium micropertusum 812101 (Y. Horie, Udagawa & P.F. Cannon) Y. Marín, Stchigel, Guarro & Canocomb. nov. Sphaerodes micropertusa Y. Horie, Udagawa & P.F. Cannon, Mycotaxon 25: 236. 1986. [Basionym]Notes.

Microtheciummicropertusum is distinguished by its ostiolate ascomata, fusiform to citriform or nearly rhombic in outline ascospores with inconspicuous ridges forming a coarse reticulum, and presence of phialidic asexual morph. For morphological comparison see Notes of Mi.masonii.