Microthecium fusisporum (Petch) Y. Marin, Stchigel, Guarro & Cano comb. nov.
Sphaeroderma fusisporum Petch, Naturalist, London: 58. 1936. [Basionym]
≡ Melanospora fusispora (Petch) Doguet, Botaniste 39: 215. 1955.
= Melanospora fusispora var. fusispora (Petch) Doguet, Botaniste 39: 215. 1955.
= Melanospora fusispora var. parvispora Matsush., Matsush. Mycol. Mem. 8: 24. 1995.
Notes.
Microthecium fusisporum is related to Mi. nectrioides, both possessing ostiolate ascomata and smooth-walled ascospores. However, Mi. nectrioides can be distinguished by the absence of the crown of setae around the ostiole and its citriform ascospores, being fusiform in Mi. fusisporum .