Microthecium retisporum Udagawa & Cain, Can. J. Bot. 47: 1926. 1970. Fig. 5H, N

≡ Sphaerodes retispora (Udagawa & Cain) P.F. Cannon & D. Hawksw., J. Linn. Soc., Bot. 84: 149. 1982.

= Microthecium retisporum var. inferius Udagawa & Cain [as ' inferior '], Can. J. Bot. 47: 1928. 1970.

≡ Sphaerodes retispora var. inferior (Udagawa & Cain) P.F. Cannon & D. Hawksw., J. Linn. Soc., Bot. 84: 149. 1982.

≡ Sphaerodes inferior (Udagawa & Cain) D.W. Li & N.P. Schultes, in Schultes, Murtishi & Li, Fungal Biology 121: 901. 2017.

= Microthecium retisporum var. retisporum Udagawa & Cain, Can. J. Bot. 47: 1926. 1970.

≡ Sphaerodes retispora var. retispora (Udagawa & Cain) P.F. Cannon & D. Hawksw., J. Linn. Soc., Bot. 84: 149. 1982.

Notes.

This species is characterized by non-ostiolate ascomata, reticulate citriform ascospores with apiculate germ pores, a phialidic asexual morph and presence of bulbils. For morphological comparison see Notes of Mi. beatonii .