Melanospora chionea (Fr.) Corda, Icon. fung. (Prague) 1: 24. 1837.

Ceratostoma chioneum Fr., Observ. mycol. (Havniae) 2: 340. 1818. [Basionym]

≡ Sphaeria chionea (Fr.) Fr., Syst. mycol. (Lundae) 2: 446. 1823.

≡ Melanospora chionea var. chionea (Fr.) Corda, Icon. fung. (Prague) 1: 24, tab. 7, fig. 297. 1837.

= Sphaeria biformis var. brachystoma Pers., Syn. meth. fung. ( Göttingen) 1: 60. 1801.

≡ Melanospora chionea var. brachystoma (Pers.) Sacc., Syll. fung. (Abellini) 2: 461. 1883.

= Sphaeria leucophaea Fr., Elench. fung. (Greifswald) 2: 92. 1828.

≡ Ceratostoma leucophaeum (Fr.) Fr., Summa veg. Scand., Section Post. (Stockholm): 396. 1849.

≡ Melanospora chionea var. leucophea (Fr.) Sacc., Syll. fung. (Abellini) 2: 461. 1883.

= Melanospora antarctica Speg., Boln Acad. nac. Cienc. Córdoba 11: 233. 1888.

Notes.

This species is characterized by white, tomentose ascomata and discoid, smooth-walled ascospores with depressed germ pores.