Bot. Not. 1953: 195 (1953).

Synonyms: Index Fungorum

Protolog: Data lacking.

Type locality: USA, Wisconsin, Douglas County, Superior, Billings Drive, on bark of Populus balsamifera, 1942, J. W. Thomson 1432 (UPS - holotype).

Type locality coordinates: 46°43'9?N, 92°6'10?W; 46.719167°, -92.102778°.