in Printzen, Holien & Etayo, Lichenologist 30, 3: 217 (1998).

Protolog: Species sorediatus generis Biatorae. Thallus maximam partem immersus in substrato, acidum divaricatum continens. Apothecia minuta, ochracea, sessilia, basin versus constricta. Hymenium, subhymenium excipulumque granulis ochraceis dense instructi. Sporae simplices, 6.5-11 x 3.5-4 µm. Pycnidia immersa, subglobosa. Conidia bacilliforma, 3.5-5 x 0.8-1.2 µm.

Protolog type data: Norway, Sør-Trøndelag, Meldal, N-facing slope of Stavelitjørn, on decaying wood of Picea abies in spruce forest, c. 260 m, 1 x 1991, H. Holien 4785 (TRH - holotypus).

Type locality: Norway, Sør-Trøndelag, Meldal, N-facing slope of Stavelitjørn, on decaying wood of Picea abies in spruce forest, c. 260 m, 1.1.1991, H. Holien 4785 (TRH - holotypus).

Type locality coordinates: Data lacking.

Molecular barcode: Data lacking.

Thallus: effuse, spreading, sorediate, c. 120 µm high; esorediate parts endoxylic with no ... (Printzen et al. 1998: 217).

Photobiont: Data lacking.

Chemistry: Soralia K-, C-, KC-, PD-, UV+ white, divaricatic acid detected by TLC and HPLC (Printzen et al. 1998: 217).