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Data Set Maintenance: Data set standard item. Data set author(s): Printzen C. Data set reviewer(s): Printzen C.; to be published after submission.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Biatora. Biatoraceae A. Massal. ex Stiz. (1862); Lecanorineae; Lecanorales.

Type Information: Type specimen label 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).

Taxonomic Literature: Printzen, C., Holien, H. & Etayo, J. 1998. Two new Biatora
species from Western Norway and Madeira. Lichenologist 30(3): 213-219.

Thallus: Crustose, not subdivided (non-sorediate parts endoxylic) parts. Thallus Outline: Soon disappearing. Upper Surface: Light green; sorediate.

Margin: Indistinct. Epithecium: Apical cells hyaline. Hymenium: 40 µm high. Hypothecium: White or brownish yellow (brownish granules).

Ascospores: Ellipsoid (sometimes slightly bent), (6.5)-9.2-(11) µm long, (3.5)-3.7-(4) µm wide; septa absent or rarely present; 0-(1)-transversally septate; wall not constricted where the septum meets the spore wall.

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