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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 or basionymous. Taxonomic rank: species. Biatora. Biatoraceae A. Massal. ex Stiz. (1862); Lecanorineae; Lecanorales.

Type Information: Type specimen label data: Canada: British Columbia, Vancouver Island, Spectacle Lake Prov. Park, 48deg.35' N, 123deg.34' W, 400 m, Pinus contorta, Pseudotsuga menziesii, Gaultheria shallon, and Salix sp., open forest, some rock outcrops, on Pseudotsuga menziesii, 19.VI.1975, W. J. Noble 4372 & A. M. Crane (UBC-holotype).

Taxonomic Literature: Printzen, C. & Tønsberg, T. 1999. The lichen genus Biatora in northwestern North America. Bryologist 102(4): 692-713.

Thallus: Indistinct or crustose, not subdivided parts, granular or rimose. Thallus Outline: Soon disappearing. Upper Surface: Grey or green (grey); not sorediate.

Margin: Not flexuose or slightly flexuose, indistinct to distinct. Exciple: Brown (near hymenium, sometimes) or white. Epithecium: Apical cells brown (often streaking into hymenium). Hymenium: (45)-(70) µm high. Hypothecium: White or brownish yellow.

Ascospores: Broadly ellipsoid or ellipsoid, (10)-12.5-18.3-(21.5) µm long, (5)-5.5-7.2-(8.5) µm wide; septa present; 3-transversally septate; wall not constricted where the septum meets the spore wall.

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