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Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: basionymous or accepted. Taxonomic rank: genus. Number of known taxa within this rank: 3. Poeltiaria. Porpidiaceae Hertel & Hafellner (1984); Cladoniineae; Lecanorales.

Taxonomic Literature: Hertel H. in: Hertel H. & Oberwinkler F. (eds), Beih. Nova Hedwigia 79: 399-499 (1984); Rambold G., Biblioth. Lichenol. 34: 1-346 [265-274] (1989); Rambold G. & Triebel D., Biblioth. Lichenol. 48: 1-201 [117] (1992).

Lichen Photobionts: Primary photobiont present; chlorococcal. Secondary photobiont absent.

Thallus: Crustose, granular, rimose, or areolate (primarily areolate). Upper Surface: Grey, brownish yellow, white, or yellow; special structures absent. Lower Surface: Attached by the whole lower surface; special structures absent.

Reproduction Strategy: Only known as sterile, asexually reproducing form or with sexual (and possible asexual) stages. Ascocarps: Apothecioid, orbicular or irregular, forming all across the thallus surface, soon sessile. Margin: Indistinct to prominent; external filaments absent. Exciple: Black, brown, green, grey, white, brownish yellow, or olive. Periphyses: Absent. Epithecium: Apical cells black, brown, green, grey, brownish yellow, or olive. Hymenium: Iodine reaction: Lugol’s positive. Interascal Hyphae: Present, scarcely branched to distinctly branched, not or scarcely anastomosed to distinctly anastomosed. Hypothecium: White or brownish yellow.

Ascospores: c. 8 per ascus, ellipsoid, 10-21 µm long, 5-10 µm wide, obtuse; septa absent; wall thick, distinctly differentiated into primary and secondary wall, not thickened at the septum, hyaline, in Lugol's Solution negative, wall not ornamented.

Conidiomata: Absent resp. not observed or present; pycnidial; immersed, formed all accross the thallus surface.

Secondary Metabolites: Not detected or present, of the following substance class(es): orcinol depsides and dibenzofurans [and usnic acids].

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