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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: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 12. Dermatocarpon. Verrucariaceae Zenker (1827); Verrucariales.

Taxonomic Literature: Clauzade G. & Roux C., Bull. Soc. Bot. Centre-Ouest N.S. - Numero
Special 7: 1-893 [350-353] (1985); Coppins B.J. & Fox B.W. in:
Purvis O.W. et al. (eds), The Lichen Flora of Great Britain and
Ireland, London (1992); Galloway D.J., Flora of New Zealand Lichens:
i-lxxiii, 1-662 [154-157], Wellington (1985); Harada H., Nat. Hist.
Research 2: 113-152 (1993).

Biogeography: Checklist records: Austria, Germany, Great Britain, Italy, New Zealand, Sonoran Desert, Sweden and Norway, United States and Canada (continental), Namibia, and Republic of South Africa.

Lichen Photobionts: Primary photobiont present; chlorococcal. Primary photobiont taxonomy: Myrmecia and Protococcus (A. Beck 22-05-97); Trebouxiaceae and genus incertae sedis; Trebouxiales and family of unknown placement (incertae sedis), Trebouxiophyceae, Eukariota. Secondary photobiont absent.

Thallus: Foliose, not subdivided parts, umbilicate or lobed. Thallus Outline: Soon disappearing. Upper Surface: Grey or brown; special structures absent. Lower Surface: Attached by holdfasts; special structures absent or present:; not pseudocyphellate; not cyphellate; not rhizinate; without thalloconidia thalloconidia; not cavernulate; not tomentose or tomentose.

Reproduction Strategy: Only known as sterile, asexually reproducing form or with sexual (and possible asexual) stages. Ascocarps: Perithecioid, orbicular, forming all across the thallus surface, not emerging. Margin: Indistinct; external filaments absent. Exciple: Brown, white, or brownish yellow. Periphyses: Present. Interascal Hyphae: Absent. Hypothecium: White.

Ascospores: c. 8 per ascus, globose, broadly ellipsoid, ellipsoid, or ovoid, 6-25 µm long, 4.5-9.5 µm wide, obtuse; septa absent or present; transversally septate, 1-3-transversally septate; wall thin, 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.

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