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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: 1. Henrica. Verrucariaceae Zenker (1827); Verrucariales.

Taxonomic Literature: Bouly de Lesdain M., Bull. Soc. Bot. France 68: 203-207 (1921); Clauzade G. & Roux C., Bull. Soc. Bot. Centre-Ouest N.S. - Numero Special 7: 1-893 [381] (1985); Poelt J., Bestimmungsschlüssel Europäischer Flechten: 1-757 [314] (1969); Zschacke H., Rabenhorst's Kryptog. Fl. ed. 2, 9: 589-590 (1934).

Thallus: Crustose, subfruticose. Upper Surface: Grey; 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: Perithecioid, orbicular, forming all across the thallus surface or directly at the thallus margin, soon sessile to stipitate. Margin: External filaments absent. Exciple: Black or brown. Periphyses: Absent. Interascal Hyphae: Present, distinctly branched, distinctly anastomosed. Hypothecium: Black or brown.

Ascospores: c. 8 per ascus, oblong or oblong-obtuse, 60-87 µm long, 30-39 µm wide, obtuse; septa present; both transversally and longitudinally; wall not thickened at the septum, dark brown, in Lugol's Solution negative.

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