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Data Set Maintenance: Data set standard item. Data set author(s): Triebel D. Data set reviewer(s): Triebel D. (98-01-01); revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 3. Lauderlindsaya. Verrucariaceae Zenker (1827); Verrucariales.

Type Information: Type: Lauderlindsaya chlorococca (Leight.) Diederich & Sérusiaux = L. acroglypta (Norman in Th. Fr.) R. Sant.

Taxonomic Literature: Aptroot A., Willdenowia 21: 263-267 (1991) - sub Normandina; David J. & Hawksworth D.L., Sydowia 41: 108-121 (1989); Diederich P. & Sérusiaux E., Lichenologist 25: 97-100 (1993); Diederich P., Sérusiaux E. & Boom, P.P.G. van den, Lejeunia 136: 1-47 [21-22] (1991); McCune B., Evansia 14: 13 (1997). Triebel D., Sendtnera 1: 273-280 (1993).

Biogeography: Checklist records: Germany, Great Britain, Sweden and Norway, and New Zealand.

Ecology: Biotroph; algicolous, lichenized, or lichenicolous; bryophytic or corticolous.

Lichen Photobionts: Primary photobiont absent or present. Secondary photobiont absent.

Thallus: Indistinct or crustose, not subdivided parts, granular. Upper Surface: Grey or brownish yellow; special structures absent or present:; not pseudocyphellate; eciliate; without hairs; not isidate; not sorediate; not cephalodiate; not lobulate; without granules or with granules granules, without thalloconidia thalloconidia. Lower Surface: Attached by the whole lower surface; special structures absent.

Medulla: Iodine reaction in Lugol's solution negative; not different with or without KOH pre-treatment (euamyloid).

Reproduction Strategy: Only known as sterile, asexually reproducing form or with sexual (and possible asexual) stages. Ascocarps: Perithecioid, orbicular, not emerging, becoming adnate. Margin: External filaments absent. Exciple: Black or brown. Periphyses: Present. Hymenium: Iodine reaction: Lugol’s negative, hemiamyloid. Interascal Hyphae: Absent. Hypothecium: Black or brown.

Asci: Tholus thickened, not amyloid; dehiscence verrucarial; exoascus not amyloid, hemiamyloid.

Ascospores: c. 8 per ascus, ellipsoid or filiform, 20-55 µm long, 5-12 µm wide, aciculate; septa present; transversally septate or both transversally and longitudinally, 3-7-transversally septate; wall thin, not thickened at the septum, hyaline or pale brown, in Lugol's Solution negative, wall not ornamented.

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