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Ramonia Stizenb. (1862)

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: 10. Ramonia. Gyalectaceae (A. Massal.) Sitzenb. (1862); Gyalectales.

Type Information: Type: Ramonia valenzueliana (Mont.) Stizenb.

Taxonomic Literature: Aptroot A., Diederich P., Sérusiaux E. & Sipman H.J.M., Biblioth. Lichenol. 64: 1-220 [170-171] (1997); Canals A. & Gómez-Bolea A., Lichenologist 24: 308-311 (1992); Coppins B.J., Lichenologist 19: 409-417 (1987); Clauzade G. & Roux C., Bull. Soc. Bot. Centre-Ouest N.S. - Numero Special 7: 1-893 [664-665] (1985); Galloway D.J., Flora of New Zealand Lichens: i-lxxiii, 1-662 [502], Wellington (1985); Purvis O.W. in: Purvis O.W. et al. (eds), The Lichen Flora of Great Britain and Ireland, London (1992); Vezda A., Folia Geobot. Phytotax. Bohemoslov. 1: 154-175 (1966); Vezda A., Folia Geobot. Phytotax. 2: 311-317 (1967); Vezda A., Folia Geobot. Phytotax. 8: 417-424 (1973).

Biogeography: Checklist records: Great Britain, Sonoran Desert, Sweden and Norway, New Zealand, United States and Canada (continental), Guianas, and New Guinea.

Ecology: Biotroph; lichenized; lignicolous or corticolous.

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

Thallus: Indistinct or crustose, not subdivided parts. Upper Surface: 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 or perithecioid, orbicular, forming all across the thallus surface, not emerging, becoming adnate to soon sessile. Margin: Indistinct to prominent; external filaments absent. Exciple: Black, brown, white, or brownish yellow. Periphyses: Present. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed.

Ascospores: c. 4 to more than 32 per ascus, ellipsoid, broadly ellipsoid, oblong, allantoid, clavate, cylindrical, filiform, fusiform, oblong-obtuse, or ovoid, 21-74 µm long, 3-15 µm wide, obtuse or aciculate; septa absent or present; transversally septate or both transversally and longitudinally, 1-14-transversally septate; wall thin or 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.

Secondary Metabolites: Not detected.

(report generated 04.Okt.2007)

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