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Lichina C. Agardh (1817)

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: 7. Lichina. Lichinaceae Nyl. (1854); Lichinales.

Type Information: Type: Lichina pygmaea (Leightf.) C. Agardh.

Taxonomic Literature: Fletcher A., Lichenologist 7: 1-52 (1975); Galloway D.J., Flora of New Zealand Lichens: i-lxxiii, 1-662 [254-255], Wellington (1985); Henssen A., Symb. Bot. Upsal. 18: 1-123 [36-37] (1963); Henssen A., Lichenologist 4: 88-98 (1969); Henssen A., Lichenologist 5: 444-451 (1973); Henssen A., Büdel B. & Wessels D., Mycotaxon 22: 169-195 (1985); Moreno P.P & Egea J.M., Biología y taxonomía de la familia Lichinaceae, con especial referencia a las especies del S.E. Espanol y Norte de Africa, Murcia (1991); Purvis O.W. & Fletcher A. in: Purvis O.W. et al. (eds), The Lichen Flora of Great Britain and Ireland, London (1992).

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

Ecology: Biotroph; lichenized; substrate non-calciferous.

Lichen Photobionts: Primary photobiont present; cyanobacterial. Primary photobiont taxonomy: Calothrix and Dichothrix (A. Beck 19-05-97); Rivulariaceae; Chroococcales and Nostocales, Cyanobacteria, Prokaryota. Secondary photobiont absent.

Thallus: Crustose or fruticose, not subdivided parts, subfruticose. Upper Surface: Black, brown, or olive; special structures absent. Lower Surface: Attached by holdfasts; 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 directly at the tip of the thallus parts, not emerging. Margin: Indistinct. Periphyses: Absent. Interascal Hyphae: Present, distinctly branched, distinctly anastomosed.

Asci: Tholus not thickened.

Ascospores: c. 8 per ascus, ellipsoid or oblong-obtuse, 12-29 µm long, 10-16 µm wide, obtuse; septa absent; 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.

Conidia: Globose or bacilliform.

Secondary Metabolites: Not detected.

(report generated 04.Okt.2007)


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