Sarcogyne Flot. (1850)

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. Sarcogyne. Acarosporaceae Zahlbr. (1906); Acarosporineae; Lecanorales.

Type Information: Type: Sarcogyne corrugata Flot.

Taxonomic Literature: Clauzade G. & Roux C., Bull. Soc. Bot. Centre-Ouest N.S. - Numero
Special 7: 1-893 [699-703] (1985); Hawksworth D.L. in: Purvis O.W. et
al. (eds), The Lichen Flora of Great Britain and Ireland, London
(1992); Magnusson A.H., Rabenh. Kryptog.-Fl. 9, 5(1): 1-318 (1935);
Seppelt R.D., Nimis P.L. & Castello M., Lichenologist 30(3): 249-
258 (1998).

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

Ecology: Biotroph; lichenized; substrate non-calciferous or calciferous.

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

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

Asci: Tholus thickened, not amyloid; dehiscence lecanoralean.

Ascospores: More than 32 per ascus, ellipsoid, oblong-obtuse, or oblong, 3.5-6 µm long, 1-2 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, formed all accross the thallus surface.

Conidiogeneous Cells: Apical. Conidia: Globose.

Secondary Metabolites: Not detected.

(report generated 04.Okt.2007)