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Leprocollema Vain. (1890)

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: basionymous or accepted. Taxonomic rank: genus. Number of known taxa within this rank: 3. Leprocaulon. Lichinaceae Nyl. (1854); Lichinales.

Type Information: Type: Leprocollema americanum Vain.

Taxonomic Literature: Clauzade G. & Roux C., Bull. Soc. Bot. Centre-Ouest N.S. - Numero Special 7: 1-893 [493] (1985); Vainio E., Acta Soc. Fauna Fl. Fenn. 7(1): 1-256 [232-233] (1890).

Biogeography: Checklist records: Guianas.

Ecology: Biotroph; lichenized; substrate calciferous.

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

Thallus: Crustose, granular, rimose, or areolate (primarily areolate). Upper Surface: Black, grey, or olive; 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: External filaments absent. Exciple: White. Periphyses: Absent. Interascal Hyphae: Present, distinctly branched, distinctly anastomosed. Hypothecium: White.

Ascospores: c. 8 per ascus, ellipsoid, oblong, or oblong-obtuse, 7-19 µm long, 4-9 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.

Secondary Metabolites: Not detected.

(report generated 04.Okt.2007)


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