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Protopannaria (Gyeln.) P. M. Jørg. & S. Ekman

Data Set Maintenance: Data set standard item. Data set author(s): Marbach B. Data set reviewer(s): Scholz P. (02-05-16); revised; to be published after submission; 23.07.2001.

Nomenclature: Current taxonomic status: accepted (combined). Taxonomic rank: genus. Number of known taxa within this rank: 5. Protopannaria. Synonyms: Pannaria; Pannariaceae Tuck. (1872); Lecanorineae; Lecanorales.

Type Information: Type: Protopannaria pezizoides (Weber) P. M. Jørg. & S. Ekman.

Taxonomic Literature: Taxonomic notes: The exclusion of Protopannaria pezizoides from the genus Pannaria is
based on the analysis of molecular data.
Jørgensen P.M., Opera Botanica 45: 1-123 (1978) - sub Pannaria; Jørgensen P.M., Bryologist 103: 670-704 (2000); Jørgensen P.M. in: Nash T.H. III et al. (eds) Lichen Flora of the Greater Sonoran Desert Region vol. 1, 407-408, Tempe (2002).

Biogeography: Checklist records: Austria, Germany, Great Britain, Italy, Sonoran Desert, and Sweden and Norway.

Ecology: Biotroph; lichenized; terricolous or corticolous.

Lichen Photobionts: Primary photobiont present; cyanobacterial. Primary photobiont taxonomy: Nostoc; Nostocaceae; Nostocales, Cyanobacteria, Prokaryota. Secondary photobiont absent.

Thallus: Crustose, not subdivided parts, squamulose (small-squamulose) or granular. Thallus Outline: Persistent (poorly developed and inconspicuous). Upper Surface: Black (olivaceous to blackis) or bluish brown; special structures absent or present:; not pseudocyphellate; eciliate; without hairs; not isidate; not sorediate; not cephalodiate; not lobulate or lobulate (small squamula); with granules granules, without thalloconidia thalloconidia. Lower Surface: Not attached, thallus vagrant; special structures absent.

Reproduction Strategy: Only known as sterile, asexually reproducing form or with sexual (and possible asexual) stages. Ascocarps: Apothecioid, orbicular, soon sessile. Wall: Not carbonized, not fused. Margin: Distinct; external filaments absent. Exciple: White. Epithecium: Apical cells brown. Hymenium: Iodine reaction: Lugol’s positive, not hemiamyloid. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: Brownish yellow.

Asci: Tholus not amyloid (with amyloid external cap); dehiscence lecanoralean; exoascus not amyloid, not hemiamyloid.

Ascospores: c. 8 per ascus, ellipsoid, (19)-25-30 µm long, (8)-9-12 µm wide, obtuse; septa absent; wall hyaline, in Lugol's Solution negative, wall ornamented (with distinct, warted epispore).

Conidiomata: Absent resp. not observed or present; pycnidial.

Conidia: Bacilliform; not branched; aseptate; cell wall hyaline.

Secondary Metabolites: Not detected.

(report generated 04.Okt.2007)

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