Solenopsora A. Massal. (1855)

Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set reviewer(s): Timdal E. (99-06-01) and Scholz P. (02-05-17); revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 12-15-18. Solenopsora. Catillariaceae Hafellner (1984); Teloschistineae; Lecanorales.

Type Information: Type: Solenopsora holophaea (Mont.) A. Massal. = Solenopsora requienii A.
Massal.

Taxonomic Literature: Taxonomic notes: Based on examination of 12 species; 6 possibly distinct species
remain not examined. Poelt J., Bestimmungsschlüssel Europäischer Flechten: 1-757 [609-611] (1969); Purvis O.W. & James P.W. in: Purvis O.W. et al. (eds), The Lichen Flora of Great Britain and Ireland, London (1992); Ryan B.D. & Timdal E. in: Nash T.H. III et al. (eds) Lichen Flora of the Greater Sonoran Desert Region vol. 1, 462-465, Tempe (2002); Verdon D. & Rambold G. xxx.

Biogeography: Checklist records: Germany, Great Britain, Italy, Sonoran Desert, and United States and Canada (continental).

Ecology: Biotroph (sometimes possibly on cyanophilic lichens); lichenized or lichenicolous (sometimes possibly on cyanophilic lichens); terricolous; substrate non-calciferous or calciferous.

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

Thallus: Crustose, squamulose, placodioid, rimose, or areolate (primarily areolate). Thallus Outline: Soon disappearing or persistent. Upper Surface: Grey, green, brown, white, olive, or brownish yellow; special structures absent or present:; not pseudocyphellate; without hairs; not isidate or isidiate; not sorediate; not cephalodiate; without granules granules, without thalloconidia thalloconidia. Lower Surface: Attached by the whole lower surface or attached by holdfasts; special structures absent or present:; not pseudocyphellate; not cyphellate; not rhizinate or rhizinate; without thalloconidia thalloconidia; not cavernulate; not tomentose.

Medulla: Iodine reaction in Lugol's solution negative.

Reproduction Strategy: Only known as sterile, asexually reproducing form or with sexual (and possible asexual) stages. Ascocarps: Apothecioid, orbicular, becoming adnate to substipitate. Margin: Indistinct to prominent; external filaments absent. Exciple: Brown or brownish yellow. Periphyses: Absent. Epithecium: Apical cells brown. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: Brown, white, or brownish yellow.

Asci: Tholus thickened, amyloid, entirely amyloid throughout; ocular chamber indistinct; dehiscence lecanoralean; exoascus euamyloid.

Ascospores: c. 8 per ascus, broadly ellipsoid, ellipsoid, fusiform, or oblong, 6-21 µm long, 3-5 µm wide, obtuse; septa present; transversally septate, 1-transversally septate, formed by the proper spore wall; wall thin, not thickened at the septum, not constricted where the septum meets the spore wall or laterally constricted where the septum meets the spore wall, 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: Intercalar. Conidia: Bacilliform.

Secondary Metabolites: Present, of the following substance class(es): orcinol depsidones, ß-orcinol depsides, ß-orcinol depsidones, and (tri-)terpenoids.

(report generated 04.Okt.2007)