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Tephromela armeniaca (DC.) Hertel & Rambold

Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. (94-08-27). Data set reviewer(s): Kainz C. (00-11-26); to be published after submission; 94-08-27.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Tephromela. Synonyms: Lecidea armeniaca (DC.) Fr., Syst. Orb. Veget.: 1 (1825); Lecanoraceae Körb. (1855).

Type Information: Basionym: Rhizocarpon armeniacum DC. in Lam. & DC., Fl. Franc., ed. 3, 2: 366-367 (1805).

Taxonomic Literature: Hertel H., Khumbu Himal 6(3): 146-378 [291-292] (1977) - sub Lecidea
; Poelt J. & Grube M., Nova Hedwigia 57: 1-17 (1993); Rambold G.,
Biblioth. Lichenol. 34: 1-346 (1989); Rambold G. & Triebel D.,
Biblioth. Lichenol. 48: 1-201 [130] (1992).

Biogeography: Continent: Asia-Temperate, Australasia, Europe, and Northern America.

Ecology: Biotroph (facultatively when young, on Sporastatia testudinea); lichenized or lichenicolous (facultatively when young, on Sporastatia testudinea); substrate non-calciferous. Host or Phorophyte Taxonomy: Acarosporaceae.

Thallus: Crustose, areolate (primarily areolate). Thallus Outline: Persistent; black. Upper Surface: Yellow (in herbarium), brown, or brownish yellow (like apricot), smooth or rough; not sorediate.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: .8-2 mm in diam.. Margin: Lecideine/biatorine. Disk: Plane (first +/-) or weakly convex, black (like tar). Exciple: Not carbonized. Epithecium: Apical cells dark green. Hymenium: White. Hypothecium: White (at border to subhymenium slightly pigmented).

Ascospores: Ellipsoid, 5.5-12 µm long, 3-5 µm wide; septa absent.

Conidia: 7-10 µm long.

Secondary Metabolites: Alectorialic acid, protocetraric acid, and roccellic acid.

Spot Tests: Upper surface: PD –.

(report generated 04.Okt.2007)

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