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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: 2. Lichinodium. Lichinaceae Nyl. (1854); Lichinales.

Taxonomic Literature: Arvidsson L., Lichenologist 11: 187-190 (1979); Galloway D.J., Flora of New Zealand. Lichens: 1-662 [256] (1985); Henssen A., Symb. Bot. Upsal. 18(1): 1-123 [83-85] (1963); Henssen A., Bryologist 71: 271-274 (1968); Henssen A., Lichenologist 6: 106-111 (1974); Poelt J., Bestimmungsschlüssel europäischer Flechten: 1-757 [378] (1969); Santesson R., The lichens and lichenicolous fungi of Sweden and Norway, Lund: 1-240 [132] (1993); Rambold G & Triebel D., Biblioth. Lichenol. 48: 1-201 [113] (1992).

Biogeography: Checklist records: Sweden and Norway, United States and Canada (continental), and New Guinea.

Ecology: Biotroph; lichenized or lichenicolous; terricolous, bryophytic, or corticolous; substrate non-calciferous.

Lichen Photobionts: Primary photobiont present; cyanobacterial. Primary photobiont taxonomy: Scytonema (A. Beck 19-05-97); Scytonemataceae; Nostocales, Cyanobacteria, Prokaryota. Secondary photobiont absent.

Thallus: Crustose, not subdivided parts, subfruticose. Thallus Outline: Soon disappearing. Upper Surface: Brown or green; special structures absent. Lower Surface: Attached by holdfasts; special structures absent or present:; not pseudocyphellate; not cyphellate; not rhizinate or rhizinate; without thalloconidia thalloconidia; not cavernulate; not tomentose.

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. Margin: Indistinct; external filaments absent. Periphyses: Absent. Interascal Hyphae: Present, scarcely branched to distinctly branched.

Ascospores: c. 8 per ascus, ellipsoid, 6.5-8 µm long, 5.5-7 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; sessile, formed all accross the thallus surface.

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