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Data Set Maintenance: Data set standard item. Data set author(s): Hertel H. (99-01-01). Data set not revised.

Nomenclature: Current taxonomic status: basionymous or accepted. Taxonomic rank: species. Lecidea. Synonyms: Lecidea sarcogyniza Nyl.; Lecideaceae Chevall. (1826); Lecanorales.

Type Information: Protologue: Nylander W., Flora 48: 148 (1865); type specimen label data: U.K., Channel Islands, Jersey, Noirmont Pt., 1864, Ch. Larbalestier 104 (H-Nyl 15704, holotype).

Taxonomic Literature: Magnusson H., Bot. Notiser 1951: 68 (1951); Hertel H., Herzogia 1: 35 (1968); Hertel H., Herzogia 2: 43-44 (1970); Culberson C.F., Hertel H., Bryologist 75: 373-375 (1972); Hertel H., Decheniana 127: 65 (1975); Nowak J., Tobolewski Z., Porosty Polskie (Warszawa & Kraków) 552 (1975); Hertel H., Khumbu Himal 6: 243-244 (1977); Hertel H., Mitt. Bot. München 13: 340, 343-344 (1977); Inoue M., J. Sci. Hiroshima Univ., Ser. B, Div. 2 (Bot.), 18(1): 30-33 (1982); Purvis O.W., James P.W., Lichenologist 17: 229-232 (1985); Schwab A.J., Mitt. Bot. München 22: 322-324 (1986); Hertel H., Mitt. Bot. München 28: 220 (1989); Rambold G., Biblioth. Lichenol. 34: 208-210 (1989); Hertel H., Mitt. Bot. München 30: 307-308 (1991); Inoue M., J. Hattori Bot. Lab. 76: 193 (1994); Hertel H., Biblioth. Lichenol. 58: 158 (1995).

Biogeography: Colline (sea shores) and alpine. Continent: Europe (Au, Br, Da, Fe, Ga, Ge, He, No, Su), Northern America (Canada (Quebec), USA (Alaska)), Southern America (Chile), Asia-Temperate (E. Siberia, Nepal), and Australasia (Australia, N.Z. (Canterbury, Otago)).

Ecology: Biotroph; lichenized; endosubstratic or episubstratic; substrate non-calciferous.

Thallus: Not subdivided parts, areolate (primarily areolate), continuous throughout, dispersed along the periphery, continuous in the centre, or dispersed throughout and distinctly seperate; lobes angular at the front; separate thallus parts 0-.4 mm thick. Thallus Size and Differentiation: Large; main branches basally not constricted. Thallus Outline: Margin concolorous the thallus centre. Upper Surface: White, lemon (citrine), brownish yellow, grey, brown, or red (rusty coloured by Fe), plane; not sorediate; without thalloconidia thalloconidia.

Ascocarps: Soon sessile, slightly constricted or strongly constricted at the base, 10-80 per cm², .5-1.5-(3) mm in diam.. Margin: Not flexuose, slightly flexuose, or strongly flexuose, persistent or excluded, indistinct, 80-200 µm wide, epruinose. Disk: Plane to strongly convex, black, epruinose, pruina scarce or abundant, without an umbo. Exciple: Hyphae intricately interwoven, with no predominant orientation; 2-3 µm wide; grey or pink (rosé); inspersed with crystals. Epithecium: Apical cells olive, green, or turquoise, cell pigment reacting with 10% HCl (in H2O), cell pigment HCl+ blue. Hymenium: 27-45-(55) µm high; white; iodine reaction: Lugol’s positive. Subhymenium: 4-13 µm high; white or rarely pale green. Hypothecium: Brownish yellow or brown.

Ascospores: Cylindrical or oblong-obtuse, (5.5)-7.2-10.2-(12.5) µm long, (1.7)-2.3-3.4-(3.5) µm wide; wall not ornamented.

Spot Tests: Medulla: K –, C –, PD – ascocarp margin (in section): K – or rarely + bluish red, C + red; disk: C – hypothecium: K – epihymenium: K –.

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