Lecidea cerviniicola B. de Lesd.

Bull. Soc. Bot. France, 102: 231, 1955.
Synonyms: Lecidea promiscua var. cerviniicola (B. de Lesd.) Clauzade & Cl. Roux
Distribution: N - TAA (Hertel 2001, Hertel & Schuhwerk 2010), Lomb (Hertel 2001), Piem (Isocrono & al. 2004, Isocrono & Piervittori 2008), VA (Hertel 1995, 2001, Piervittori & Isocrono 1999).
Description: Thallus crustose, endosubstratic or rarely thinly episubstratic, often poorly evident, whitish to pale grey. Medullary hyphae I+ violet-blue. Apothecia lecideine, black, isolated or crowded, sessile and constricted at base, 1-2.5 mm across, rounded or angular, with a flat to convex disc and a usually persistent, sometimes finally excluded proper margin. Proper exciple dark grey-brown in outer part, paler within, K-, C+ red; epithecium blue-green to green-black, N+ purple-red; hymenium colourless, 50-60 µm high, I+ blue; paraphyses mostly simple, 1.5-2.5 µm thick at mid-level, the apical cells 3.5-4 µm wide; hypothecium dark to pale brown. Asci 8-spored, narrowly clavate, thick-walled, with a K/I+ pale blue tholus and a strongly amyloid, thin apical cushion, surrounded by a I+ blue outer layer, Lecidea-type. Ascospores 1-celled, hyaline, ellipsoid, 8.5-12 x 3.2-4.2 µm. Photobiont chlorococcoid. Spot tests: thallus K-, C- KC-, P-. Chemistry: thallus with perlatolic acid, apothecia with anziaic acid.
Note: on low siliceous boulders, pebbles and flat stones scattered over the ground in Alpine heaths, sometimes also on large rock faces. The world distribution was mapped by Hertel (2006).
Growth form: Crustose
Substrata: rocks
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly sexual
Poorly known taxon in need of further study

Commonnes-rarity: (info)

Alpine belt: very rare
Subalpine belt: extremely rare
Oromediterranean belt: absent
Montane belt: absent
Submediterranean belt: absent
Padanian area: absent
Humid submediterranean belt: absent
Humid mediterranean belt: absent
Dry mediterranean belt: absent

pH of the substrata:

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Solar irradiation:

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Aridity:

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Eutrophication:

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Poleotolerance:

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Altitudinal distribution:

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Predictive model
Herbarium samples