Lecanora mugosphagneti Poelt & Vězda

Bibl. Lichenol., 16: 364, 1981
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Distribution:
Description: Thallus crustose or subleprose, thinly episubstratic, whitish to pale grey, sometimes delimited by a cottony-arachnoid, whitish prothallus, soon almost completely covered with early coalescent soralia with fine, whitish soredia. Apothecia very rare, lecanorine, 0.5-1.6 mm across, with a flat to convex, pink-brown to flesh-coloured, strongly white-pruinose disc and a smooth, often sinuous thalline margin. Thalline exciple ecorticate, with numerous small crystals soluble in K; epithecium pale brown, with pigment and crystals dissolving in K; hymenium colourless; paraphyses branched and anastomosing, not or only slightly thickened at apex; hypothecium colourless. Asci 8-spored, Lecanora type. Ascospores 1-celled, hyaline, ellipsoid, 9-12(-14) x 6-8 µm . Photobiont chlorococcoid. Spot tests: thallus K+ yellow, C-, KC-, P+ yellow. Chemistry: thallus with atranorin, caperatic and roccellic acids; apothecia with protocetraric acid.
Note: on bark of Pinus mugo in bogs; a very rare species, known from very few sites in the Alps, outside Italian territory; to be looked for in the Italian Alps.
Growth form: Crustose
Substrata: bark
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly asexual, by soredia, or soredia-like structures (e.g. blastidia)

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Predictive model