Solenopsora liparina (Nyl.) Zahlbr.

Öst. bot. Z., 68: 304, 1919. Basionym: Lecanora liparina Nyl. - Flora, 59: 305, 1876.
Synonyms: Placolecania liparina (Nyl.) ined.; Ricasolia cesatii var. olivacea Bagl.; Ricasolia liparina (Nyl.) Flagey; Solenopsora cesatii f. liparina (Nyl.) Clauzade & Cl. Roux; Solenopsora liparina (Nyl.) Zahlbr.
Distribution: N - Lomb (Ravera & al. 2023, Senko & al. 2024), Emil (Ravera & al. 2024b), Lig (Guttová & al. 2014, 2019, Senko & al. 2024). C - Tosc (Guttová & al. 2019, Darmostuk & al. 2022, Lich. Ital. Exs. 75: Isocrono & al. 2023, Senko & al. 2024, Ravera & al. 2025).
Description: Thallus crustose-placodioid, episubstratic, rather loosely attached, forming up to 2.5 cm wide, orbicular rosettes, the central parts sometimes falling off, leaving semicircular arcs of lobes. Lobes 0.3-0.6 mm wide, flat to slightly convex, olivaceous grey or grey-green, with rounded, white-pruinose tips. Apothecia lecanorine, sessile, up to 1.2 mm across, with a brown, bluish-white-pruinose disc, and a smooth to scabrid, persistent to finally excluded thalline margin. Epithecium brown, granular, the granules not dissolving in K; hymenium colourless, 60-70 µm high; paraphyses coherent, swollen at apices; hypothecium colourless, 80-90 µm high. Asci 8-spored, cylindrical-clavate, with a K/I+ blue outer coat and a K/I+ uniformly blue apical dome, approaching the Catillaria-type. Ascospores 1-septate, hyaline, narrowly ellipsoid, straight or slightly curved, 13-16 x 3-4 µm. Photobiont chlorococcoid. Spot tests: cortex K-, C-, KC-, P-, UV-; medulla P+ orange-red. Chemistry: medulla with pannarin and zeorin (both major).
Note: on inclined surfaces of ultrabasic siliceous rocks (e.g. serpentine and basalt), often in fissures, in shaded situations also on vertical faces, mostly in the Mediterranean belt. The species, which was not sequenced by Svensson & al. (2025) probably belongs to Placolecania.
Growth form: Crustose placodiomorph
Substrata: rocks
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly sexual

Commonnes-rarity: (info)

Alpine belt: absent
Subalpine belt: absent
Oromediterranean belt: absent
Montane belt: absent
Submediterranean belt: absent
Padanian area: absent
Humid submediterranean belt: absent
Humid mediterranean belt: rare
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
INDEX FUNGORUM GBIF

Harrie Sipman http://www.bgbm.fu-berlin.de/sipman/Zschackia/AegeanLichens/CaloplacaAC.htm - As Caloplaca oasis


Anna Guttová


Anna Guttová


Anna Guttová


Anna Guttová


Anna Guttová


Harrie Sipman – Source http://www.bgbm.fu-berlin.de/sipman/Zschackia/AegeanLichens/CaloplacaAC.htm - As Caloplaca oasis