Lepra schaereri (Schaer.) Hafellner

in Hafellner & Türk, Stapfia, 104: 172, 2016. Basionym: Spiloma isidioides Schaer. - Naturw. Anz. allg. Schweiz Ges. Gesamt. Naturwiss., 5: 34, 1821.
Synonyms: Pertusaria schaereri Hafellner
Distribution: N - Frl (Tretiach & Hafellner 2000), TAA (Nascimbene & al. 2022), Lomb (Nascimbene & al. 2021), VA (Borlandelli & al. 1996, Piervittori & Isocrono 1997, 1999, Matteucci & al. 2015c), Emil (Fariselli & al. 2020).
Description: Thallus crustose, episubstratic, white to pale grey, rather thick, continuous to rimose-areolate, with scattered, isidia-like, short-cylindrical, sometimes apically widened, usually simple (rarely with a few branches) up to 0.4(-0.6) mm thick and to 0.6(-1.2) mm tall papillae. Apothecia not known. Photobiont chlorococcoid. Spot tests: cortex and medulla K-, C-, KC- or KC+ very pale yellow (medulla only), P-, UV-; medulla I+ pink to pinkish brown, without a bitter taste. Chemistry: unidentified fatty acids.
Note: on base- or mineral-rich rocks in rainy areas near and above treeline, up to the nival belt in the Alps; probably restricted to the Alps and the Morthern Apennines in Italy.
Growth form: Crustose
Substrata: rocks
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly asexual, by isidia, or isidia-like structures (e.g. schizidia)

Commonnes-rarity: (info)

Alpine belt: 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
Index Fungorum GBIF


P.L. Nimis CC BY-SA 4.0
TSB 42154



P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (25159)
2002/05/14



Pier Luigi Nimis - CC BY-SA 4.0
TSB 41273



Pier Luigi Nimis - CC BY-SA 4.0
TSB 42154



P.L. Nimis CC BY-SA 4.0
TSB 41273



P.L. Nimis CC BY-SA 4.0
TSB 41274



P.L. Nimis CC BY-SA 4.0
TSB 42154



Pier Luigi Nimis - CC BY-SA 4.0; Owner: Department of Life Sciences, University of Trieste
TSB 38017



P.L. Nimis CC BY-SA 04
TSB 37596



P.L. Nimis CC BY-SA 04
TSB 37596



P.L. Nimis CC BY-SA 04
TSB 37596