Anisomeridium macrocarpum (Körb.) V. Wirth

Flechtenflora: 531, 1980. Basionym: Acrocordia macrocarpa Körb. - Parerga Lichenol., 4: 347, 1863.
Synonyms: Arthopyrenia macrocarpa (Körb.) Zahlbr.
Distribution: N - Ven. S- Cal (CLU 5022).
Description: Thallus crustose, indistinct, perhaps not lichenized. Perithecia black, up to 0.5 mm across. Involucrellum present K+ green; exciple of cellular hyphae, usually without bark cells, brown-black in upper part, pale or colourless in lower part; pseudoparaphyses slender, stiff, long-celled, branched and anastomosing, c. 1(-2) μm thick; periphyses absent; hymenial gel I-. Asci (4-)8-spored, cylindrical-clavate, K/I-, fissitunicate, the apical dome with an indistinct ocular chamber, 130-140 x 15-16 μm. Ascospores 1(-3)-septate, slightly constricted at septa, hyaline, narrowly ellipsoid, slightly pointed at both ends, (28-)30-40(-47) x 7-10 μm, the cells often conspicuously guttulate. Photobiont absent or thallus associated with Trentepohlioid algae. Spot tests: thallus K-, C-, KC-, P-, UV-. Chemistry: without lichen substances.
Note: a mainly Central European, non-lichenized, saprophytic species also known from northern Spain, found on the trunks of broad-leaved deciduous trees, in woodlands, below the montane belt; certainly very rare in Italy.
Growth form: Fungus
Substrata: bark
Reproductive strategy: mainly sexual

Commonnes-rarity: (info)

Alpine belt: absent
Subalpine belt: absent
Oromediterranean belt: absent
Montane belt: absent
Submediterranean belt: extremely rare
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

Kok van Herk - Source: https://www.verspreidingsatlas.nl/4678
Herb. NHN-L