Caloplaca athroocarpa (Anzi) Jatta

Syll. Lich. Ital.: 247, 1900. Basionym: Gyalolechia athroocarpa Anzi - Cat. Lich. Sondr.: 38, 1860.
Synonyms: Blastenia athroocarpa (Anzi) Arnold; Callopisma athroocarpum (Anzi) Bagl. & Carestia; Lecanora ammiospiloides Nyl.
Distribution: N - Ven, TAA, Lomb, Piem (Morisi & Sereno 1995, Isocrono & al. 2004), Emil (Fariselli & al. 2020).
Description: Thallus crustose, very thin, continuous to rimose, grey, usually largely hidden by the apothecia. Apothecia biatorine, 0.4-0.7 mm across, numerous, crowded, sessile, rounded or more often angular by mutual compression, with a rusty-orange to orange-brown, finally often blackening, usually flat to slightly convex disc and a concolorous or slightly paler, thin, flexuose proper margin. Epithecium orange-brown, K+ purple-red; hymenium and hypothecium colourless. Asci 8-spored, clavate, functionally unitunicate, apically thickened with a broad internal beak, the inner part of apex and external cap I+ blue, Teloschistes-type. Ascospores 2-celled, polarilocular, hyaline, narrowly ellipsoid, 11-16.5 x 3-4 µm, the equatorial thickening (“septum”) short, up to 1.5 µm. Photobiont chlorococcoid. Spot tests: thallus K-, C-, KC-, P-; apothecia K+ purple-red. Chemistry: thallus without lichen substances; apothecia with unidentified anthraquinones.
Note: on eutrophicated wood, more rarely on bark, on basal parts of isolated trees; a poorly understood taxon, which needs further study. It is included as “Regionally Extinct” in the Italian red list of epiphytic lichens (Nascimbene & al. 2013c). Vondrák (in litt.) has examined material distributed by Anzi, which proved to belong to Rufoplaca, a genus whose taxonomy at species level is still not very clear.
Growth form: Crustose
Substrata: lignum
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: 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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Eutrophication:

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Poleotolerance:

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Altitudinal distribution:

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Predictive model
Herbarium samples
Index Fungorum GBIF


Pier Luigi Nimis CC BY-SA 4.0
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Pier Luigi Nimis CC BY-SA 4.0
TSB 42858



Pier Luigi Nimis CC BY-SA 4.0
TSB 42858



Pier Luigi Nimis CC BY-SA 4.0
TSB 42858


Jan Vondrak - Source: https://botanika.prf.jcu.cz/lichenology/index.php?pg=8&cat=32&idx=9106
Anzi Lich. Exs. 298 - PRA_V)



Pier Luigi Nimis CC BY-SA 4.0
TSB 42858