Psoroglaena abscondita (Coppins & Vězda) Hafellner & Türk

Stapfia, 76: 157, 2001. Basionym: Macentina abscondita Coppins & Vezda - Lichenologist, 9: 47, 1977.
Synonyms:
Distribution: N - Ven (Nascimbene 2008, Nascimbene & al. 2008e, Muggia & al. 2010).
Description: Thallus crustose to subleprose, episubstratic, very thin, dull green. Cortical hyphae with inconspicuous papillae. Perithecia c. 0.1 mm across, prominent, pale brown when dry, almost translucent and colourless when wet; excipulum 10-12 μm thick, colourless or pale yellowish, of periclinally arranged hyphae; involucrellum absent. Hamathecium of periphyses, interascal filaments absent; hymenial gel I+ red. Asci 8-spored, fissitunicate, clavate-cylindrical to pyriform, thickened at apex when young, I-. Ascospores 1-3-septate, hyaline, narrowly ellipsoid, 12-20 x 3.5-4.5 μm. Photobiont chlorococcoid. Spot tests: all negative. Chemistry: no lichen substances.
Note: optimum on the bark of Sambucus in shaded-humid situations. The species is included as “Critically Endangered” in the Italian red list of epiphytic lichens (Nascimbene & al. 2013c).
Growth form: Crustose
Substrata: bark
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly sexual

Commonnes-rarity: (info)

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

Pier Luigi Nimis - CC BY-SA 4.0
Herbarium: TSB 29512



Juri Nascimbene - CC BY-SA 4.0
Cellarda, Reg. Veneto Prov. Belluno (Alps), Italy
2006



Juri Nascimbene - CC BY-SA 4.0
Cellarda, Reg. Veneto Prov. Belluno (Alps), Italy
2006



Juri Nascimbene - CC BY-SA 4.0
Cellarda, Reg. Veneto Prov. Belluno (Alps), Italy
2006



Juri Nascimbene - CC BY-SA 4.0
Cellarda, Reg. Veneto Prov. Belluno (Alps), Italy
2006



Juri Nascimbene - CC BY-SA 4.0
Cellarda, Reg. Veneto Prov. Belluno (Alps), Italy
2006



Juri Nascimbene - CC BY-SA 4.0
Cellarda, Reg. Veneto Prov. Belluno (Alps), Italy
2006



Juri Nascimbene - CC BY-SA 4.0
Cellarda, Reg. Veneto Prov. Belluno (Alps), Italy
2006



Juri Nascimbene - CC BY-SA 4.0
Cellarda, Reg. Veneto Prov. Belluno (Alps), Italy
2006