Dacampia hookeri (Borrer) A. Massal.

Sulla Lecidea hookeri di Schaer.: 7, 1853. Basionym: Verrucaria hookeri Borrer - Engl. Bot. Suppl.: tab. 2622, fig. 2, 1831.
Synonyms: Biatorina sphaerica A. Massal.; Pleospora hookeri (Borrer) Keissl.
Distribution: N - Frl (Hafellner & Zimmermann 2012, Brackel 2016), Ven (Roux & Triebel 1994, Nascimbene & Caniglia 2003c, Thor & Nascimbene 2007, Nascimbene 2008c, Brackel 2016), TAA (Roux & Triebel 1994, Nascimbene & al. 2005, 2006, 2022, Nascimbene 2008, Hafellner & Zimmermann 2012), Lomb (Anzi Lich. Lang. 524: Roux & Triebel 1994, Brackel 2016), Piem (Isocrono & al. 2004, Hafellner & al. 2004, Hafellner & Zimmermann 2012, Brackel 2016), VA (vidi!). C - Abr (Tretiach 2015e, Brackel 2016, Di Nuzzo & al. 2021, Gheza & al. 2021, Vallese & al. 2022). S - Cal (Puntillo 1996, Brackel 2016).
Description: Thallus crustose, lichenized, greenish white, often white-pruinose, several cm wide, often lobed at margin, delimited by a blackish prothallus; central part of thallus irregularly areolate, the areoles flat to convex, often blackish at margins. Perithecia black, bottle-shaped, with a rather pronounced beak. Exciple of several layers of angular, pseudoparenchymatous, radially compressed, thick-walled cells of textura angularis, reddish to dark brown; hamathecium of branched and anastomosing pseudoparaphyses, the hymenial gel I-. Asci 8-spored, bitunicate, elongate-clavate to short-cylindrical, shortly pedicellate, with a thick-walled apex and a small, sometimes indistinct ocular chamber. Ascospores submuriform, with 3-5 transverse septa and 1-2 longitudinal septa in the median part of the spore, brown at maturity, 37-42 x 12-13 µm. Photobiont chlorococcoid. Spot tests: K-, C-, KC-, P-, UV-. Chemistry: without lichen substances.
Note: on humic soil over calcareous substrata throughout the Alps, and present also in the Apennines, south to Calabria.
Growth form: Crustose
Substrata: soil, terricolous mosses, and plant debris
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly sexual

Commonnes-rarity: (info)

Alpine belt: rather rare
Subalpine belt: rather common
Oromediterranean belt: extremely rare
Montane belt: extremely rare
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


P.L. Nimis CC BY-SA 4.0
TSB 34655



Pier Luigi Nimis - CC BY-SA 4.0
TSB 37861



P.L. Nimis CC BY-SA 4.0
TSB 42119



P.L. Nimis CC BY-SA 4.0
TSB 42119



P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (34514)
2002/01/17


Zschacke, H. (1934) Epigloeaceae, Verrucariaceae und Dermatocarpaceae. In: Dr. L. Rabenhorst‘s Kryptogamen-Flora, Band 9, Abt. 1, Teil 1. Akademische Verlagsgesellschaft, Leipzig, 695 pp. - Public Domain



Pier Luigi Nimis - CC BY-SA 4.0
TSB 38710



P.L. Nimis CC BY-SA 4.0
TSB 42119



P.L. Nimis CC BY-SA 4.0
TSB 38469



P.L. Nimis CC BY-SA 4.0
TSB 38468


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_D/Textes_D1/Dacampia_hookeri.htm
France, Canyon du crêt de la neige, alt. 1694 m - Lélex - Ain - on Solorina bispora
26/8/2017


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_D/Textes_D1/Dacampia_hookeri.htm
France, Canyon du crêt de la neige, alt. 1694 m - Lélex - Ain - on Solorina bispora
26/8/2017


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_D/Textes_D1/Dacampia_hookeri.htm
France, Canyon du crêt de la neige, alt. 1694 m - Lélex - Ain - on Solorina bispora
26/8/2017


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_D/Textes_D1/Dacampia_hookeri.htm
France, Canyon du crêt de la neige, alt. 1694 m - Lélex - Ain - on Solorina bispora
26/8/2017