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, 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). S - Cal (Puntillo 1996, Brackel 2016).
Description: Thallus crustose, lichenized, greenish white, often white-pruinose, starting the life-cycle on the thalli of Solorina, 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. Excipulum black. Asci 8-spored, clavate. Ascospores submuriform, with 3-5 transversal 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: all negative. Chemistry: no lichen substances.
Note: a juvenile parasite on Solorina, spp., especially Solorina saccata, later becoming autonomous, found 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
paras Solorina spp.

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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P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (34655)
2002/01/30


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