Verruculopsis lecideoides (A. Massal.) Gueidan & Cl. Roux var. lecideoides

in Navarro-Rosinés & al., Bull. Soc. linn. Provence, 58: 174, 2007. Basionym: Thrombium lecideoides A. Massal. - Ric. Auton. Lich. Crost.: 157, 1852.
Synonyms: Catapyrenium lecideoides (A. Massal.) Arnold; Dermatocarpon lecideoides (A. Massal.) Zahlbr.; Verrucaria lecideoides (A. Massal.) Trevis.; Verrucaria lecideoides var. flavovirens Bagl.?; Verrucula lecideoides (A. Massal.) J. Steiner
Distribution: N - VG (Castello 2002, Martellos & Castello 2004), Frl (TSB 5959), Ven (Lazzarin 2000b, Nascimbene & Salvadori 2008), TAA, Lomb, Piem, VA (TO 2237), Emil (Fariselli & al. 2020), Lig (Valcuvia & al. 2000). C - Tosc (TO 3404), Marc (Nimis & Tretiach 1999), Umb (Nimis & Tretiach 1999, Ravera & al. 2006), Laz (Bartoli 1997b), Abr (Nimis & Tretiach 1999, Caporale & al. 2016), Mol (Nimis & Tretiach 1999, Ravera & al. 2009, Caporale & al. 2008, Genovesi & Ravera 2014), Sar (Monte 1993, Rizzi & al. 2011, Neuwirth 2018). S - Camp (Aprile & al. 2003b, Nimis & Tretiach 2004, Garofalo & al. 2010, Catalano & al. 2016), Pugl (Nimis & Tretiach 1999), Cal (Ravera & al. 2023), Si (Nimis & al. 1994, 1996b, Caniglia & Grillo 2001, 2005, 2006, Grillo & al. 2001, 2002, 2009, Grillo & Caniglia 2004, Gianguzzi & al. 2009, Liistro & Cataldo 2011).
Description: Thallus crustose, episubstratic, areolate, up to 0.6(-0.8) mm thick, the areoles acutely angular, usually contiguous, flat, 0.2-0.8(-1) mm wide, pale to lead-grey, grey-white pruinose, dull, minutely roughened, the steep side-walls and the margins brown to black. Cortex (pseudocortex) poorly differentiated, paraplectenchymatous, overlain by an amorphous epinecral layer; algal layer filling most of thallus; medulla with at least partially developed black basal layer. Perithecia numerous, marginal or located between the areoles, deeply immersed, the apices 0.2-0.4 mm wide, distinctly flattened and level with surface, resembling an apothecial disc. Involucrellum contiguous with exciple, at first apical, then extending to exciple base and more or less incurved beneath; exciple subglobose, 0.15-0.22 mm wide, the wall dark brown in upper part, paler brown in lower part; hamathecium of periphyses and periphysoids, interascal filaments absent; hymenial gel hemiamyloid, I+ red (I+ blue at very low concentrations of I), K/I+ blue. Asci 8-spored, clavate, fissitunicate and bitunicate, the wall not amyloid, not or only slightly thickened above, Verrucaria-type. Ascospores 1-celled, hyaline rather broadly ellipsoid, (11-)12-15(-16) x 5-7 µm. Photobiont chlorococcoid. Spot tests: K-, C-, KC-, P-, UV-. Chemistry: without lichen substances.
Note: on calciferous rocks, mostly limestone and dolomite, but also on base-rich siliceous substrata, in exposed situations (e.g. on the top of isolated boulders). See also note on Verrucaria beltraminiana.
Growth form: Crustose
Substrata: rocks
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly sexual

Commonnes-rarity: (info)

Alpine belt: absent
Subalpine belt: extremely rare
Oromediterranean belt: absent
Montane belt: rather rare
Submediterranean belt: rather common
Padanian area: extremely rare
Humid submediterranean belt: very common
Humid mediterranean belt: rather rare
Dry mediterranean belt: rare

pH of the substrata:

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(info)

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


P.L. Nimis CC BY-SA 4.0
TSB 20101



P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (20101)
2001/12/03


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_V/Texte_V/Verruculopsis_lecideoides.htm
France, Forges de Til-Châtel, La Chalendrue, alt. 280 m - Til-Châtel - Côte d'Or


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_V/Texte_V/Verruculopsis_lecideoides.htm
France, Forges de Til-Châtel, La Chalendrue, alt. 280 m - Til-Châtel - Côte d'Or


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_V/Texte_V/Verruculopsis_lecideoides.htm
France, Forges de Til-Châtel, La Chalendrue, alt. 280 m - Til-Châtel - Côte d'Or


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_V/Texte_V/Verruculopsis_lecideoides.htm
France, Forges de Til-Châtel, La Chalendrue, alt. 280 m - Til-Châtel - Côte d'Or


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_V/Texte_V/Verruculopsis_lecideoides.htm
France, Forges de Til-Châtel, La Chalendrue, alt. 280 m - Til-Châtel - Côte d'Or


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_V/Texte_V/Verruculopsis_lecideoides.htm
France, Forges de Til-Châtel, La Chalendrue, alt. 280 m - Til-Châtel - Côte d'Or


Source: Servít M. Nové a málo známé druhy z čeledí Verrucariaceae a Dermatocarpaceae. Preslia 24: 245-390, 1952, Tab. 3 – Public Domain