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Xanthoria calcicola
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Photographer: Dr. Amadej Trnkoczy
ID: 0000 0000 0721 2342 (2021-07-21)Copyright © 2021 Dr. Amadej Trnkoczy
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INFORMATION PROVIDED WITH THE PHOTO
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date of photo Jun 21, 2010
latitude 44.35686 longitude 14.77492
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location
Island Olib, South of village Olib, 150 m north of St. Nikola church, Adriatic Sea (Rijeka region, Croatia)notes Syn.: Xanthoria aureola auct., Physcia parietina f. congranulata Cromb, Teloschistes parietinus f. congranulatus (Cromb.) G. Merr., Xanthoria aureola f. congranulata (Cromb.) Erichsen, Xanthoria parietina f. congranulata (Cromb.) B. de Lesd, Xanthoria parietina subsp. calcicola (Oxner) Clauzade & Cl. Roux. - Habitat: Sub-Mediterranean macchia, almost flat terrain, calcareous ground, sunny and dry place, average precipitations ~ 1.000 mm/year, average temperature 13-15 deg C, elevations 17 m (55 feet), Sub-Mediterranean phytogeographical region. Substratum: bare calcareous rock. Comment: Xanthoria calcicola is a very showy, vividly reddish-orange lichen. The thallus can sometimes grow up to 20 cm in diameter. It is often nicely round, however, not necessarily. Many times several thalli grow confluent or are of irregular shape. The lichen is very similar to much more common Xanthoria parietina. Xanthoria calcicola can be distinguished from it by +/- densely isidiate central part of the thallus (see Fig.:11), which is not the case with Xanthoria parietina. Also, apothecia are very rare, while Xanthoria parietina is almost always fertile with many, many apothecia. Ref.: (1) C.W.Smith, et all, The lichens of Great Britain and Ireland,The British Lichen Society,(2009), p 969. (2) V. Wirth, Die Flechten Baden-Württembergs, Teil.2., Ulmer (1995), p 974. (3) https://www.gbif.org/occurrence/2834853749 (accessed July 20. 2021)camera Canon G11, 6.1-30mm/f2.8-4.5
contributor's ID # Bot_0431/2010_IMG0991 photo category: Fungi - lichen
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