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Candelariella xanthostigma
(species Of) Goldspeck Lichen
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Photographer: Dr. Amadej Trnkoczy
ID: 0000 0000 0218 1160 (2018-02-17)Copyright © 2018 Dr. Amadej Trnkoczy
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INFORMATION PROVIDED WITH THE PHOTO
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date of photo Jan 11, 2018
latitude 46.36026 longitude 13.70262
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location
Lower Trenta valley, right bank of river Soča; between villages Soča and Trenta; near Trenta 2b cottage, East Julian Alps (Posočje, Slovenia)notes Slo.: ? - Syn.: Caloplaca xanthostigma (Pers. ex Ach.) H. Olivier, Candelariella lutella (Vain.) Räsänen, Gyalolechia vitellina var. xanthostigma (Pers. ex Ach.) Dalla Torre & Sarnth, Lecanora xanthostigma (Pers. ex Ach.) Röhl. - Habitat: natural tree hedge between abandoned pastures; moderately inclined mountain slope, south-east aspect; relatively warm and dry place; calcareous ground, sunny place; exposed to direct rain; average precipitations ~ 3.000 mm/year, average temperature 7-9 deg C, elevations 600 m (1.950 feet), alpine phytogeographical region. - Substratum: bark of smaller branches of almost stand-alone, recently cut down Juglans regia. - Comment: Candelariella xanthostigma is a tiny, common lichen. Its apothecia measure less than 1 mm in diameter. So, it is easy to overlook it. To use a hand lens for observation is a must. The species can be recognized by its yellow or yellow-greenish thallus, which consists of tiny corticated granules and yellow apothecia (if present). It grows on broadleaf tree bark. However, there exist several similar minute, yellow species, hence a mistake in determination cannot be excluded. Observing asci, which are 12- to 32-spored in Candelariella xanthostigma would make the determination reliable. Several specimens were found on this tree, mostly on thinner branches. Most of them were sterile (yellow granules only). Ref.: (1) C.W. Smith, et al, The lichens of Great Britain and Ireland, The British Lichen Society, (2009), p 278. (2) I.M. Brodo, S.D. Sharnoff, S. Sharnoff, Lichens of North America, Yale Uni. Press (2001), p 206. (3) V. Wirth, Die Flechten Baden-Württembergs, Teil.1., Ulmer (1995), p 247. (4) F.S. Dobson, Lichens, The Richmonds Publishing Ca.LTD (2005), p 113. (5) https://www.researchgate.net/publication/259591560_A_conspectus_of_the_lichen_genus_Candelariella_in_southwest_Asia_with_emphasis_on_Iran_Nova_Hedwigia (accessed Feb. 13. 2018) (6) https://www.thm.de/lse/fachbereich/team/professoren/singlearticle/13-94-Kirschbaum/215-c.html (accessed Feb. 15. 2018) (7) http://www.stridvall.se/lichens/gallery/Candelariella/NIKB0666 (accessed Feb. 15. 2018)camera Nikon D700 / Nikkor Micro 105mm/f2.8
contributor's ID # Bot_1105/2018_DSC0288 photo category: Fungi - lichen
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MORE INFORMATION ABOUT THIS FUNGUS
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| common names
(species Of) Goldspeck Lichen, Yolk Lichen (photographer)
View all photos in CalPhotos of Candelariella xanthostigma Check Google Images for Candelariella xanthostigma |
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The photographer's identification Candelariella xanthostigma has not been reviewed. Click here to review or comment on the identification. |
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Using this photo The thumbnail photo (128x192 pixels) on this page may be freely used for personal or academic purposes without prior permission under the Fair Use provisions of US copyright law as long as the photo is clearly credited with © 2018 Dr. Amadej Trnkoczy.
For other uses, or if you have questions, contact Dr. Amadej Trnkoczy amadej.trnkoczy[AT]siol.net. (Replace the [AT] with the @ symbol before sending an email.) |
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