Candelariella

Candelariella is a genus of bright yellow, ocher, or greenish yellow crustose or squamulose lichens in the family Candelariaceae.[1] Members of the genus are commonly called eggyolk lichens,[2] goldspeck lichens, or yolk lichens.[3] The genus was circumscribed in 1894 by Swiss lichenologist Johannes Müller Argoviensis, with Candelariella vitellina assigned as the type species.[4]

Candelariella
Candelariella vitellina
Scientific classification
Kingdom: Fungi
Division: Ascomycota
Class: Candelariomycetes
Order: Candelariales
Family: Candelariaceae
Genus: Candelariella
Müll.Arg. (1894)
Type species
Candelariella vitellina
(Ehrh.) Müll.Arg. (1894)
Species

See text

Characteristics

The key feature of Candelariella species are the distinct yellow apothecia.[3] Although all species are very small, even the smallest can be identified by the lemon-yellow to orange-yellow discs. Most species have a yellow thallus, although Candelariella antennaria is one example with a grey thallus. Some species are pycnidiate. This genus will generally have all spot tests emerge as negative, although K tests may have an orange or reddish colour on some species' apothecia.[5]

Spore count between species varies from 8 to 32 simply or thinly septate spores. Spores often hold one to two oil drops.[5]

Habitat and distribution

Candelariella species are found across the globe, although most commonly described in North America, Asia, and Australia. Species can be found on calcareous and non-calcareous rock, soil, tree bark, mosses, and other lichens. While some species may grow only on rock, and others only on trees, the more generalist species can be found in a variety of locations.[5]

Species
Candelariella aggregata
Candelariella xanthostigma

References
  1. Wijayawardene, Nalin; Hyde, Kevin; Al-Ani, Laith Khalil Tawfeeq; Somayeh, Dolatabadi; Stadler, Marc; Haelewaters, Danny; et al. (2020). "Outline of Fungi and fungus-like taxa". Mycosphere. 11: 1060–1456. doi:10.5943/mycosphere/11/1/8.
  2. Name Search Results for Scientific Name Candelariella, USDA
  3. Sharnoff, S. (2014). Field Guide to California Lichens. Yale University Press. p. 249. ISBN 978-0-300-19500-2.
  4. Müller, J. (1894). "Conspectus systematicus lichenum Novae Zelandiae". Bulletin de l'Herbier Boissier (in Latin). 2 (App. 1): 11, 47.
  5. Westberg, M.; Nash, T.H. (2002). "Candelariella". In Nash, T.H.; Ryan, B.D.; Gries, C.; Bungartz, F. (eds.). Lichen Flora of the Greater Sonoran Desert Region. Vol. 2. ISBN 978-0-9716759-0-2.
  6. Westberg, Martin (2007). "Candelariella (Candelariaceae) in western United States and northern Mexico: the 8-spored, lecanorine species". The Bryologist. 110 (3): 391–419. doi:10.1639/0007-2745(2007)110[391:cciwus]2.0.co;2.
  7. Räsänen, V. (1939). "II. Contribucion a la flora liquenologica sudamericana". Anales de la Sociedad Científica Argentina. 128: 133–147.
  8. McCarthy, P.M.; Elix, J.A. (2017). "A new species and new record of Candelariella (lichenized Ascomycota, Candelariaceae) from Australia". Australasian Lichenology. 81: 79–85.
  9. Westberg, Martin (2007). "Candelariella (Candelariaceae) in western United States and northern Mexico: the species with biatorine apothecia". The Bryologist. 110 (3): 365–374. doi:10.1639/0007-2745(2007)110[365:cciwus]2.0.co;2.
  10. Yakovchenko, Lidia S.; Vondrák, Jan; Ohmura, Yoshihito; Korchikov, Evgeny S.; Vondrákova, Olga S.; Davydov, Evgeny A. (2017). "Candelariella blastidiata sp. nov. (Ascomycota, Candelariaceae) from Eurasia and North America, and a key for grey thalli Candelariella". The Lichenologist. 49 (2): 117–126. doi:10.1017/s0024282917000020.
  11. Khodosovtsev, A.; Kondratyuk, S.Y.; Kärnefelt, I. (2004). "Candelariella boikoi, a new lichen species from Eurasia". Graphis Scripta. 16: 11–15.
  12. Etayo, J.; Palice, Z.; Spribille, T. (2009). "Candelariella boleana, a new epiphytic species from southern and central Europe (Candelariaceae, Ascomycota)". Nova Hedwigia. 89 (3–4): 545–552.
  13. Westberg, Martin (2007). "Candelariella (Candelariaceae) in western United States and northern Mexico: the polysporous species". The Bryologist. 110 (3): 375–390. doi:10.1639/0007-2745(2007)110[375:cciwus]2.0.co;2.
  14. Tripp, Erin A.; Lendemer, James C. (2015). "Erratum:Candelariella clarkii corrected to Candelariella clarkiae". The Bryologist. 118 (2): 240. doi:10.1639/bryo-118-02-240-240.1.
  15. Otte, V.; Yakovchenko, L.; Clerc, Ph.; Westberg, M. (2013). "Candelariella commutata sp. nov. for C. unilocularis auct. medioeur. – an arctic-alpine lichen on calcareous substrata from the Caucasus and Europe". Herzogia. 26: 217–222.
  16. Westberg, Martin; Morse, Caleb A.; Wedin, Mats (2011). "Two new species of Candelariella and a key to the Candelariales (lichenized Ascomycetes) in North America". The Bryologist. 114 (2): 325–334. doi:10.1639/0007-2745-114.2.325.
  17. Harris, R.C.; Buck, W.R. (1978). "Lichens of the Mackinac Straits Region. II. Candelariella Mull. Arg". The Michigan Botanist. 17: 155–161.
  18. Kalb, Klaus; Aptroot, André (2021). "New lichens from Africa" (PDF). Archive for Lichenology. 28: 1–12.
  19. Kondratyuk, S.Y.; Lőkös, L.; Halda, J.P.; Roux, C.; Upreti, D.K.; Schumm, F.; Mishra, G.K.; Nayaka, S.; Farkas, E.; Park, J.S.; Lee, B.G.; Liu, D.; Woo, J.-J.; Hur, J.-S. (2017). "New and noteworthy lichen-forming and lichenicolous fungi 6". Acta Botanica Hungarica. 59 (1–2): 137–260. doi:10.1556/034.59.2017.1-2.7.
  20. Kondratyuk, S.Y.; Lőkös, L.; Halda, J.P.; Farkas, E.; Upreti, D.K.; Thell, A.; Woo, J.-J.; Oh, S.-O.; Hur, J.-S. (2018). "New and noteworthy lichen-forming and lichenicolous fungi 7". Acta Botanica Hungarica. 60 (1–2): 115–184. doi:10.1556/034.60.2018.1-2.8.
  21. Liu, Dong; Wang, Lisong; Wang, Xin Yu; Hur, Jae-Seoun (2019). "Two new species of the genus Candelariella from China and Korea". Mycobiology. 47 (1): 40–49. doi:10.1080/12298093.2019.1583785.
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