Superregnum: Eukaryota
Regnum: Fungi
Subregnum: Dikarya
Divisio: Ascomycota
Subdivisio: Pezizomycotina
Classis: Lecanoromycetes
Subclassis: Lecanoromycetidae
Ordo: Lecanorales
Familia: Parmeliaceae
SubFamilia: Parmelioideae
Genus: Coelopogon
Species: C. abraxas – C. epiphorellus
Name
Coelopogon Brusse & Kärnefelt, 1991
References
Brusse, F.A. and Kärnefelt, I. (1991) The new southern hemisphere lichen genus Coelopogon (Lecanorales, Ascomycotina), with a new species from Southern Africa. - Mycotaxon 42: 35–41. (RLL List # / Rec. # 2577 - Recent Literature on Lichens) (Web site)
Index Fungorum
MycoBank
Vernacular names
Coelopogon is a genus of lichen-forming fungi in the family Parmeliaceae.[1] The genus contains two species found in southern South America and South Africa.
Taxonomy
Coelopogon was circumscribed in 1991 by lichenologists Franklin Andrej Brusse and Ingvar Kärnefelt, with C. abraxas assigned as the type species.[2]
Coelopogon was originally a segregate of genus Cetraria, and was grouped with the so-called "cetrarioid" lichens (lichens that are erect foliose form and have marginal apothecia and pycnidia).[3] Kärnefelt had in fact treated this genus under Coelocaulon,[4] a genus that is now considered to be synonymous with Cetraria.[5] DNA-based molecular phylogenetic analysis has shown, however, that there is no close relationship between the two genera.[6] Coelopogon does not align with any of the distinct clades that have been identified in the Parmeliaceae, and is grouped with the "genera of uncertain affinities".[3]
Description
Coelopogon has an erect fruticose growth form, it has medullary bundles of periclinal hyphae (i.e, parallel to the surface), and it lacks pseudocyphellae. Coelopogon species produce the secondary compounds epiphorellic acids 1 and 2. C. abraxas makes isidiate soralia, while C. epiphorellus makes clustered coralloid isidia, and soredia are absent.[2] Coelopogon abraxas also makes epiphorellic acid 3.[7]
Species
Coelopogon abraxas Brusse (1991) – South Africa; South America (Chile)[8]
Coelopogon epiphorellus (Nyl.) Brusse & Kärnefelt (1991) – South Africa; South America (Argentina, Chile, Falkland Islands); Antarctica[8]
References
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. hdl:10481/61998.
Brusse, F.A.; Kärnefelt, I. "The new southern hemisphere lichen genus Coelopogon (Lecanorales, Ascomycotina), with a new species from Southern Africa". Mycotaxon. 42: 35–41.
Thell, Arne; Crespo, Ana; Divakar, Pradeep K.; Kärnefelt, Ingvar; Leavitt, Steven D.; Lumbsch, H. Thorsten; Seaward, Mark R. D. (2012). "A review of the lichen family Parmeliaceae – history, phylogeny and current taxonomy". Nordic Journal of Botany. 30 (6): 641–664. doi:10.1111/j.1756-1051.2012.00008.x.
Kärnefelt, Ingvar (1986). "The genera Bryocaulon, Coelocaulon and Cornicularia and formerly associated taxa". Opera Botanica. 86: 1–90.
"Record Details: Coelocaulon Link, Handb. Erk. Gew. 3: 165 (1833)". Index Fungorum. Retrieved 20 November 2021.
Thell, Arne; Feuerer, Tassilo; Kärnefelt, Ingvar; Myllys, Leena; Stenroos, Soili (2004). "Monophyletic groups within the Parmeliaceae identified by ITS rDNA, β-tubulin and GAPDH sequences". Mycological Progress. 3 (4): 297–314. doi:10.1007/s11557-006-0100-1. S2CID 39393303.
Elix, John A.; McCaffery, Leslie F. (1997). "Epiphorellic acid 3, a new lichen diphenyl ether". Australian Journal of Chemistry. 50 (11): 1101–1104. doi:10.1071/c97083.
Randlane, Tiina; Saag, Andres; Kärnefelt, I.; Elix, J.A.; Sancho, L.G. (2007). "Cetrarioid lichens in the southern hemisphere – an identification key and distribution patterns of the species". In Kärnefelt, I.; Thell, A. (eds.). Lichenological Contributions in Honour of David Galloway. Bibliotheca Lichenologica. Vol. 95. Berlin-Stuttgart: J. Cramer in der Gebrüder Borntraeger Verlagsbuchhandlung. pp. 489–499.
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