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Dufourea (lichen)

(Redirected from Xanthodactylon)

Dufourea is a genus of mostly foliose lichen species in the subfamily Xanthorioideae of the family Teloschistaceae.[2] Species in the genus are found in the Southern Hemisphere.

Dufourea
Dufourea ligulata
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Order: Teloschistales
Family: Teloschistaceae
Genus: Dufourea
Ach. (1809)
Type species
Dufourea flammea
(L.f.) Ach. (1810)
Synonyms[1]
  • Jackelixia S.Y.Kondr., Fedorenko, S.Stenroos, Kärnefelt & A.Thell (2009)
  • Ovealmbornia S.Y.Kondr., Fedorenko, S.Stenroos, Kärnefelt, Elix & A.Thell (2009)
  • Xanthodactylon P.A.Duvign. (1941)
  • Xanthokarrooa S.Y.Kondr., Fedorenko, S.Stenroos, Kärnefelt, Elix & A.Thell (2009)

Taxonomy

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The genus was originally circumscribed by Swedish lichenologist Erik Acharius in Johann Albert Luyken's 1809 publication Tentamen historiae lichenum, although he did not assign any species to the genus.[3] The following year, Acharius included Dufourea in his influential work Lichenographia Universalis and included six species.[4] Luyken had studied under Acharius in Sweden and had access to Acharius's work before it was published; because his text about the genus is a partial transcription of Acharius's work (and he acknowledged Acharius), Acharius is credited as the author of the name as well as the description.[5] All six species that Acharius included in Dufourea are now classified in different genera.[6] A type species for the genus, Dufourea flammea, was selected by Giuseppe De Notaris in 1846.[7] The genus was resurrected for use in 2013 following a large-scale molecular phylogenetic analysis of the family Teloschistaceae. Dufourea species are grouped in a clade with a sister taxon relationship to genus Xanthoria.[6]

The generic name Dufourea honours French medical doctor and naturalist Léon Jean Marie (or Jean-Marie Léon) Dufour (1780–1865).[8]

Description

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Dufourea lichens occur in the Southern Hemisphere, with several species from South Africa and Australia. Most species are foliose (bushy) and relatively large, and lack true rhizines, although some species have short rhizine-like structures.[6]

Species

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As of May 2024, Species Fungorum accepts 22 species of Dufourea.[9]

References

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  1. ^ "Synonymy: Dufourea Ach., in Luyken, Tent. Hist. Lich.: 93 (1809)". Species Fungorum. Retrieved 23 December 2021.
  2. ^ Wijayawardene, N.N.; Hyde, K.D.; Dai, D.Q.; Sánchez-García, M.; Goto, B.T.; Saxena, R.K.; et al. (2022). "Outline of Fungi and fungus-like taxa – 2021". Mycosphere. 13 (1): 53–453 [156]. doi:10.5943/mycosphere/13/1/2. hdl:1854/LU-8754813.
  3. ^ Luyken, J.A. (1809). Tentamen historiae lichenum (in Latin). Gottingen. p. 93.
  4. ^ Acharius, E. (1810). Lichenographia Universalis (in Latin). Gottingen: Apud Iust. Frid. Danckwerts. pp. 103, 524.
  5. ^ Hawksworth, D.; David, John C.; Ahti, Teuvo; McNeill, John (2007). "The correct date and place of publication of the ten new generic names employed by Acharius in the Lichenographia Universalis". Taxon. 56 (2): 567–570. doi:10.1002/tax.562027. JSTOR 25065811.
  6. ^ a b c Arup, Ulf; Søchting, Ulrik; Frödén, Patrik (2013). "A new taxonomy of the family Teloschistaceae". Nordic Journal of Botany. 31 (1): 16–83. doi:10.1111/j.1756-1051.2013.00062.x.
  7. ^ De Notaris, G. (1846). "Frammenti lichenographici di un lavoro inedito". Giornale Botanico Italiano. 2: 174–224.
  8. ^ Hertel, Hannes (2012). Gattungseponyme bei Flechten und Lichenicolen Pilzen [Generic eponyms in lichens and lichenicolous fungi]. Bibliotheca Lichenologica (in German). Vol. 107. Stuttgart: J. Cramer. p. 32. ISBN 978-3-443-58086-5.
  9. ^ Source dataset. Species Fungorum Plus: Species Fungorum for CoL+. "Dufourea". Catalog of Life Version 2021-12-18. Retrieved 23 December 2021.
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