Buellia

Buellia is a genus of fungi in the family Caliciaceae. The fungi are usually part of a crustose lichen.[1] In this case, the lichen species is given the same name as the fungus. But members may also grow as parasites on lichens (lichenicolous).[1] The algae in the lichen is always a member of the genus Trebouxia.[1]

Buellia
Buellia chloroleuca
Scientific classification
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Order: Caliciales
Family: Caliciaceae
Genus: Buellia
De Not. (1846)
Type species
Buellia disciformis
(Fr.) Mudd (1861)

Lichens in the genus are commonly called disc lichens,[2] or button lichens.[3]:229 The genus has a widespread distribution and contains about 450 species.[4]

Genetic studies indicates that the genus Amandinea and Buellia may be the same,[5] although this is not widely accepted.[6]

Species
  • Buellia disciformis
  • Buellia stillingiana
  • Photograph of a cross section of an apothecium from B. disciformis taken through a compound microscope (x400), showing numerous brown, 1-septate spores per ascus.
  • Photograph of brown, 1-septate (2-celled) spores from B. disciformis taken through a compound microscope, x1000. (spores measure 27 x 11 micrometres)

References
  1. Disc Lichen (Buellia), US Department of Agriculture
  2. Results for Scientific Name Buellia, USDA
  3. Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, ISBN 978-0-300-19500-2
  4. Kirk PM, Cannon PF, Minter DW, Stalpers JA (2008). Dictionary of the Fungi (10th ed.). Wallingford: CABI. p. 105. ISBN 978-0-85199-826-8.
  5. Scheidegger, C. 2009. Amandinea Choisy ex Scheid. & H. Mayrhofer (1993). In: C. W. Smith, A. Aptroot, B. J. Coppins, A. Fletcher, O. L. Gilbert, P. W. James and P. A. Wosley (eds.) The Lichens of Great Britain and Ireland. The British Lichen Society, Natural History Museum Publications, United Kingdom, pp. 142–144
  6. Amandinea punctata in the Joshua Tree National Park (California, U.S.A.) Map collection: Kerry Knudsen, Kocourková Jana; Czech University of Life Sciences Prague, Faculty of Environmental Sciences, Department of Ecology, Czech Republic; 2012


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