Dothideales

Dothideales
Dothideales
Cercospora beticola damage
Scientific classification
Kingdom: Fungi
Division: Ascomycota
Subdivision: Pezizomycotina
Class: Dothideomycetes
Subclass: Dothideomycetidae
Order: Dothideales
Lindau (1897)
Families

Dothideaceae
Dothioraceae

The Dothideales are an order of lichenous fungi.

Description

Taxa in this order are characterized by the absence of a hamathecium (defined as hyphae or other tissues between asci) in a locule, and formation of ovoid to cylindrical fisstunicate asci (asci that have two wall layers that split at maturity in a Jack-in-the-box-like fashion), usually in bundles or cluster called fascicles. During development, the asci push through the stromatic tissue, creating the locules.[1]

Classification

Until 2001, this order was thought to contain five families: Botryosphaeriaceae, Coccoidiaceae, Doditheaceae, Dothioraceae, and the Planistromellaceae.[2] Several molecular phylogenetic studies since that time have resulted in an organization restructuring of classification. In the most recent revision of Ascomycota classification (December 31, 2007)[3] the Dothideales contains two families, the Dothidiaceae and the Dothioraceae. The Botryosphaeriaceae (order Botryosphaeriales) and the Planistromellaceae have been moved to order and family incertae sedis, respectively, pending the acquisition and analysis of additional molecular data.

References

  1. ^ Blackwell, Meredith; Alexopoulos, Constantine John; Mims, Charles W. (1996). Introductory Mycology. New York: Wiley. ISBN 0-471-52229-5. 
  2. ^ Bisby, Guy Richard; Ainsworth, G. C.; Kirk, P. M.; Aptroot, André (2001). Ainsworth & Bisby's Dictionary of the fungi / by P. M. Kirk... [et al.]; with the assistance of A. Aptroot... [et al.]. Oxon: CAB International. ISBN 0-85199-377-X. 
  3. ^ "Myconet". http://www.fieldmuseum.org/myconet/outline.asp#subclassDoth. Retrieved 2008-12-06. 



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