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Peltigerales
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Peltigerales is an order of lichen-forming fungi belonging to the class Lecanoromycetes in the division Ascomycota. The taxonomy of the group has seen numerous changes; it was formerly often treated as a suborder of the order Lecanorales. It currently contains two suborders, seven families and about 45 genera such as Lobaria and Peltigera.

The fungi form lichens in a symbiotic relationship with one or two photosynthetic partners which may be a cyanobacterium such as Nostoc or a green alga such as Coccomyxa. The majority of species contain just a cyanobacterium, a smaller number have both a cyanobacterium and a green alga while only a few species have just a green alga. The thallus of the lichen may be foliose (leafy), subfruticose (somewhat shrubby) or granular-squamulose (scaly). The thallus attaches to a surface by means of small root-like rhizines. In some species, the thallus may vary in appearance depending on whether it contains a cyanobacterium or a green alga. Sometimes these different morphs of a single fungus were formerly thought to be separate species.

The lichens occur worldwide, growing on bark, moss, soil or rocks in humid woodland. The greatest diversity occurs in the Northern Hemisphere although the family Lobariaceae is most diverse in the Southern Hemisphere.

Members of the suborder Peltigerineae produce a wide range of secondary compounds, some of which are useful to humans in medicine and dyeing. Former uses include using Peltigera canina (dog lichen) as a remedy for the bite of a mad dog and Lobaria pulmonaria (tree lungwort) as a remedy for lung diseases because of its supposed resemblance to lung tissue.

References

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Taxonomy of the Lichen families
AscomycotaArthoniomycetes Arthoniales Dothideomycetes Capnodiales Dothideales Pleosporales Incertae sedis EurotiomycetesChaetothyriomycetidaeChaetothyriales Pyrenulales Verrucariales Incertae sedis Incertae sedisMycocaliciales LecanoromycetesAcarosporomycetidaeAcarosporales LecanoromycetidaeLecanorales Peltigerales Rhizocarpales Teloschistales Incertae sedis OstropomycetidaeAgyriales Gyalectales Ostropales Pertusariales Trichotheliales Incertae sedis LeotiomycetesLeotiomycetidaeHelotiales Incertae sedis Lichinomycetes Lichinales SordariomycetesHypocreomycetidaeCoronophorales Hypocreales Microascales XylariomycetidaeXylariales Incertae sedisPhyllachorales Incertae sedis Incertae sedis Lahmiales Incertae sedis BasidiomycotaBasidiomycetesAgaricomycetidaeAgaricales Atheliales Boletales Cantharellales TremellomycetidaeTremellales Urediniomycetes Atractiellales Uredinales Incertae sedis
References
  • Anderson, Heidi L.; Ekman, Stefan (2005). "Disintegration of the Micareaceae (lichenized Ascomycota): a molecular phylogeny based on mitochondrial rDNA sequences". Mycological Research. 109 (1): 21–30. doi:10.1017/S0953756204001625.
  • CABI Bioscience Databases. Available online at http://www.indexfungorum.org/.
  • Ertz, Damien; Lawrey, James D.; Sikaroodi, Masoumeh; Gillevet, Patrick M.; Fischer, Eberhard; Killmann, Dorothee; Sérusiaux, Emmanuël (2008). "A new lineage of lichenized basidiomycetes inferred from a two-gene phylogeny: The Lepidostromataceae with three species from the tropics". American Journal of Botany. 95 (12): 1548–1556. doi:10.3732/ajb.0800232. PMID 21628162.
  • Ekman, Stefan; Andersen, Heidi L.; Wedin, Mats (2008). "The limitations of ancestral state reconstruction and the evolution of the ascus in the Lecanorales (lichenized Ascomycota)". Systematic Biology. 57 (1): 141–156. doi:10.1080/10635150801910451. PMID 18300027.
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Peltigerales: Brief Summary
provided by wikipedia EN

Peltigerales is an order of lichen-forming fungi belonging to the class Lecanoromycetes in the division Ascomycota. The taxonomy of the group has seen numerous changes; it was formerly often treated as a suborder of the order Lecanorales. It currently contains two suborders, seven families and about 45 genera such as Lobaria and Peltigera.

The fungi form lichens in a symbiotic relationship with one or two photosynthetic partners which may be a cyanobacterium such as Nostoc or a green alga such as Coccomyxa. The majority of species contain just a cyanobacterium, a smaller number have both a cyanobacterium and a green alga while only a few species have just a green alga. The thallus of the lichen may be foliose (leafy), subfruticose (somewhat shrubby) or granular-squamulose (scaly). The thallus attaches to a surface by means of small root-like rhizines. In some species, the thallus may vary in appearance depending on whether it contains a cyanobacterium or a green alga. Sometimes these different morphs of a single fungus were formerly thought to be separate species.

The lichens occur worldwide, growing on bark, moss, soil or rocks in humid woodland. The greatest diversity occurs in the Northern Hemisphere although the family Lobariaceae is most diverse in the Southern Hemisphere.

Members of the suborder Peltigerineae produce a wide range of secondary compounds, some of which are useful to humans in medicine and dyeing. Former uses include using Peltigera canina (dog lichen) as a remedy for the bite of a mad dog and Lobaria pulmonaria (tree lungwort) as a remedy for lung diseases because of its supposed resemblance to lung tissue.

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cc-by-sa-3.0
copyright
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