Lobothallia alphoplaca

Lobothallia alphoplaca, the variable sunken disk lichen, is a creamy gray to brown,[2]: 307  placodioid areolate lichen that grows on rock in on rock and sometimes moss.[3] It prefers growing on siliceous rocks.[3] It is found in Europe, central Asia, and North America, where it grows in the southwestern deserts to central California.[3] The center has numerous crowded and deformed apothecia with rims of thallus-like tissue (lecanorine).[3] With dark reddish or grayish brown to black discs.[3] Lichen spot tests on the thallus and apothecia are C−, and KC−, with tests on the cortex K+ red, P+ orange, or K−, P− and on the medulla K+ red, and P+ orange.[3] It produces norstictic acid, constictic acid, or salazinic acid as secondary metabolites.[3]

Lobothallia alphoplaca
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Order: Pertusariales
Family: Megasporaceae
Genus: Lobothallia
Species:
L. alphoplaca
Binomial name
Lobothallia alphoplaca
Synonyms[1]
  • Parmelia alphoplaca Wahlenb. (1803)
  • Lecanora alphoplaca (Wahlenb.) Ach. (1810)
  • Lecanora melanaspis var. alphoplaca (Wahlenb.) Th.Fr.
  • Aspicilia alphoplaca (Wahlenb.) Poelt & Leuckert (1973)
  • Paraplacodium alphoplacum (Wahlenb.) Motyka (1996)

References
  1. "Synonymy: Lobothallia alphoplaca (Wahlenb.) Hafellner". Species Fungorum. CAB International. Retrieved 2014-11-01.
  2. Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, ISBN 978-0-300-19500-2
  3. Lichen Flora of the Greater Sonoran Desert Region. Vol 2, Nash, T.H., Ryan, B.D., Gries, C., Bugartz, F., (eds.) 2001,


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.