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Pyxine albovirens

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Species of lichen

Pyxine albovirens
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Order: Caliciales
Family: Caliciaceae
Genus: Pyxine
Species: P. albovirens
Binomial name
Pyxine albovirens
(G.Mey.) Aptroot (1987)
Synonyms
  • Lecidea albovirens G.Mey. (1818)

Pyxine albovirens is a species of foliose lichen in the family Caliciaceae that is found in North America and South America. It was first formally described as a species of Lecidea in 1818 by German botanist Georg Friedrich Wilhelm Meyer. André Aptroot transferred it to the genus Pyxine in 1987.

The lichen has lobes with distinctly round, laminal soralia. It contains lichexanthone, a lichen product that causes the cortex to fluoresce bright yellow when lit with a long-wavelength UV light. A chemical spot test of the medulla with an aqueous solution of potassium hydroxide (i.e., the K test) is partly K− and partly K+ (purplish).

References

  1. "Synonymy. Current Name: Pyxine albovirens (G. Mey.) Aptroot, in Aptroot, Flora of the Guianas, Series E: Fungi and Lichens. Fascicle 1. Pyxinaceae (Koenigstein): 42 (1987)". Species Fungorum. Retrieved 4 June 2022.
  2. Aptroot, A. (1987). Görts-van Rijn, A.R.A. (ed.). Pyxinaceae (Lichens). Flora of the Guianas. E: Fungi and Lichens. Koenigstein: Koeltz Scientific Books. p. 42. ISBN 978-3-87429-272-6.
  3. Aptroot, André; Jungbluth, Patrícia; Cáceres, Marcela E.S. (2014). "A world key to the species of Pyxine with lichexanthone, with a new species from Brazil". The Lichenologist. 46 (5): 669–672. doi:10.1017/s0024282914000231. S2CID 85901115.
Taxon identifiers
Pyxine albovirens
Lecidea albovirens


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