Pyxine albovirens
| Pyxine albovirens | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Lecanoromycetes |
| Order: | Caliciales |
| Family: | Caliciaceae |
| Genus: | Pyxine |
| Species: | P. albovirens
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| Binomial name | |
| Pyxine albovirens | |
| Synonyms[1] | |
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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.[2]
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). [3]
References[edit]
- ^ "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.
- ^ 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.
- ^ 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.
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