Biology:Xanthopsorella
Xanthopsorella is a fungal genus in the family Catillariaceae.[1][2] It comprises the single species Xanthopsorella texana, a saxicolous (rock-dwelling), squamulose lichen found in the Southern United States and Mexico.
Taxonomy
The American lichenologist William Alfred Weber originally named the species Psora texana in 1977. He collected the type specimen in 1974 from Llano County, Texas in the Guadalupe River canyon along highway 39. It was found growing as [[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]] (scaly) rosettes on the vertical rock faces of limestone cliffs.[3] In a 1980 publication, Gotthard Schneider and Weber proposed that the taxon be transferred to the genus Xanthopsora.[4] Klaus Kalb and Josef Hafellner circumscribed the new genus Xanthopsorella to contain the species in 1984.[5] As of 2016, there was no molecular sequence data available for this taxon.[6]
Another taxon proposed for inclusion in the genus, Xanthopsorella llimonae Hertel, Egea & Poelt (1987),[7] has been shown to be synonymous with Glyphopeltis ligustica.[8]
Description
Xanthopsorella texana has a squamulose thallus that ranges in color from raw sienna to yellowish to reddish. The thallus grows in the form of rosettes up to 3 or 4 cm (1.2 or 1.6 in) in diameter, and these comprise individual squamules up to 5 mm (0.2 in) in diameter on the thallus margins, and about 2–3 mm in the inner ([[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]]) areas of the thallus. The upper [[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]] has a [[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]] tissue structure and is 30–50 μm thick. The apothecia (fruiting bodies) made by the lichen are black to purplish black and [[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]] with a somewhat constricted base. The [[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]], which number eight per ascus, are spherical and hyaline, measuring 3 to 4 μm in diameter.[3]
Habitat and distribution
In additional to the type locality in Texas, Xanthopsorella texana has also been recorded in Mexico, including Coahuila, San Luis Potosí, Tamaulipas, and Chiapas. It grows on limestone.[3]
References
- ↑ "Xanthopsorella". Species 2000: Leiden, the Netherlands. https://www.catalogueoflife.org/data/taxon/CF8ZS.
- ↑ Wijayawardene, N.N.; Hyde, K.D.; Dai, D.Q.; Sánchez-García, M.; Goto, B.T.; Saxena, R.K. et al. (2022). "Outline of Fungi and fungus-like taxa – 2021". Mycosphere 13 (1): 53–453 [148]. doi:10.5943/mycosphere/13/1/2. https://www.researchgate.net/publication/358798332.
- ↑ 3.0 3.1 3.2 Weber, William A. (1977). "A new species of Psora (Lichenes: Lecideaceae) from Texas and Mexico". Mycotaxon 6 (1): 178–180. http://www.cybertruffle.org.uk/cyberliber/59575/0006/001/0178.htm.
- ↑ Schneider, Gotthard (1979) (in de). Die Flechtengattung Psora sensu Zahlbruckner. Bibliotheca Lichenologica. 13. Vaduz: J. Cramer. p. 158. ISBN 978-3-7682-1257-1.
- ↑ Hertel, Hannes (1984) (in de). Über saxicole, lecideoide Flechten der Subantarktis. Beihefte zur Nova Hedwigia. 79. J. Cramer. pp. 399–499 [384].
- ↑ Lücking, Robert; Hodkinson, Brendan P.; Leavitt, Steven D. (2017). "The 2016 classification of lichenized fungi in the Ascomycota and Basidiomycota–Approaching one thousand genera". The Bryologist 119 (4): 373; 384. doi:10.1639/0007-2745-119.4.361.
- ↑ Nimis, P.L.; Poelt, J. (1987). "The lichens and lichenicolous fungi of Sardinia (Italy)". Studia Geobotanica 7 (S1): 242.
- ↑ Timdal, Einar (1988). "Glyphopeltis eburina and Xanthopsorella llimonae are Glyphopeltis ligustica, comb. nov.". Mycotaxon 31 (1): 101–102. http://www.cybertruffle.org.uk/cyberliber/59575/0031/001/0101.htm.
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