Xanthoria is a genus of fungi in the family Teloschistaceae. Common names include orange lichen,[ Xanthoria. USDA PLANTS.] orange wall lichen,[Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, ] and sunburst lichen. They can be identified by their characteristic squamulose morphology with distinctive "fairy cups".
Species
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Species Fungorum (in the Catalogue of Life) accepts 19 species of
Xanthoria.
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Xanthoria aureola
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Xanthoria calcicola
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Xanthoria coomae
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Xanthoria ectaneoides
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Xanthoria hypogymnioides
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Xanthoria ibizaensis
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Xanthoria juniperina
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Xanthoria kangarooensis
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Xanthoria lapalmaensis
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Xanthoria parietina – common orange lichen, yellow scale, maritime sunburst lichen, shore lichen
[
]
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Xanthoria polessica
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Xanthoria pylyporlykii
– Europe
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Xanthoria rutilans
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Xanthoria schummii
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Xanthoria splendidula
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Xanthoria ulophyllodes – powdery sunburst lichen
[Waleski Joe (2007). Lichens of the North Woods Duluth, MN: Kollath+Stensaas]
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Xanthoria whinrayi
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Xanthoria yorkensis
The taxon Xanthoria coomae and Xanthoria polessica were determined to be the same species as X. parietina in a 2020 publication. The taxon once known as Xanthoria elegans is now Rusavskia elegans, the type species of genus Rusavskia.