There are growing numbers of lichens observed outside their expected distributions. A recent discovery of Xanthoria parietina in Provo, Utah, USA is added to that list. Other individuals of this species have been noted in inland western United States, but this specimen was believed to be the first sighting of X. parietina in the Great Basin. Herbaria records were investigated for distribution data for other collections of X. parietina outside of their typical habitat. The identity of this unexpected lichen occurring in Provo was confirmed via DNA sequencing, and based on herbarium records, was found to be the second known occurrence in the Great Basin. This discovery raises questions regarding human facilitated dispersal and establishment of lichens.
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4 November 2022
Investigating Potential Factors Influencing Shifting Lichen Distributions—a Case Study of the Maritime Sunburst Lichen (Xanthoria parietina) on a University Campus in the Great Basin
Mikele Baugh,
Steven Leavitt
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Evansia
Vol. 39 • No. 3
Fall 2022
Vol. 39 • No. 3
Fall 2022
conservation
Great Basin
lichenized fungi