Consortium of Lichen Herbaria - Arthopyrenia betulicola

Arthopyrenia betulicola R.C. Harris, E. Tripp & Lendemer
Family: Trypetheliaceae Old Birch Spots James Lendemer	IUCN Red-List Assessment 2020 Aliso Resources Allen, J., Lendemer, J., McMullin, T. & Tripp, E. 2020. Arthopyrenia betulicola. The IUCN Red List of Threatened Species 2020: e.T80702824A80702827. Assessed as Critically Endangered C2a(i), ver 3.1; date assessed: October 6, 2019 DOWNLOAD full IUCN Assessment as PDF Common name(s): English: Old Birch Spots ASSESSMENT JUSTIFICATION [criteria: C2a(i)] This southern Appalachian endemic species has a restricted range, split into 10 subpopulations. The overall population size is extremely small (c.100 mature individuals), with a maximum subpopulation size of 10 mature individuals. Ongoing declines are projected to occur as a result of the impacts of climate change, and invasive pests impacting the species’ habitat. Therefore, it is listed as Critically Endangered C2a(i). Assessor/s: Lendemer, J. & Allen, J.; Reviewer/s: Yahr, R.; Facilitator(s) and Compiler(s): Scheidegger, C. Bibliography: Allen, J.L. & Lendemer, J.C. (2016) Climate change impacts on endemic, high-elevation lichens in abiodiversity hotspot. Biodiversity and Conservation 25(3): 555-568. Harris, R. C., Tripp E. A., & Lendemer, J. C. (2013) Arthopyrenia betulicola (Arthopyreniaceae, Dothidiomycetes), and unusual new lichenized fungus from high elevations of the southern Appalachian Mountains. Aliso 31: 77-81. IUCN. 2020. The IUCN Red List of Threatened Species. Version 2020-3. Available at: www.iucnredlist.org. (Accessed: 10 December 2020). Find out more about the IUCN Red List Categories and Criteria here. Harris, R.C.; Tripp, E.A., Lendemer, J.C. 2013. Arthopyrenia betulicola (Arthopyreniaceae, Dothidiomycetes), an unusual new lichenized fungus from high elevations of the southern Appalachian Mountains. Aliso. 31(2):77-81 ..
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