This species is endemic to high elevations in the southern Appalachian Mountains. The narrow distribution, threats to the ecosystem in which it lives, including invasive pests, and climate change all contribute to the current status of Lecanora masana. A decline of at least 30% in the population size of this species is projected to occur within the next 36 years (three generations) due to hotter, drier climates, the invasive woolly adelgid, and air pollution. Therefore, it is assessed as Vulnerable (A3ce).
Assessor/s: Allen, J., Lendemer, J. & McMullin, T.; Reviewer/s: Yahr, R.; Facilitators/s & Compiler/s: Lymbery, C. & Allen, J.
Allen, J.L. & Lendemer, J.C. (2016) Climate change impacts on endemic, high-elevation lichens in a biodiversity hotspot. Biodiversity and Conservation25(3): 555-568.
IUCN (2021) The IUCN Red List of Threatened Species. Version 2021-2. Available at: www.iucnredlist.org. (Accessed: 04 September 2021).
Tripp, E.A. & Lendemer, J.C. (2020) Field Guide to the Lichens of Great Smoky Mountains National Park. University of Tennessee Press, Knoxville.
Find out more about the IUCN Red List Categories and Criteriahere.