This species warrants an Endangered status because the EOO is <100 km2 (12 km2), the AOO is <500 km2(6 km2), there are fewer than five locations (three total), and a major decline has occurred within the past 100 years (40% inferred decrease).
Assessor/s: Lendemer, J., Allen, J. & McMullin, T.; Reviewer/s: Yahr, R.; Facilitator(s) and Compiler(s): Scheidegger, C.
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.
Culatta, K.E. & Horton, J.L. (2014) Physiological Response of Southern Appalachian High-Elevation Rock Outcrop Herbs to Reduced Cloud Immersion. Castanea79: 182-194.
IUCN (2020) The IUCN Red List of Threatened Species. Version 2020-1. Available at: www.iucnredlist.org. (Accessed: 19 March 2020).
Lendemer, J.C. & Harris, R.C. (2013) Cladonia appalachensis, belated description of a southern Appalachian lichen endemic from the Great Smoky Mountains. Opuscula Philolichenum12: 17-22.
Find out more about the IUCN Red List Categories and Criteriahere.