Pilophorus fibula (Appalachian Matchsticks) warrants listing as endangered under the B2ab(ii,iv) criteria as its AOO is less than 500 square kilometers, its subpopulations are severely fragmented, and there has been a decline in the AOO and number of locations.
Assessor/s: Lendemer, J., Allen, J. & McMullin, T.; Reviewer/s: Yahr, R.; Facilitator(s) and Compiler(s): Scheidegger, C.
IUCN. 2020. The IUCN Red List of Threatened Species. Version 2020-1. Available at: www.iucnredlist.org. (Accessed: 19 March 2020).
Lendemer, J.C., R.C. Harris, & E.A. Tripp (2013) The Lichens and Allied Fungi of Great Smoky Mountains National Park. The New York Botanical Garden Press.
McMullin, R.T. (2018) New and interesting lichens and allied fungi from British Columbia, Nova Scotia, Nunavut, Ontario, Prince Edward Island, and Quebec, Canada. Opuscula Philolichenum17: 6-23.
Find out more about the IUCN Red List Categories and Criteriahere.