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Dactylospora pertusariicola (Willey ex Tuck.) Hafellner
Black-button parasite
Federal Protection: No US federal protection
State Protection: No Georgia state protection
Global Rank: GNR
State Rank: SNR
Element Locations Tracked in Biotics: No
SWAP 2015 Species of Greatest Conservation Need (SGCN): No
SWAP 2025 Species of Greatest Conservation Need (SGCN): No
2025 SGCN Priority Tier: None
Element Occurrences (EOs) in Georgia: 0
Habitat Summary for element in Georgia: Forest with boulders
Black disks on host thallus (similar to Buellia in appearance); MICROSCOPY: spores brown, 2-celled, up to 30/ascus; FIELD ID to genus only; requires dissection to take to species
Other Dactylospora species have spores up to 8/ascus
None
Forest with boulders; parasitic on Pertusaria plittiana
Obligate lichenicolous fungus, apparently not fatal to host
None
Cumberland Plateau, Ridge & Valley, Southern Blue Ridge
Unknown
Rare? Likely overlooked
None
Esslinger, T. L. 2021. A cumulative checklist for the lichen-forming, lichenicolous and allied fungi of the continental United States and Canada. Version 24. Opuscula Philolichenum 20: 100-394.
Nash III, T. H., B. D. Ryan, P. Diederich, C. Gries & F. Gungartz (eds.). 2004. Lichen flora of the greater Sonoran Desert region. Vol. II. Lichens Unlimited, Arizona State University, Tempe.
Tripp, E. A. & J. C. Lendemer. 2020. Field guide to the lichens of Great Smoky Mountains National Park. The University of Tennessee Press, Knoxville.
Malcolm Hodges
30 July 2022