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Dactylospora glaucomarioides (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: Forests with boulders
Black disks on host thallus (similar to Buellia in appearance); MICROSCOPY: spores brown, 4-celled to submuriform, about 12-15 x 5-7.5 µm; FIELD ID to genus only; requires dissection to take to species
Other Dactylospora species have 2-celled spores & most are on different hosts
None
Forests with boulders, where parasitic on Ochrolechia, Pertusaria
Obligate lichenicolous fungus, apparently not fatal to host
None
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