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Platismatia tuckermanii (Oakes) Culb. & C. Culb.
Crumpled Rag
Federal Protection: No US federal protection
State Protection: No Georgia state protection
Global Rank: G5
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: Mixed conifer ? hardwood forests
Pale green-gray maculate thallus of broad, ruffled lobes (0.5-2 cm wide), often rising vertically from substrate; lobes with uneven surfaces of ridges and pits; large brown apothecia form near or along edges; lobe edges otherwise blackened and lined with broad knobby protuberances (pycnidia); underside white to pale brown; FIELD ID: unmistakable in its large size & bold, crumpled appearance
Tuckermannopsis species have smoother thalli with black cylindrical pycnidia along edges
None
Mixed conifer – hardwood forests; substrates: conifer bark: 69% Pinus & 1 record each from Juniperus & Tsuga; 24% from hardwood bark
Corticolous foliose lichenized fungus, photobiont a green alga in Trebouxia
None
Cumberland Plateau, Southern Blue Ridge, adjacent northern Piedmont
Unknown
Common; one of the most conspicuous lichens in the mountains & adjacent areas
None
Brodo, I. M. 2001. Lichens of North America. Yale University Press, New Haven, Conn.
Brodo, I. M. 2016. Keys to lichens of North America: revised and expanded. Yale University Press, New Haven, Conn.
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.
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
3 August 2022