Cora timucua Lücking et al., 2020:664
Timucua heart lichen, Timucua lettuce basidiolichen
Taxonomy & Nomenclature
Conservation Status
Missing (Lücking et al., 2020; Dal Forno et al., 2021; NatureServe, 2026)
Last record: 1985 (Lücking et al., 2020; Dal Forno et al., 2021; NatureServe, 2026)
IUCN RedList status: Critically Endangered (Possibly Extinct)
Distribution & Habitat
northern peninsula of Florida, USA
Type locality: "USA. Florida: [Seminole County], Oviedo; [28º40' N, 81º12' W], [15 m]" (Lücking et al., 2020)
Historically, the species occurred over an area of at least 14,059 km2, but today its maximum possible occurrence in the sand pine scrub ecoregion is just 73km2 (Dal Forno et al., 2021)
Biology & Ecology
Hypodigm
Holotype: US 1034276
Media
References
Original scientific description:
Robert Lücking, Laurel Kaminsky, Gary B. Perlmutter, James D. Lawrey, and Manuela Dal Forno. (2020). Cora timucua (Hygrophoraceae), a new and potentially extinct, previously misidentified basidiolichen of Florida inland scrub documented from historical collections. The Bryologist 123(4): 657-673. https://doi.org/10.1639/0007-2745-123.4.657
Other references:
Consortium of Lichen Herbaria. (2026). Consortium of Lichen Herbaria. Available at: https//:lichenportal.org/portal/index.php [Accessed on 18 August 2026]
Dal Forno, M., Kaminsky, L. and Lücking, R. (2021). Cora timucua. The IUCN Red List of Threatened Species 2021: e.T175711802A175712343. https://dx.doi.org/10.2305/IUCN.UK.2021-1.RLTS.T175711802A175712343.en. Accessed on 09 April 2022.
Esslinger, T. L. (2019). A cumulative checklist for the lichen-forming, lichenicolous and allied fungi of the continental United States and Canada. Opuscula Philolichenum 18: 102-378.
Fink, B. (1935). The Lichen Flora of the United States. University of Michigan Press, Ann Arbor, Michigan.
Hale Jr., M. E. and Culberson, W. L. (1956). A checklist of the lichens of the United States, Canada, and Alaska. Castanea 21(2): 73-105.
Hale Jr., M. E. and Culberson, W. L. (1970). A fourth checklist of the lichens of the continental United States and Canada. The Bryologist 73(3): 499-543.
Moore, B. J. (1970). Additions to the macrolichen flora of Florida. The Bryologist 75: 149.
NatureServe. (2026). Cora timucua: Timucua Heart Lichen. NatureServe Network Biodiversity Location Data accessed through NatureServe Explorer [web application]. NatureServe, Arlington, Virginia. Available at: https://explorer.natureserve.org/ [Accessed on 18 August 2026]
Parmasto, E. (1978. The genus Dictyonema (‘Thelephorolichenes’). Nova Hedwigia 29: 99-144.
Species Fungorum. (2026). Published on the Internet https://www.speciesfungorum.org, The Royal Botanic Gardens, Kew. [Retrieved 18 August 2026]
https://www.floridamuseum.ufl.edu/science/rare-lichen-unique-to-florida-may-be-extinct/
https://www.inaturalist.org/projects/the-timucua-heart-lichen-project