Cladonia perforata is a rare species of lichen known by the common names Florida perforate cladonia and Florida perforate reindeer lichen. It is endemic to the state of Florida in the United States, where it is known from 16 populations in four widely separated areas of the state . It is native to a very specific type of Florida scrub habitat which is increasingly rare and patchy due to habitat destruction, degradation, and fragmentation . In 1993 this was the first species of lichen to be federally listed as an endangered species of the United States .
-  USFWS. Cladonia perforata Five-year Review. http://ecos.fws.gov/docs/five_year_review/doc1095.pdf
-  Teague, D. and D. Ripley. A tale of two species. Endangered Species Bulletin. November, 2000.
-  Milius, S. Yikes! The Lichens Went Flying - lichens as endangered species. Science News August 26, 2000.
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