Pyrenodesmia Erodens
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''Pyrenodesmia erodens'' is a species of
crustose lichen Crustose lichens are lichens that form a crust which strongly adheres to the Substrate (biology), substrate (soil, rock, tree bark, etc.), making separation from the substrate impossible without destruction. The basic structure of crustose lichen ...
in the family
Teloschistaceae The Teloschistaceae are a large family (biology), family of mostly lichen-forming fungi belonging to the class (taxonomy), class Lecanoromycetes in the division (botany), division Ascomycota. The family has a cosmopolitan distribution, althoug ...
. Found in Italy, the lichen was first described in 2003 as a member of the genus ''
Caloplaca ''Caloplaca'' is a lichen genus comprising a number of distinct species. Members of the genus are commonly called firedot lichen, jewel lichen.Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, gold lichens, "ora ...
''. It was reclassified in the genus '' Pyrenodesmia'' in 2013 as part of a larger
molecular phylogenetics Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...
-informed reorganization of the Teloschistaceae.


References

Teloschistales Lichen species Lichens described in 2003 Lichens of Southeastern Europe {{Teloschistales-stub