Platismatia
Encyclopedia
Platismatia is genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of medium to large foliose lichen
Lichen
Lichens are composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner , usually either a green alga or cyanobacterium...

s with rather crinkled lobes. The genus is widespread and contains 10 species. They resemble many other genera of foliose lichens in the family Parmeliaceae
Parmeliaceae
The Parmeliaceae is a large and diverse family of Lecanoromycetes. With over 2000 species in roughly 87 genera, it is currently regarded as the largest family of lichen forming fungi...

, particularly Parmotrema
Parmotrema
Parmotrema is a genus of lichen belonging to the family Parmeliaceae.-External links:*...

, Cetrelia
Cetrelia
Cetrelia is a genus of lichenized fungi within the Parmeliaceae family.-External links:*...

, and Asahinea
Asahinea
Asahinea is a genus of lichenized fungi within the Parmeliaceae family. The genus has a widespread circumpolar distribution, and contains three species....

. Most species are found in forests on on the trunks and branches of conifer trees, although some species grow on rocks.

Species of Platismatia can be used to produce an orange-brown, yellow-brown, or brown dye, and at least one species was traditionally used to dye wool in Europe.
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