''Circinaria caesiocinerea'' is a species of
lichen
A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.[Megasporaceae
Megasporaceae are a family of fungi belonging to the order Pertusariales. Taxa are lichenized with green algae, and grow on rocks, often in maritime climates close to fresh water. Phylogenetic analysis has shown that this family is related to the ...]
. It was first
described as ''Lecanora caesiocinerea'' in 1869 by
William Nylander
William Andrew Michael Junior Nylander Altelius (born 1 May 1996) is a Canadian-born Swedish professional ice hockey right winger for the Toronto Maple Leafs of the National Hockey League (NHL). Nylander was selected by the Maple Leafs in the ...
,
but was transferred to the genus ''
Circinaria'' in 2010 by Anders Nordin, Sanja Savić, and
Leif Tibell
Leif Tibell (born 16 November 1944) is a Swedish lichenologist and Emeritus Professor at the University of Uppsala. He is known for his expertise on calicioid lichens. He was awarded the Acharius Medal in 2012 for lifetime achievements in lich ...
.
References
Pertusariales
Lichen species
Taxa named by William Nylander (botanist)
Lichens described in 1869
{{Pertusariales-stub