lichen
A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.fungi in the family
Arctomiaceae
The Arctomiaceae are a family of lichenized fungi in the Ascomycota, class Baeomycetales. The family was named by Theodor Magnus Fries in 1861, with '' Arctomia'' as the type genus. Species in this family are found in arctic and subarctic habitat ...
. The genus was originally
circumscribed
In geometry, the circumscribed circle or circumcircle of a polygon is a circle that passes through all the vertices of the polygon. The center of this circle is called the circumcenter and its radius is called the circumradius.
Not every polyg ...
by
Theodor Magnus Fries
Theodor "Thore" Magnus Fries (28 October 1832 – 29 March 1913), was a Swedish botanist, lichenologist, and Arctic explorer. He was the son of the mycologist Elias Fries.
Following in his father's footsteps, Fries studied botany, obtaining his ...
Arctomia papuanorum
''Arctomia'' is a genus of lichen-forming fungi in the family Arctomiaceae. The genus was originally circumscription (taxonomy), circumscribed by Theodor Magnus Fries in 1861. ''Arctomia'' has a circumpolar distribution.
Species
*''Arctomia del ...
Arctomia uviformis
''Arctomia'' is a genus of lichen-forming fungi in the family Arctomiaceae. The genus was originally circumscribed by Theodor Magnus Fries in 1861. ''Arctomia'' has a circumpolar distribution.
Species
*'' Arctomia delicatula''
*''Arctomia pa ...
''
Molecular phylogenetic
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 ...
evidence revealed inappropriate classifications for two species once placed in this genus, ''A. insignis'' and ''A. borbonica'' ; they were formally transferred to the genus ''
Gabura
''Gabura'' is a genus of lichen-forming fungi in the family Arctomiaceae. Although it was originally circumscribed in 1763 by French botanist Michel Adanson, the name was nomen rejiciendum–it was "suppressed" against the conserved name '' ...
'' in 2020. ''Arctomia fascicularis'' was confirmed to belong to ''Gabura'', a generic placement originally proposed by Per Magnus Jørgensen in 2014.