''Australidea'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

in the family

Malmideaceae Malmideaceae is a family of crustose and corticolous lichens in the order Lecanorales. It contains eight genera and about 70 species. Taxonomy Malmideaceae was created in 2011 to accommodate a group of species, formerly placed in genus ''Malcolm ...

. It is monospecific, containing a single species, the

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 ...

''Australidea canorufescens''. The genus was

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 ...

Gintaras Kantvilas Gintaras Kantvilas (born 1956) is an Australian lichenologist, who earned his Ph.D in 1985 from the University of Tasmania with a thesis entitled ''Studies on Tasmanian rainforest lichens''. He has authored over 432 species names, and 167 gener ...

, Mats Wedin, and Måns Svensson in 2021 to contain the species previously known as ''Lecidea canorufescens''. This lichen is widespread in

temperate In geography, the temperate climates of Earth occur in the middle latitudes (23.5° to 66.5° N/S of Equator), which span between the tropics and the polar regions of Earth. These zones generally have wider temperature ranges throughout t ...

Australia.

References

Malmideaceae Lichen genera Lecanorales genera Taxa described in 2021 Taxa named by Gintaras Kantvilas {{Lecanorales-stub