''Leimonis erratica'' is a species of crustose lichen in the family

Pilocarpaceae The Pilocarpaceae are a family of crustose lichens in the order Lecanorales. The species of this family have a cosmopolitan distribution and have been found in a variety of climatic regions. Pilocarpaceae was circumscribed by Alexander Zahlbruck ...

. A widely distributed species that grows on

siliceous rock Siliceous rocks are sedimentary rocks that have silica (SiO2) as the principal constituent. The most common siliceous rock is chert; other types include diatomite. They commonly form from silica-secreting organisms such as radiolarians, diatoms, or ...

, it is found in Asia, Australia, North America, and

Réunion Réunion (; french: La Réunion, ; previously ''Île Bourbon''; rcf, label= Reunionese Creole, La Rényon) is an island in the Indian Ocean that is an overseas department and region of France. It is located approximately east of the island ...

Taxonomy

The lichen was originally described in 1861 by German lichenologist Gustav Wilhelm Körber as a member of genus '' Lecidea''. In 2009, Richard Harris and James Lendemer transferred it to the new genus ''

Leimonis ''Leimonis'' is a genus of lichen-forming fungi in the family Pilocarpaceae. It has 2 species. The genus was circumscribed In geometry, the circumscribed circle or circumcircle of a polygon is a circle that passes through all the vertices ...

'', in which it is the type species.

References

Pilocarpaceae Lichen species Lichens described in 1861 Lichens of Asia Lichens of Australasia Lichens of North America Lichens of Réunion Taxa named by Gustav Wilhelm Körber {{Lecanorales-stub