''Cladidium'' is a genus of two 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.Lecanoraceae. ''Cladidium'' 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 ...

by Josef Hafellner in 1984 with '' C. thamnitis'' assigned as the type species. '' C. bolanderi'' was added to the genus in 1989.

References

Lecanoraceae Lecanorales genera Lichen genera Taxa named by Josef Hafellner Taxa described in 1984 {{Lecanorales-stub