''Lecanactis'' is a genus of crustose lichens, commonly called old wood rimmed lichen. 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 ...

in 1855 by German lichenologist Gustav Wilhelm Körber, who assigned ''

Lecanactis abietina ''Lecanactis abietina'' is a species of lichen belonging to the family Roccellaceae The Roccellaceae are a family of fungi in the order Arthoniomycetes. Most taxa are lichenized with green algae, although some are lichenicolous, growing on ot ...

'' as the type species. The

mycobiont A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.fungus partner) is in the family Roccellaceae. The photobiont is an

algae Algae (; singular alga ) is an informal term for a large and diverse group of photosynthetic eukaryotic organisms. It is a polyphyletic grouping that includes species from multiple distinct clades. Included organisms range from unicellular mic ...

in the genus '' Trentepohlia''.Old Wood Rimmed Lichen (''Lecanactis''), Encyclopedia of Life
/ref>

Species

*''

'' *''

Lecanactis borbonica ''Lecanactis'' is a genus of crustose lichens, commonly called old wood rimmed lichen. The genus was circumscribed in 1855 by German lichenologist Gustav Wilhelm Körber, who assigned ''Lecanactis abietina'' as the type species. The mycobio ...

'' *''

Lecanactis canariensis ''Lecanactis'' is a genus of crustose lichens, commonly called old wood rimmed lichen. The genus was circumscribed in 1855 by German lichenologist Gustav Wilhelm Körber, who assigned ''Lecanactis abietina'' as the type species. The mycobio ...

'' *''

Lecanactis citrina ''Lecanactis'' is a genus of crustose lichens, commonly called old wood rimmed lichen. The genus was circumscribed in 1855 by German lichenologist Gustav Wilhelm Körber, who assigned ''Lecanactis abietina'' as the type species. The mycobio ...

'' *'' Lecanactis coniochlora'' *''

Lecanactis latispora ''Lecanactis'' is a genus of crustose lichens, commonly called old wood rimmed lichen. The genus was circumscribed in 1855 by German lichenologist Gustav Wilhelm Körber, who assigned ''Lecanactis abietina'' as the type species. The mycobio ...

'' *'' Lecanactis leprarica'' – Cameroon *'' Lecanactis luteola'' *'' Lecanactis malmideoides'' – South America *'' Lecanactis minuta'' *'' Lecanactis minutissima'' *''

Lecanactis mollis ''Lecanactis'' is a genus of crustose lichens, commonly called old wood rimmed lichen. The genus was circumscribed in 1855 by German lichenologist Gustav Wilhelm Körber, who assigned ''Lecanactis abietina'' as the type species. The mycobio ...

'' *'' Lecanactis neozelandica'' *'' Lecanactis platygraphoides'' *'' Lecanactis quassiae'' *'' Lecanactis rubra'' – Madagascar *'' Lecanactis spermatospora'' *'' Lecanactis subdilleniana'' *'' Lecanactis subfarinosa'' *'' Lecanactis submollis'' *'' Lecanactis sulphurea''

References

Roccellaceae Arthoniomycetes genera Lichen genera Taxa described in 1855 Taxa named by Gustav Wilhelm Körber {{Arthoniomycetes-stub