''Bryoria pseudofuscescens'' is a 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.Parmeliaceae The Parmeliaceae is a large and diverse family of Lecanoromycetes. With over 2700 species in 71 genera, it is the largest family of lichen-forming fungi. The most speciose genera in the family are the well-known groups: '' Xanthoparmelia'' ( 822 ...

. As of July 2021, its

conservation status The conservation status of a group of organisms (for instance, a species) indicates whether the group still exists and how likely the group is to become extinct in the near future. Many factors are taken into account when assessing conservation ...

has not been estimated by the

IUCN The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natu ...

. In

Iceland Iceland ( is, Ísland; ) is a Nordic island country in the North Atlantic Ocean and in the Arctic Ocean. Iceland is the most sparsely populated country in Europe. Iceland's capital and largest city is Reykjavík, which (along with its s ...

, it is found in only one location in Gálgahraun lava field in

Álftanes Álftanes () is the name of a town and a collection of small peninsulas in Iceland. It means ''swan peninsula''. The best known of these peninsulas extrudes from the eastern part of Reykjanes with the town of the same name in the Capital Regio ...

and is locally classified as a critically endangered species (CR).

References

Lichen species Lichens described in 1977 pseudofuscescens Taxa named by Vilmos Kőfaragó-Gyelnik {{Fungus-stub