''Cyphelium notarisii'' or soot lichen is a

species In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...

of lichenised

fungus A fungus (plural, : fungi or funguses) is any member of the group of Eukaryote, eukaryotic organisms that includes microorganisms such as yeasts and Mold (fungus), molds, as well as the more familiar mushrooms. These organisms are classified ...

in the family Caliciaceae. Found in Europe and North America, it grows on wood, often in coastal areas. The species was first described as ''Acolium notarisii'' by

Edmond Tulasne Louis René Étienne Tulasne, a.k.a. Edmond Tulasne (12 September 1815 – 22 December 1885) was a French botanist and mycologist born in Azay-le-Rideau. He originally studied law at Poitiers, but his interest later turned to botany. As a you ...

in 1852.

References

Caliciales Lichens described in 1852 Lichens of Europe Lichens of North America Lichen species Taxa named by Edmond Tulasne {{Caliciales-stub