Pyrenula cruentata

Pyrenula cruentata is a species of corticolous (bark-dwelling), crustose lichen in the family Pyrenulaceae. The lichen, characterized by its crimson-colored thallus and perithecial warts,^[3] has a neotropical distribution.^[4]

Pyrenula cruentata
in Cuba
Conservation status
Apparently Secure  (NatureServe)[1]
Scientific classification
Kingdom:	Fungi
Division:	Ascomycota
Class:	Eurotiomycetes
Order:	Pyrenulales
Family:	Pyrenulaceae
Genus:	Pyrenula
Species:	P. cruentata
Binomial name
Pyrenula cruentata (Müll.Arg.) R.C.Harris (1987)
Synonyms[2]
Bottaria cruentata Müll.Arg. (1885)

The lichen was first formally described in 1885 by Swiss botanist Johannes Müller Argoviensis as Bottaria cruentata.^[5] Richard Harris transferred it to the genus Pyrenula in 1987.^[6]

In northern North America, where its distribution in the United States is limited to southern Florida, it is commonly known as the bark rash lichen. It occurs on the bark of hardwood trees in hammocks and woodlands.^[3]

See also

• List of Pyrenula species