Phaeotrema
# Phaeotrema

Phaeotrema is a genus of lichen-forming fungi in the family Graphidaceae. The genus was circumscribed in 1887 by Johannes Müller Argoviensis, with P. subfarinosum assigned as the type species.

## Species

As of March 2023, Species Fungorum (in the Catalogue of Life) accepts 20 species of Phaeotrema.

* Phaeotrema apertum C.W.Dodge (1964)
* Phaeotrema chlorosporum Zahlbr. (1928)
* Phaeotrema disciforme (Leight.) Hale (1974)
* Phaeotrema discissum (Nyl.) Patw. & C.R.Kulk. (1981)
* Phaeotrema erumpens (Leight.) R.Sant. (1952)
* Phaeotrema feeanum (A.Massal.) Zahlbr. (1923)
* Phaeotrema foraminulosum (Kremp.) Zahlbr. (1923)
* Phaeotrema fuscescens (Kremp.) Zahlbr. (1923)
* Phaeotrema glyphidellum (Stirt.) Zahlbr. (1923)
* Phaeotrema leucastrum (Tuck.) Zahlbr. (1923)
* Phaeotrema limae (Vain.) Zahlbr. (1939)
* Phaeotrema microcarpa Szatala (1955)
* Phaeotrema pachysporum (Nyl.) Zahlbr. (1923)
* Phaeotrema palmense (Vain.) Zahlbr. (1939)
* Phaeotrema phaeospermoides (Vain.) Zahlbr. (1923)
* Phaeotrema pictetianum Müll.Arg. (1891)
* Phaeotrema sticticum Hale (1975)
* Phaeotrema subfarinosum (Fée) Müll.Arg. (1887)
* Phaeotrema subinalbescens (Nyl.) Zahlbr. (1923)
* Phaeotrema uber Hue (1916)
