Phaeotrema

Phaeotrema is a genus of lichen-forming fungi in the family Graphidaceae.^[2] The genus was circumscribed in 1887 by Johannes Müller Argoviensis, with P. subfarinosum assigned as the type species.^[3]

Phaeotrema
Scientific classification
Kingdom:	Fungi
Division:	Ascomycota
Class:	Lecanoromycetes
Order:	Graphidales
Family:	Graphidaceae
Genus:	Phaeotrema Müll.Arg. (1887)
Type species
Phaeotrema subfarinosum (Fée) Müll.Arg. (1887)
Synonyms[1]
Asteristion Leight. (1870) Eupropolis De Not. (1863) Janseella Henn. (1899) Thelotrema sect. Asteristion (Leight.) Tat.Matsumoto (2000)

Species

As of March 2023^[update], Species Fungorum (in the Catalogue of Life) accepts 20 species of Phaeotrema.^[2]

• 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)^[4]
• Phaeotrema subfarinosum (Fée) Müll.Arg. (1887)
• Phaeotrema subinalbescens (Nyl.) Zahlbr. (1923)
• Phaeotrema uber Hue (1916)