Annulohypoxylon thouarsianum

Annulohypoxylon thouarsianum is a species of ascomycete fungus.^[1]

Annulohypoxylon thouarsianum
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Ascomycota
Class:	Sordariomycetes
Order:	Xylariales
Family:	Xylariaceae
Genus:	Annulohypoxylon
Species:	A. thouarsianum
Binomial name
Annulohypoxylon thouarsianum (Lév.) Y.M. Ju, J.D. Rogers & H.M. Hsieh
Synonyms
Hypoxylon africanum Van der Byl Hypoxylon thouarsianum var. gilletianum (Sacc.) J.H. Mill. Daldinia thouarsiana (Lév.) Sacc. Hypoxylon thouarsianum (Lév.) Lloyd Hypoxylon thouarsianum var. macrosporum F. San Martín, Y.M. Ju & J.D. Rogers Sphaeria thouarsiana Lév. Hypoxylon amaniense Henn. Hemisphaeria thouarsiana (Lév.) Kuntze Hypoxylon gilletianum Sacc. Daldinia malleola (Berk. & Ravenel) Kauffman Hypoxylon malleolus Berk. & Ravenel Annulohypoxylon thouarsianum var. macrosporum (F. San Martín, Y.M. Ju & J.D. Rogers) Y.M. Ju, J.D. Rogers & H.M. Hsieh Hypoxylon occidentale Ellis & Everh.

Description

The species grows on the bark of decaying hardwood trees. Its fruiting body is sessile, and ranges from 1 to 5 centimetres (1⁄2 to 2 in) wide.^[2] The surface of the fruiting body is dark brown or black and has a rough texture due to the high number of perithecia.^[3]

Similar species

Various other Annulohypoxylon species are similar, as is Daldinia childiae. Species of Jackrogersella, Rosellinia, and Nemania have fewer bumps.^[2]

Distribution

Annulohypoxylon thouarsianum is most commonly found along the United States' West Coast, in the Eastern U.S., and in Mexico.^[4]

Taxonomy

The species was moved from the genus Hypoxylon to Annulohypoxylon in 2005.^[5] The following varieties are recognized:^[4]

• A. t. macrosporum
• A. t. thouarsianum