''Annulohypoxylon thouarsianum'' is a
species of
ascomycete
Ascomycota is a phylum of the kingdom Fungi that, together with the Basidiomycota, forms the subkingdom Dikarya. Its members are commonly known as the sac fungi or ascomycetes. It is the largest phylum of Fungi, with over 64,000 species. The defi ...
fungus.
Description
The species grows on the bark of decaying
hardwood
Hardwood is wood from dicot trees. These are usually found in broad-leaved temperate and tropical forests. In temperate and boreal latitudes they are mostly deciduous, but in tropics and subtropics mostly evergreen. Hardwood (which comes from ...
trees. Its fruiting body is
sessile, and ranges from wide.
The surface of the fruiting body is dark brown or black and has a rough texture due to the high number of
perithecia.
Similar species
Various other ''
Annulohypoxylon
''Annulohypoxylon'', sometimes called cramp balls, is a genus of fungi in the family Xylariaceae. The 27 species in the genus have a collectively widespread distribution.
The genus ''Annulohypoxylon'' was created in 2005 and contains species for ...
'' species are similar, as is ''
Daldinia childiae
''Daldinia'' is a genus of fungi in the family Hypoxylaceae.
The genus name of ''Daldinia'' is in honour of Agostino Daldini (1817-1895), a Swiss clergyman and botanist, a Capuchin monk from Locarno.
The genus was circumscribed by Vincenzo de ...
''. Species of ''
Jackrogersella'', ''
Rosellinia
''Rosellinia'' is a genus of fungi in the family Xylariaceae consisting of over 90 species. Several of the species in this genus are plant pathogens. Fossils of ''Rosellinia'' have been found in 12 million year old rocks from central England.
The ...
'', and ''
Nemania'' have fewer bumps.
Distribution
''Annulohypoxylon thouarsianum'' is most commonly found along the United States' West Coast, in the Eastern U.S., and in Mexico.
Taxonomy
The species was moved from the genus ''
Hypoxylon'' to ''Annulohypoxylon'' in 2005.
The following varieties are recognized:
* ''A. t. macrosporum''
* ''A. t. thouarsianum''
References
Xylariales
Fungi of North America
Taxa named by Joseph-Henri Léveillé
Fungus species
{{Xylariales-stub