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 formerly placed in the closely related genus Hypoxylon. Fossils of Annulohypoxylon have been found in 12 million year old rocks from central England.

Use in the cultivation of ''Tremella fuciformis''

Species in the genus Annulohypoxylon, especially Annulohypoxylon archeri, are commonly used in the cultivation of Tremella fuciformis, one of the foremost medicinal and culinary fungi of China and Taiwan.
Tremella fuciformis is a parasitic yeast that does not form an edible fruit body without parasitizing another fungus. The species Annulohypoxylon archeri is its preferred host, so cultivators usually pair cultures of Tremella fuciformis with this species, or others in the former genus Hypoxylon.

Species

, Species Fungorum accept 70 species of Annulohypoxylon:Annulohypoxylon albidiscum Annulohypoxylon annulatum Annulohypoxylon apiahynum Annulohypoxylon archeri Annulohypoxylon areolatum Annulohypoxylon atroroseum Annulohypoxylon bahnphadengense Annulohypoxylon bawanglingense Annulohypoxylon bogoriense Annulohypoxylon bovei Annulohypoxylon caravellense Annulohypoxylon chiangmaiense Annulohypoxylon crowfoothodgkiniae Annulohypoxylon derelictum Annulohypoxylon diaoluoshanense Annulohypoxylon dipterocarpi Annulohypoxylon discophorum Annulohypoxylon duckei Annulohypoxylon elevatidiscum Annulohypoxylon fulvum Annulohypoxylon guangxiense Annulohypoxylon hemicarpum Annulohypoxylon hians Annulohypoxylon kwolekiae Annulohypoxylon lancangensis Annulohypoxylon leucadendri Annulohypoxylon macrodiscum Annulohypoxylon macrosporum Annulohypoxylon maesaeense Annulohypoxylon maeteangense Annulohypoxylon massivum Annulohypoxylon michelianum Annulohypoxylon microbovei Annulohypoxylon microcarpum Annulohypoxylon microdiscum Annulohypoxylon moniliforme Annulohypoxylon moriforme Annulohypoxylon morisuspectum Annulohypoxylon multiforme Annulohypoxylon neglectum Annulohypoxylon nitens Annulohypoxylon nouraguense Annulohypoxylon orientale Annulohypoxylon palmicola Annulohypoxylon paratruncatum Annulohypoxylon parvodiscum Annulohypoxylon planodiscum Annulohypoxylon pouceanum Annulohypoxylon pseudonitens Annulohypoxylon pseudostipitatum Annulohypoxylon purpureonitens Annulohypoxylon purpureopigmentum Annulohypoxylon pyriforme Annulohypoxylon ramulorum Annulohypoxylon sichuanense Annulohypoxylon sordidum Annulohypoxylon splendens Annulohypoxylon spougei Annulohypoxylon squamulosum Annulohypoxylon stygium Annulohypoxylon subeffusum Annulohypoxylon subnitens Annulohypoxylon substygium Annulohypoxylon thailandicum Annulohypoxylon thouarsianum Annulohypoxylon truncatum Annulohypoxylon urceolatum Annulohypoxylon violaceopigmentum Annulohypoxylon viridistratum