This is a monotypic genus, containing the single species Cyanoannulus petersenii,[3] which was found growing on decorticated wood (having had the outer covering removed) in a stream in North Carolina.[4]
It was described and published by Raja, J. Campb. & Shearer in Mycotaxon vol.88 on page 11 in 2003.[3]
References
^ abLumbsch TH, Huhndorf SM (December 2007). "Outline of Ascomycota – 2007". Myconet. 13. Chicago, USA: The Field Museum, Department of Botany: 1–58. Archived from the original on 2009-03-18.