Chionosphaera apobasidialis 52639 v1.0
Maximum likelihood tree showing phylogenetic position of Chionosphaera apobasidialis (Chiap1)
Maximum likelihood tree showing phylogenetic position of Chionosphaera apobasidialis (Chiap1)

Chionosphaera apobasidialis is a lichenicolous fungus (it parasitises lichens).  It belongs to the subphylum Pucciniomycotina. Phylogenetic results place Chionosphaera in the Agaricostilbomycetidae. Chionosphaera apobasidialis was sequenced as part of the 1000 Fungal Genomes Project.

References

Cox, DE A new homobasidiomycete with anomalous basidia. Mycologia 1976, 68(3):481-510

McLaughlin DJ, Hanson RW Jr, Frieders EM, Swann EC, Szabo LJ. Mitosis in the yeast phase of the basidiomycetes Bensingtonia yuccicola and Stilbum vulgare and its phylogenetic implications. Am J Bot. 2004, 91(6):808-15