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Wakefield, W.S.; Powell, M.J.; Letcher, P.M.; Barr, DJ.S.; Churchill, P.F. (2010). "A molecular phylogenetic evaluation of the Spizellomycetales". Mycologia. 102 (Pt 3): 596–604. doi:10.3852/09-120. PMID20524592. S2CID23714519.
Simmons, D.R. (2011). "Phylogeny of Powellomycetaceae fam. nov. and description of Geranomyces variabilis gen et comb nov". Mycologia. 103 (Pt 6): 1411–1420. doi:10.3852/11-039. PMID21558503. S2CID42641493.
Wakefield, W.S.; Powell, M.J.; Letcher, P.M.; Barr, DJ.S.; Churchill, P.F. (2010). "A molecular phylogenetic evaluation of the Spizellomycetales". Mycologia. 102 (Pt 3): 596–604. doi:10.3852/09-120. PMID20524592. S2CID23714519.
Simmons, D.R. (2011). "Phylogeny of Powellomycetaceae fam. nov. and description of Geranomyces variabilis gen et comb nov". Mycologia. 103 (Pt 6): 1411–1420. doi:10.3852/11-039. PMID21558503. S2CID42641493.