Vizzini A, Consiglio G, Marchetti M (2020). "Insights into the Tricholomatineae (Agaricales, Agaricomycetes): a new arrangement of Biannulariaceae and Callistosporium, Callistosporiaceae fam. nov., Xerophorus stat. nov., and Pleurocollybia incorporated into Callistosporium". Fungal Diversity. 101: 211–259. doi:10.1007/s13225-020-00441-x. S2CID211729095.
Vizzini A, Consiglio G, Marchetti M (2020). "Insights into the Tricholomatineae (Agaricales, Agaricomycetes): a new arrangement of Biannulariaceae and Callistosporium, Callistosporiaceae fam. nov., Xerophorus stat. nov., and Pleurocollybia incorporated into Callistosporium". Fungal Diversity. 101: 211–259. doi:10.1007/s13225-020-00441-x. S2CID211729095.