Alonso M, Jiménez, JA and Cano, MJ. 2019. Taxonomic Revision of Chionoloma (Pottiaceae, Bryophyta), Annals of the Missouri Botanical Garden 104(4): 563-632
Access the download from ResearchGateBlockeel, T. 2013. A preliminary review of the genus Oxystegus in Britain and Ireland. Field Bryology 110: 5-11
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