Calohypnum is a genus of mosses variably placed in Hypnaceae and Pylaisiaceae. It includes seven accepted species.
In 2019, Calohypnum sakurai was designated as the taxon's lectotype.
Subordinate Taxa As reported by Tropicos: Calohypnum amabile Calohypnum macrogynum Calohypnum oldhamii Calohypnum plumiforme Calohypnum sakuraii Calohypnum sikkimense Calohypnum singapurense
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