Phascum

noun
Phas·​cum | \ ˈfaskəm\

Definition of Phascum

: a small genus of terrestrial cleistocarpous mosses having costate leaves covering subglobose or ovate-oblong capsules and included in the Tortulaceae or made type of a separate family

History and Etymology for Phascum

New Latin, from Greek phaskon tuft of moss

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