Hypnum

• (n.) The largest genus of true mosses; feather moss.
Found on http://thinkexist.com/dictionary/meaning/hypnum/

Hypnum

Hyp'num noun [ New Latin , from Greek ... moss.] (Botany) The largest genus of true mosses; feather moss.
Found on http://www.encyclo.co.uk/webster/H/82

Hypnum

Hypnum is one of the largest genera of mosses, including above ninety species, natives of Britain. Many of the species are very large and ornamental.
Found on http://www.probertencyclopaedia.com/browse/BH.HTM
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