Source : Webster's Revised Unabridged Dictionary (1913)

Jungermannia \Jun`ger*man"ni*a\, n.; pl. {Jungermanni[ae]}. [NL.
   Named after Ludwig Jungermann, a German botanist.] (Bot.)
   A genus of hepatic mosses, now much circumscribed, but
   formerly comprising most plants of the order, which is
   sometimes therefore called {Jungermanniace[ae]}.

Source : WordNet®

Jungermanniaceae
     n : comprising the leafy members of the order Jungermanniales
         [syn: {family Jungermanniaceae}]