Classic texts: King's 1898.
Menyanthes trifoliata
Menyanthes trifoliata L.
Engl.: bogbean, buckbean, bean trefoil, bitterworm, bog hop, marsh clover, marsh trefoil, moonflower, water shamrock, water trefoil.
Deu.: Bitterklee, Fieberklee, Bachgräsli, Biberklee, Dreiblatt, Fröschekohl, Gallkraut, Magenklee, Moosklee, Wasserfieberkraut, Zottenblume.
Suom.: raate.
Sven.: vattenklöver, bläcken.
Ital.: trifoglio fibrino.
Pharm.: folia trifolii fibrini.
Menyanthes. Buckbean, Marsh Trefoil, Water Shamrock. Menyanthes trifoliata.
Classic texts: USDisp 1918.
Bitters.
Henriette's herbal blog: So this Italian site divides them into five...