This name is a synonym of Ranunculus hydrocharis f. trichophyllus (Chaix) Hiern.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50321178) with original publication details: Cybcle. Hibernica 5 1866.
⥇ A cross-taxon basionym link was ignored while processing this record,
see Ranunculus trichophyllus Chaix ex Vill..
This name was in version 1 of The Plant List, record tro-50321178.