Riccia rhenana var. violacea M.F.Boiko,

Chornom. Bot. J. 7: 93, 2011 (see Bojko 2011).

TYPE: “ Ukraine. Dniproperovs’k region; Dniproperovs’k district, at village Obuchіvka, at take Solone, on soil in lit sites close to water, 3 August 1961, coll. N. V. Gajevaja (Herbarium of the University in Krivoy Rog – Holotype)”.

NOTE: This variety also creates the autonym.