Riccia boumanii Dirkse, Losada & M.Stech sp. nov . (Ricciaceae, Marchantiophyta) in the Canary Islands, the first species of Riccia subgenus Riccia section Pilifer Volk outside South Africa. - Dirkse, Gerard M.; Losada-Lima, Ana; Stech, Michael (Journal of Bryology, 2016)