Ricciocarpus natans is a rather local and uncommon floating thallose liverwort of eutrophic standing water that appears to have declined in the last 100 years. This ethereal picture was taken by Des Callaghan https://commons.wikimedia.org/wiki/File:Ricciocarpus_natans.jpg using material collected from Scargh Bog, adjacent to Lough Owel, by Neil Lockhart.
Published: 1 January 2015
