Riccia beyrichiana (Purple Crystalwort) growing on the margins of an old reservoir in the Brecon Beacons. A relatively large Riccia, easily recognised in this case by the swollen margins to the thallus.
View more
This little liverwort is easy to recognise once you've been introduced to it. The inflated leaf lobes with a long beak (giving it its common name of 'Fingered Cowlwort') are unique amongst British liverworts. The only problem is spotting it in the first place, as it's so tiny! The trick is to find suitable habitat, then get your hand lens out and search for it. This specimen was growing on the trunk of a willow near water in the Brecon Beacons, just the kind of damp habitat it likes.
View more