Konrad Wothe / Slow motion clip of a male Banded demoiselle (Calopteryx splendens) on River water-crowfoot (Ranunculus fluitans), Bavaria, Germany, June.
01491618
Willem Kolvoort / Marsh marigold (Caltha palustris) with Mannagrass (Glyceria fluitans) and Common water crowfoot (Ranunculus aquatilis) along brook, North Holland. April.
01491617
Willem Kolvoort / Marsh marigold (Caltha palustris) with Mannagrass (Glyceria fluitans) and Common water crowfoot (Ranunculus aquatilis) along brook with seep inflow, North Holland. April.
01730724
Will Watson / River crowfoot (Ranunculus fluitans) in flower, River Lugg SSSI, Leominster, Herefordshire, England, UK. July.
01651014
Michel Roggo / River water-crowfoot (Ranunculus fluitans), with Hydra (Hydra sp), attached. River Aare, Berne, Switzerland, October. Photographed for The Freshwater Project.
01637880
Michel Roggo / River water-crowfoot (Ranunculus fluitans), with Hydra (Hydra sp), attached, the Aare river. Brügg, Canton of Berne, Switzerland.October. Photographed for The Freshwater Project.