oenanthe aquatica

Oenanthe aquatica, known in English as fineleaf water dropwort or fine-leaved water dropwort is an aquatic flowering plant in the family Apiaceae.

Oenanthe aquatica is a tuberous perennial herb. It has an erect posture, fern-like finely-dissected leaves and small white composite umbels of flowers. All parts of the plant are poisonous. Plants are hermaphrodite and self-fertile.

It is native to Europe, found in wetlands, in still or slow-moving water, from Sweden in the north to Sicily in the south ...