Narrow-fruited Water-cress - Nasturtium microphyllum

The 4-petalled white flowers are larger than those of N. officinale and this species has longer (16 to 24 mm), upward curved, narrow seed pods on long stalks.

Nasturtium officinale and Apium nodiflorum (Fool's Watercress)

Fool's watercress is an umbellifer.

Leaves, pinnate, hairless.  Seeds mostly in 1 row under each valve

The County Recorder has asked for a specimen of this plant to be retained for verification

River and canal banks, pond margins and wet ditches.

May to October.

Perennial

Widespread in Britain, and in the north it is more common the N. officinale.

Fairly frequent in Leicestershire and Rutland where it is the more common of the two Water-cress species. In the 1979 Flora survey of Leicestershire it was found in 180 of the 617 tetrads.

In the current Checklist (Jeeves, 2011) it is listed as Native, frequent