Mare's-tail - Hippuris vulgaris
A stiff, erect plant with a creeping, far reaching rhizome. Leaves in close whorls of 6 to 12, linear lanceolate, pointed and untoothed. Flowers are tiny, greenish with reddish anthers, borne in the axils of the upper leaves.
In shallow water of lakes, ponds and canals plus various other wet places.
Flowers June and July.
Widespread and fairly frequent in Britain, though less so in the west.
Infrequent in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 10 of the 617 tetrads.
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015