Curly Waterweed - Lagarosiphon major

Alternative names
Curly Water-thyme
Description

Submerged aquatic plant with elongated stems forming entangled masses. Leaves linear, alternate, spreading and recurved, crowded towards the shoot tips, minutely toothed. Flowers pinkish, 3 to 4 mm.

Identification difficulty
Habitat

Lakes and canals.

When to see it

Flowers July and August.

Life History

Aquatic.

UK Status

Widespread in the southern half of Britain.

VC55 Status

First recorded in Leicestershire and Rutland in 1999 and now spreading. It was not recorded in the 1979 Flora survey of Leicestershire.

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map

Species profile

Common names
Curly Waterweed
Species group:
Wildflowers
Kingdom:
Plantae
Order:
Alismatales
Family:
Hydrocharitaceae
Records on NatureSpot:
15
First record:
22/08/2007 (Dave Wood)
Last record:
24/05/2022 (Mabbett, Craig)

Total records by month

% of records within its species group

10km squares with records

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