Range & Status
syn. L. fennicum Renkonen. Only known in Britain from Tresco, Isles of Scilly, in 1967 and 1968, and more recently in East Sussex.
Found at Great Pool, Tresco (Mackechnie-Jarvis, 1969).
Habitat & Ecology
Occurs at the margins of ponds.
Changing land management practices, affecting drainage regimes; possibly changing arrangements for stock watering.
Protection of watersides from large scale changes in management.