Cornish Biodiversity Network  -  Supporting Wildlife Recording

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Flora of Cornwall (1999)

The descriptive text, below the map, is from the Flora of Cornwall (1999), which was a Tetrad Atlas (the maps had 2km square dots or Tetrads). The map on this web page depicts the plant's distribution at the 1km square scale and shows the records made pre-2000 which were used in the 1999 Flora and those made since.

Lemna trisulca - Ivy-leaved Duckweed

Ivy-leaved Duckweed is very rare. Since 1980, it has been recorded from the stream in Church Cove, Gunwalloe (SW62Q, 1981, L.J.Margetts), Chy-an-hal Moor (SW42N, 1984, A.J.Byfield) and from the Penjerrick estate (SW73V, 1997, R.J.Murphy).

Click here to see Aphotoflora images by David Fenwick


French, C.N., Murphy, R.J. & Atkinson, M. 1999. Flora of Cornwall. Wheal Seton Press, Camborne.