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.

Ophioglossum lusitanicum - Least Adder's-tongue

Although there is an unconfirmed record from near Land's End (1840), Least Adder's-tongue is now found only on the Isles of Scilly. Here, this Red Data Book plant grows in short turf on shallow peaty soils at the southern end of St. Agnes, often by rock outcrops.


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