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.

Dryopteris affinis subsp. affinis

The distribution map for this morphotype of Dryopteris affinis is incomplete in that records are still being made in West Cornwall. Sufficient is known, however, to be able to state that it is the most common morphotype present and is often in abundance along roadside hedges where these are shaded, but can also occur where tree cover is sparse. It favours the wetter woodlands in the river valley systems and hedgebanks adjacent to roadside streams. It is frequent along the roadside verges from Stennack to Carwynnen (SW63N), in the Kennall Vale woods (SW73N), in Keveral Wood (SX25X), and along the steep roadside hedgebanks around Merry Meeting (SX07W).


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