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.

Coeloglossum viride - Frog Orchid

Formerly known as Coeloglossum viride (L.) Hartm (BSBI Abstracts, part 28). The construction of the Colliford Reservoir drowned a large area of quality wildlife habitat, but also had the effect of causing the sudden appearance of large numbers of Frog Orchid. The rising water-table may have triggered the mass germination of this orchid in a relatively small tongue of land alongside the reservoir (SX17R, 1986, R.M.Belringer).


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