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.

Heracleum mantegazzianum - Giant Hogweed

Giant Hogweed is now frequent in places on the banks of the Tamar. Elsewhere it is of sporadic occurrence. One such plant appeared in a garden at Penhallow (SW75Q, 1992, C.N.French) in West Cornwall, many miles from any other population. It is not known how it could have arrived. Other sites include Tideford (SX35P, 1996, M.Atkinson), Luckett (SX37W, 1991, R.M.Belringer), near Greystone Bridge (SX38Q, 1991, M.Atkinson), Lewcombe (SX38R, 1998, D.L.Brookman), Ferry Farm, Harewood (SX46P, 1998, M.Atkinson), Latchley (SX47B, 1988, M.Atkinson), and by the canal at Gunnislake Weir (SX47F, 1997, R.Fitzgerald).

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.