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.

Petasites japonicus - Giant Butterbur

Giant Butterbur is a well established alien on a few road verges and river banks, where it tends to shade out other species. It can be seen growing near Bowl Rock (SW53I, 1998, C.N.French) on the road between Lelant and Halsetown, and at Watergate Bay on the banks of the stream (SW86M, 1993, H.M.Meredith), Penhale, Feock (SW83J, 1980s, D.Wingfield), Lower Woon, near Lanivet (SX06G, 1991, R.J.Murphy) and near Inny Mere (SX37T, 1988, S.C.Madge). It is no longer present at Nancemerrin (SW62S, 1981, 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.