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.

Erysimum cheiranthoides - Treacle Mustard

Treacle Mustard is a long standing introduction which is mostly seen growing in fields. It has also been recorded as a garden weed, on waste ground and in a few disused quarries. The most recent records are from a field near Loe Bar (SW62M, 1982, K.L.Spurgin), a garden in Barripper (SW63J, 1980s, K.E.Higgs), at Botusfleming (SX46A, 1982, E.Griffiths) and in an arable field at Erth Barton (SX35Y, 1996, M.Atkinson).

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.