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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.

Cirsium arvense var. setosum

i> Cirsium arvense var. setosum is not mentioned in Stace (1997) or Clement & Foster (1994). There are a few pre-1930 records for this variety with weakly spiny leaves that are more or less glabrous beneath, but there are intermediates between it and the usual plant.


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