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.

Arabis hirsuta - Hairy Rock-cress

Hairy Rock-cress is restricted to calcareous habitats and is therefore almost totally confined to the shell-rich, north-coast sand dunes of Cornwall. Recent records include Phillack Towans (SW53U, 1983, R.J.Murphy), Gwithian Common (SW54V, 1996, C.N.French), Godrevy Towans (SW54V, 1994, D.T.Holyoak), Reen Sands near Perranporth (SW75S, 1984, R.J.Murphy), Mount Field near Penhale Sands (SW75Y, 1998, M.Tempest), Rushy Green near Crantock (SW76V, 1992, H.M.Meredith), Porthcothan valley (SW87Q, 1980), Brea Hill by Rock Dunes (SW97I, 1993, M.Atkinson) and Watch House Field, Rame peninsula (SX44J, 1996, A.Barton). There is an old record for sand-affected grassland inland of Sennen Cove (SW32S, 1970, B.M.Sturdy) but none from the large expanse of Penhale Sands within MOD jurisdiction (SW75T and SW75U, fide L.J.Margetts).

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.