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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.

Hymenophyllum tunbrigense - Tunbridge Filmy-fern

Tunbridge Filmy-fern grows on dripping rock faces and crevices in shade, sometimes forming luxuriant growth, as on the granite boulders by Golitha Falls (SX26J, 1986, G.E.Castle). It is a feature of many of the tors on Bodmin Moor, such as The Cheesewring (SX27L, 1980, B.Boothby), but there is some doubt as to the authenticity of the records from the tors of West Penwith. Rarely it may be found growing as an epiphyte on trees in situations where humidity is high, as in Kennall Vale (SW73N, 1980s, K.L.Spurgin), below Penisker Farm, near St. Austell (SW95X, 1998, J.Humphries) and in the valley of the De Lank River (SX17C, 1995, A.Atkinson). Other sites include Luxulyan valley (SX05N, 1998, I.J.Bennallick), Cabilla Wood (SX16P, 1988, R.J.Murphy), De Lank Quarries (SX17C, 1988, M.Atkinson), Peter's Wood (SX19A, 1988, F.Rose), North Hill Wood (SX05T, 1987, S.M.Hocking), Rough Tor (SX18K, 1996, M.Atkinson) and Kilmar Tor (SX27M, 1999, I.J.Bennallick).

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.