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.

Caltha palustris subsp. polypetala - Giant Kingcup

Giant Kingcup is not included in Stace (1997). Clement & Foster (1994) consider that perhaps it should be thought of as var. polypetala (Hochst. ex Lorent) Huth. There are records for it as an established garden escape near Chypons (SW62V, L.J.Margetts) on the Lizard and as a persistent introduction to Marazion Marsh (SW53A), where it was discovered in 1934 and was still present in 1950.


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