Reference citation: Stace, C.. 1997. New Flora of the British Isles (Ed 2). Cambridge University Press. Second edition
Source citation: Food Webs and Species Interactions in the Biodiversity of UK and Ireland (Online). 2017. Data provided by Malcolm Storey. Also available from http://bioinfo.org.uk.
Reference citation: Clapham, A.R., Tutin, T.G. & Moore, D.M.. 1985. Flora of the British Isles. Cambridge University Press. 3
Source citation: Food Webs and Species Interactions in the Biodiversity of UK and Ireland (Online). 2017. Data provided by Malcolm Storey. Also available from http://bioinfo.org.uk.