Reference citation: Bateman, R.M. & Sexton, R.. 2008. Is spur length of Platanthera species in the British Isles adaptively optimized or an evolutionary red herring?. Watsonia. Vol Vol 27, part 1. pp 1-21
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.
