Verbatim text: Bateman, R. M. and I. Denholm. 1983. A reappraisal of the British and Irish dactylorchids: 1. The tetraploid marsh orchids. Watsonia 14: 347–376.
Author: Bateman, R.M., Denholm, I.
Year: 1983
Title: A reappraisal of the British and Irish dactylorchids: 1. The tetraploid marsh orchids
Journal: Watsonia
Volume: 14
Pages: 347–376