Are included from the following reference book:
A Guide to Native Orchids of South Western Australia (2nd edition)
Author: W.R. (Bob) Liddelow
ISBN 9780958753258
Spider Orchids EBook 2018
Author: Gary Backhouse
ISBN: 9780994648914
Field Guide to the Orchids of Western Australia
Authors: Andrew Brown, Kingsley Dixon, Christopher French & Garry Brockman
ISBN: 9780980348149