References
de Lange P, Rolfe J, St George I, Sawyer J 2007. Wild Orchids of the Lower North Island: Field guide 2007. Published by the Department of Conservation, Wellington Conservancy, New Zealand.
Moore L, Edgar, E 1970. Flora of New Zealand. Volume II. Indigenous Tracheophyta, Monocotyledones except Gramineae. Wellington, Government Printer.
Rolfe J, de Lange P 2010. Illustrated guide to New Zealand sun orchids, Thelymitra (Orchidaceae). Published by Jeremy Rolfe, Lower Hutt, New Zealand.
Scanlen EA, St George IM 2011. Colour field guide to the native orchids of New Zealand. 3rd edition. Published by the NZ Native Orchid Group, Wellington, New Zealand.