Distribution and habitat
The species often occurs in large colonies in moist, protected forest environments and is native to the Australian states of South Australia, Tasmania, Victoria, New South Wales and Queensland as well as the Australian Capital Territory. It is thought to be extinct in New Zealand.
- New South Wales Flora Online: Pterostylis nutans by Jones, D.L., Royal Botanic Gardens & Domain Trust, Sydney, Australia.
- Jones, D. & Jones, B. (2000). Native Orchids of Southern Australia. Australia: Bloomings Books. ISBN 1-876473-24-X.
- New Zealand Botanical Society Threatened and Local Plant Lists (1995 Revision) in "New Zealand Botanical Society Newsletter No 30". New Zealand Botanical Society. March 1995. http://www.nzbotanicalsociety.org.nz/newsletter/NZBotSoc-1995-39.pdf. Retrieved 15 May 2011.