These books were used as reference for this website and are a valuable resource for students of the genus.
Across the Top: Gardening with Australian plants in the tropics by Keith Townsend. Society for Growing Australian Plants, Townsville Branch Inc., 1994.
Cycads of the World by David L. Jones. Reed New Holland, Sydney, 2002.
The Cycads by Loran M. Whitelock. Timber Press, Portland, Oregon, 2002.
Tropical and Subtropical Gardening by Harry Oakman. Jacaranda Press, Milton, Queensland, 1975.
The Cycad Pages
: A comprehensive website covering all cycads, including the Australian species, is maintained by
Ken Hill for the Royal Sydney Botanic Garden.