The Cycad Pages Cycads in Central Australia A single isolated species of Macrozamia (Zamiaceae) occurs in central Australia, on steep slopes in sheltered canyons. This occurrence is a relic of times when more hospitable climates prevailed in the region. Macrozamia macdonnellii Australia (NT) The Cycad Pages The World List References and Links Home © 1998-2004 Royal Botanic Gardens Sydney Written and maintained by Ken Hill