Family: Casuarinaceae (sheoaks, Horsetail tree)
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Charophyta > Streptophytina > Plantae (land plants)
> Tracheophyta (vascular plants) > Euphyllophyta > Lignophyta (woody plants)
> Spermatophyta (seed plants) > Angiospermae (flowering
plants) > Eudicotyledons > Core Eudicots > Rosids >
Eurosid I > Order: Fagales
Four genera and 70 species, native to Malaysia,
Australia and Polynesia with the distribution of the coastal species Casuarina
equisetifolia extending to Madagascar and the east coast of tropical
Africa. One genus and two species are naturalised in southern Africa and an
additional genus and eight species are cultivated in the region.
Genera naturalised in southern Africa
of Southern Africa - an Online Checklist (SANBI).
Other genera, cultivated in southern Africa
List from Glen (2002).
Sixty species (endemic to Australia) of which five are cultivated in