Food Safety of Three Species of Native Mint - Macroscopic & microscopic features, oil components, and the effects of human ingestion of three species of Prostanthera. - http://www.rirdc.gov.au/reports/NPP/00-38.pdf
Prostanthera rotundifolia - A description, propagation method, and photo of this Australian specie. - http://farrer.riv.csu.edu.au/ASGAP/p-rotun1.html