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With the largest number of indigenous citrus species of any country in the world, Australia’s six species are an important source of genetic diversity in the development of food crops. Standard seed banking practices are not effective for many species from rainforest or tropical origins and alternative technologies are needed to conserve this diversity. Research by Griffith University resulted in a better understanding of the seed storage and germination requirements of Australian wild limes. This work has helped to secure these species for their conservation and economic value.