 The seeds of "djeeri" formed an important part of the human diet, the earliest record of this is the preparation of seed at a cave in Cape Le Grand national park dated at thirteen thousand years old.Investigation of the site revealed a "mordak", the instrument used to detoxify the sarcotesta that surrounds the seeds.This seeds were placed in a depression lined with leaf bases of the plant "paalaq", "Xanthorrhoea platyphylla", another crucial resource in the local culture.