Volume 37 of the Flora of Australiais the first of three volumes covering the familyAsteraceae. This volume presents an introduction to the family in Australia, including a synoptic classification and keys, and treatments of all the tribes represented in Australia, with the exception of the large tribes Gnaphalieaeand Astereae, which will each be the subject of a future volume of the Flora. Nineteen tribes, 233 genera and 518 species are treated in this volume, of which the majority are introduced (only 47 genera include native species). Asteraceaeare the largest family of flowering plants, with over 1,600 genera and 24,000 species found on all continents except Antarctica, and also one of the largest families in Australia, with an estimated 290 genera and 1,430 species. The family is found throughout Australia, in all habitats, although scarce in rainforest. Twenty-seven authors, illustrators and photographers have contributed to this volume.