Muelleria 25: 2-58 (2007) 2 A taxonomic treatment of tribe Anthemideae (Asteraceae) in Australia Ian R. Thompson School of Botany, The University of Melbourne, Victoria 300, Australia. Email:
[email protected] Abstract A concise taxonomic treatment of tribe Anthemideae (Asteraceae) in Australia is presented, with descriptions of all 43 species in the 9 genera in Australia. Keys to genera and species are presented. The South African species Pentzia globosa Less. is recognised for the first time as naturalised in Australia. Introduction Tribe Anthemideae is a large tribe of 74 species in the Asteraceae (Bremer & Humphries 993). It is widely distributed in Eurasia and Africa and to a lesser extent in North America. Australia, however, is rather poorly represented in terms of native species. Nineteen genera in the Anthemideae are represented in Australia, with 7 of these entirely of introduced species. Cotula is represented by both native and introduced species, and Leptinella is represented by only native species. No genera are endemic. Genera in Australia come from a broad range of subtribes. There are single generic representatives from eight of the 2 subtribes recognised in Bremer & Humphries (993). Conversely, seven genera are from subtribe Matricariinae. All species occurring in Australia have their entire or major part of their Australian distribution in temperate latitudes. Many species in tribe Anthemideae have become naturalised in Australia through escape from gardens, and most of these species are only found close to human habitation. They can be considered to be weakly naturalised. Five genera, Centipeda, Ceratogyne, Dimorphocoma, Elachanthus and Isoetopsis, that until recently had been included in tribe Anthemideae, are now been placed elsewhere and are not described here.