Checklist of dicotyledons, gymnosperms, and pteridophytes naturalised or casual in New Zealand: Additional records 1997-1998

Nine species are reported as additional or newly substantiated fully naturalised records for the flora of New Zealand during the 2-year period 1997-1998. Notable additions are the invasive Eupatorium cannabinum and Acacia sophorae, which are well established in the Wanganui area, and Myricaria germanica which is relatively common along parts of the Waimakariri River, Canterbury. Thirty-seven species, including two ferns, are considered to be new records of casual naturalised plants. Thirty-eight additional species that were previously known from few collections are given extended distributions.