MCHAFFIE H. Illustrations of the Alien Plants of the British Isles. E. J. Clement, D. P. J. Smith & I. R. Thirlwell. London: BSBI. 2005. viii + 466pp., many figs. ISBN 0 901158 32 1. £18.75 (paperback). Edinburgh J. Bot. 2006;62(1-2):103-104. doi:10.1017/S0960428606260062