Index Kewensis / [compiled at the expense of the late Charles Robert Darwin under the direction of Joseph D. Hooker] ; [by B. Daydon Jackson]. Supplement twenty one, Names of seed-bearing plants at the rank of family and below published between january 1996 and the end of 2000 with some omissions from earlier years / compiled by K. M. Challis, R. A. Davies ; edited by R. A. Davies at the Herbarium of the Royal botanic gardens, Kew

Royal botanic gardens