| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Flora of Southern Africa Series, Vol. 4 | 978-0-621-08271-5 (0-621-08271-6) | |||
| The Families of the Monocotyledons. Structure, Evolution, and Taxonomy | 978-3-540-13655-2 (3-540-13655-X) | 1985 | R. M. T. Dahlgren · H. T. Clifford · P. F. Yeo · N. Jacobsen · K. Jakobsen | |