| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| South African Wild Flower Guide: Transvaal Lowveld and Escarpment i/c Kruger National Park No. 4 | 978-0-620-07749-1 (0-620-07749-2) | 1998 |
| Wild flower guide: Mpumalanga & Northern Province | 978-0-620-20523-8 (0-620-20523-7) | 1996 |