| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Common weeds in New Zealand: An illustrated guide to their identification with a section on noxious plants | 978-0-477-01293-5 (0-477-01293-0) | 1985 |
| Common weeds in New Zealand: An illustrated guide to their identification with a section on noxious plants | 978-0-477-01125-9 (0-477-01125-X) | 1981 |