| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| 919712852X- Flora of Ethiopia & Eritrea Volume 2, Part 1 - Magnoliaceae to Flacourtiaceae | 978-91-971285-2-0 (91-971285-2-X) | 2000 | Sue Edwards · Sebsebe Demissew · Inga Hedberg |
| Genus Bidens in N.E.Tropical Africa | 978-91-554-1610-2 (91-554-1610-1) | 1985 | |