| volume | volume (sub)title | year(s) | indexed illustrations (© plantillustrations.org) | ID volume | contributor |
|---|---|---|---|---|---|
| vol. 9(1) | Rubiaceae | 1974 | indexed illustrations: 95 | 4045 | |
| vol. 9(2) | Rubiaceae | 1974 | indexed illustrations: 77 | 4046 | |
| vol. 9(3) | Rubiaceae | 1974 | indexed illustrations: 182 | 4047 |