| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Alfalfa and Relatives: Evolution and Classification of Medicago | Hardcover | 978-1-84593-750-8 | 2011 |
| Cannabis: A Complete Guide | " | 978-1-4987-6163-5 | 2016 |
| Cannabis: A Complete Guide | Digital | 978-1-4987-6164-2 | 2016 |
| North American Cornucopia: Top 100 Indigenous Food Plants | Hardcover | 978-1-4665-8592-8 | 2013 |
| The Species Problem in Cannabis: Science and Semantics | Paperback | 978-0-919217-10-2 | 1979 |
| The Species Problem in Cannabis: Science and Semantics: Volume 1: Science | 978-0-919217-11-9 | 1979 | |
| The Species Problem in Cannabis: Science and Semantics: Volume 2: Semantics | 978-0-919217-12-6 | 1979 | |
| Top 100 Exotic Food Plants | Hardcover | 978-1-4398-5686-4 | 2011 |
CABI Publishing · CRC Press · Canadian Government Publishing