| title | ISBN-13 | year of publication | |
|---|---|---|---|
| Gräser. Beschreibung, Verbreitung, Verwendung. . Mit 163 Abb. | 978-3-8001-2430-5 | 1973 | |
| Grasses | 978-0-14-020295-3 | 1974 | |
| Grasses: A Guide to Their Structure, Identification, Uses And Distribution in the British Isles | 978-0-14-022279-1 | 1984 | |
| Grasses: A Guide to Their Structure, Identification, Uses and Distribution. : v. 1 | 978-0-14-013227-4 | 1992 |
C.E. Hubbard · C.H. · Charles E. · Charles E. Hubbard · Charles H. · E.H. · E. Hubbard · Edward H. · Edward Hubbard