 |
| |||
| Erica L.; Erica arborea L. | |||
| Empetrum nigrum; Tamarix gallica; Juniperus phoenicea; Juniperus sabina | |||
| Ericaceae; Hudsonia ericoides | |||
| heath: 75 phrases in 8 subjects |
| Agriculture | 2 |
| Biology | 15 |
| Botany | 33 |
| Entomology | 6 |
| Life sciences | 3 |
| Natural resourses and wildlife conservation | 11 |
| Natural sciences | 1 |
| Ornithology | 4 |