| Lamiaceae | |
Sideritis arborescens var. africana
| Font Quer & Pau | Exsicc. (Iter Marocc.) 532 | 1927 |
| Lamiaceae | |
Sideritis arborescens subsp. antiatlantica
| (Maire) Romo | Bot. J. Linn. Soc. 108: 211 | 1992 |
| Lamiaceae | |
Sideritis arborescens var. antiatlantica
| (Maire) Dobignard | Saussurea 19: 108 | 1988 [1989] |
| Lamiaceae | |
Sideritis arborescens subsp. kebdanensis
| Font Quer & Sennen | Diagn. Nouv. 252 | 1936 |
| Lamiaceae | |
Sideritis arborescens var. lazari
| Font Quer & Sennen | Diagn. Nouv. 162 | 1936 |
| Lamiaceae | |
Sideritis arborescens subsp. lusitanica
| (Font Quer) Rivas Mart., T.E. Díaz & Fern. Gonz. | Itinera Geobot. 3: 138 | 1990 |
| Lamiaceae | |
Sideritis arborescens subsp. luteola
| (Font Quer) P.W. Ball ex Heywood | Bot. J. Linn. Soc. 65: 355 | 1972 |
| Lamiaceae | |
Sideritis arborescens subsp. maireana
| (Font Quer & Pau) Socorro & Arreb. | Lagascalia 17: 357 | 1994 |
| Lamiaceae | |
Sideritis arborescens subsp. ortonedae
| (Font Quer & Pau) Socorro & Arreb. | Lagascalia 17: 357 | 1994 |
| Lamiaceae | |
Sideritis arborescens var. ortonedae
| Font Quer & Pau | Cavanillesia 3: 60 | 1930 |
| Lamiaceae | |
Sideritis arborescens subsp. paulii
| (Pau) P.W. Ball ex Heywood | Bot. J. Linn. Soc. 65: 355 | 1972 |
| Lamiaceae | |
Sideritis arborescens subsp. perezlarae
| Borja | Anales Jard. Bot. Madrid 40: 278 | 1983 |