| Euphorbiaceae | |
Euphorbia barrelieri subsp. barrelieri
| | | |
| Euphorbiaceae | |
Euphorbia barrelieri subsp. carnica
| (Boiss.) Kuzmanov | Izv. Bot. Inst. (Sofia) 12: 120 | 1963 |
| Euphorbiaceae | |
Euphorbia barrelieri var. carnica
| (Boiss.) Fiori | | |
| Euphorbiaceae | |
Euphorbia barrelieri subsp. hercegovina
| (Beck) Kuzmanov | Izv. Bot. Inst. (Sofia) 12: 120 | 1963 |
| Euphorbiaceae | |
Euphorbia barrelieri subsp. thessala
| (Formánek) Bornm. | Bot. Jahrb. Syst. 61(140): 109 | 1928 |
| Euphorbiaceae | |
Euphorbia barrelieri var. thessala
| (Formánek) K. Malý | Verh. Zool.-Bot. Ges. Wien 54: 230 | 1904 |