| Family | Compositae |
| Synonyms | C. ambigua, C. linifolia, E. bonariensis, E. crispus, E. linifolium |
| Local name | Hashish El-Gabal |
| Habitat in Egypt | cultivated and waste ground, roadsides |
| Distribution | native to South America, naturalized in many regions of the Old World, especially the Mediterranean region and western Europe |