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CCDB → Angiosperms → Brassicaceae → Polypsecadium
| Taxon name | Status | Median (n) |
| Sisymbrium gilliesii Romanczuk | Synonym of Polypsecadium gilliesii (Romanczuk) Al-Shehbaz | 13 |
| Sisymbrium litorale Phil. | Synonym of Polypsecadium litorale (Phil.) Al-Shehbaz | 13 |
| Sisymbrium magellanicum (Juss.) Hook. | Synonym of Polypsecadium magellanicum (Juss.) Al-Shehbaz | 9 |