CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to the forms submit new counts, or report erroneous counts.
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 |