| Name | Sisymbrium tucumanense var. rigidiocarpum Romanczuk |
| Authorship | Romanczuk |
| Rank | Variety |
| Placed in | Sisymbrium tucumanense (O. E. Schulz) Romanczuk |
| Citation | 1982 Darwiniana 24: 120, 122 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Sisymbrium tucumanense var. rigidiocarpum Romanczuk |
| Identification made in | [no date] (1), 2010 (1) |