Calepina

Calepina

Calepina Adans.
Engl.: ballmustard.

Calepina irregularis

Calepina irregularis (Asso) Thell.
Engl.: white ballmustard.
Bot. syn.: Myagrum irregulare Asso.

I have no articles for this botanical term, but there might be some for the next level down (if found).