Atlas of North European vascular plants
Hultén & Fries 1986
939 Arabis gerardii Bess. ex Koch
Syn.: A. planisiliqua (Pers.) Rchb.
This mainly European species is sometimes regarded as a subspecies of A. hirsuta (L.) Scop. (see no. 940). It may be introduced at some of the outlying localities. On the whole the distribution is incompletely known.