⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2417271, with some changes.
This name is a synonym of Rorippa × armoracioides (Tausch) Fuss.
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Rozpr. Wydz. Mat.-Przyr. Akad. Umiejetn., Dzial B, Nauki Biol. 12: 345 1912.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:288637-1.