Cardamine debilis Banks ex D. Don Cardamine debilis Banks ex D. Don, Syst. Nat. 2: 265. 1821 sec. Rollins 1993=Cardamine flexuosa subsp. debilis O.E. Schulz in Bot. Jahrb. Syst. 32(4): 478. 1903 syn. sec. Rollins 1993