Cardamine longii Fernald. Phen: Jun-Sep. Hab: Tidal freshwater marshes and cypress-gum swamps. Dist: Coastal in distribution, irregularly from ME south to NC (or FL).
ID notes:Difficult to distinguish from depauperate or submerged forms of C. pensylvanica with few leaflets; the short style (capsule beak) and short and thick pedicels appear to be the most reliable characteristics.
Origin/Endemic status: Native
Synonymy: = C, F, FNA7, K1, K3, K4, NE, Al-Shehbaz (1988a), Rollins (1993); = n/a – RAB