Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Malvids: Brassicales
Synthesis of the North American Flora (Kartesz, 1999)
Gray's Manual of Botany (Fernald, 1950)
Nasturtium officinale var. microphyllum
Narrow-fruited Watercress, Onerow Yellowcress
No pictures are available at this time.