cardamine rotundifolia(n = noun.plant) american watercress, mountain watercress - mat-forming perennial found in cold springs of the eastern United States; Array
is a kind of watercress

campanula rotundifolia, cardamine, cardamine bulbifera, cardamine bulbosa, cardamine diphylla, cardamine douglasii, cardamine pratensis, genus cardamine, mentha rotundifolia, pellaea rotundifolia, pyrola rotundifolia, pyrola rotundifolia americana, salvinia rotundifolia, smilax rotundifolia, vitis rotundifolia