RM2G2AMXA–Dresden, Germany. 09th June, 2021. Austrian marsh cress blooms on a meadow on the banks of the Elbe in front of the Old Town with the Frauenkirche (l-r), the Ständehaus, the Town Hall, the Hofkirche, the Georgentor, the Hausmannsturm and the Semperoper. Credit: Robert Michael/dpa-Zentralbild/ZB/dpa/Alamy Live News
RMREFJEE–. Common weeds of the Canadian Prairies;. Weeds. Rorippa austriaca (Crantz) Besser AUSTRIAN CRESS A perennial H to 3 feet high, with running roots and smooth stem. Leaves alternate, almost entire or merely toothed but not dissected, the lower stalked, the upper stalkless. Flowers in racemes, small, yellow. Seeds small, almost round, i inch long, on stalks i to i inch long. Introduced, rare, in grain fields. Rorippa islandica (Oeder) Borbas. MARSH YELLOW CRESS A native branching annual or biennial 1 to 4 feet high. Leaves deeply dissected, lower ones stalked, 3 to 7 inches long, the upper less