Common Name: marsh yellowcress, common yellow-cressScientific Name: Rorippa palustris (L.) Bess.Family Name: Brassicaceae (Cruciferae) - Mustard FamilyIdentification NotesLife Cyclenative annual, winter annual, biennial and sometimes perennial, reproducing by seed Stemsupright, simple to several from base, branched above, smooth or somewhat hairy, ribbed Leavesalternate, oblong to oblanceolate in outline, pinnately lobed, lobes often to mid-vein with midvein appearing winged, lobes irregularly toothed, smooth to hairy, short petioles below and sessile above Flowers4-petaled, yellow or greenish yellow; terminal and axillary racemes, loose Seed Podssilique, sometimes nearly round to usually oval or oblong, strait or often curved, smooth