- genus Sisymbrium - genus of Old World annual or biennial or perennial herbs with racemose flowers; many are considered to be weeds
--1 is a kind of dilleniid dicot genus
--1 is a member of
--1 has members: hedge mustard, Sisymbrium officinaleCruciferae, family Cruciferae, Brassicaceae, family Brassicaceae, mustard family