dracenaceae: one of two subfamilies to which some classification systems assign some members of the Agavaceae
liliid monocot family: family of monocotyledonous plants of the subclass Liliidae; mostly herbs usually with petaloid sepals and petals and compound pistils
superfund program: the federal government's program to locate and investigate and clean up the worst uncontrolled and abandoned toxic waste sites nationwide; administered by the Environmental Protection Agency