Phytoremediation database, searchable for plants & contaminants (click link here)

Phytoremediation is a process that uses living plants to remove, transfer, stabilize, and/or destroy contaminants in the soil, air, and groundwater. This process can be used for radioactive toxins, metals, biodiesels and oils, organics and hydrocarbons, as well as various others.  The database is searchable for plants which you may consider for your design.