Plant Common Name     Botanical name         Contaminant remediated
--------------------- ---------------------- ----------------------
Nodding thistle       Cardus nutans          Lead
Alpine Pennycress     Thlaspi caerulescens.  Cadmium and zinc
Scented geranium      Pelargonium sp.        Cadmium, lead and nickel.
Astragalus            bisulcatus             Selenium
brake fern            Pteris vittata         Arsenic
Tobacco                                      Cadmium and zinc
Parrot feather weed   Myriophyllum aquaticum Tnt
Eurasian watermilfoil Myriophyllum spicatum  TNT
Amaranth              Amaranthus retroflexus Radiocesium.
???                   Berkheya coddii        Nickel
Vetiver               Vetiveria zizanioides  Petroleum hydrocarbon contamination,
                                             lead heavy metals,
                                             herbicides and pesticides,
                                             mine tailings.
Bamboo                                       Silica
Sunflower                                    Absorbs radioactive materials
                                             e.g. caesium strontium and uranium
Willow                                       Hydrocarbon
Fescue, ryegrass bermuda                     Petroleum products
Water hyacinth                               Lead copper iron and mercury.
Poplar                Populus sp             Pesticides, nitrates, atrazine
Indian mustard                               Selenium, sulphur, lead chromium, cadmium
Duckweed                                     Explosive waste