A phytotoxicological device is provided comprising: a delivery chamber for insertion into a sample-containing medium, said delivery chamber comprising an upper end, a lower end and one or more apertures to permit moisture to enter the delivery chamber； an exposure chamber in communication with the upper end of the delivery chamber and adapted to receive a cartridge that houses a biological plant material； a locking cap to enclose the exposure chamber； and a base to enclose the lower end of the delivery chamber. This device allows for an investigation of the effects of waterborne contaminants on growth of wetland plants in situ as opposed to currently employed laboratory based methods.
