Delta Invasive Species
Invasive Animal Species in the Delta
Click the caption of each photo for more information about the species.
Invasive Plant Species in the Delta
Click the caption of each photo for more information about the species.
Alligatorweed – Alternathera philoxeroides (Photo by National Plant Data Center, Baton Rouge, LA)
Brazilian egeria – Egeria densa (Photo by Lara Gudmundsdottir)
Common reed – Phragmites australis subsp. australis (Photo by Erlend Bjortvedt)
Curlyleaf pondweed – Potamogeton crispis (Photo by Christian Fischer)
Eurasian watermilfoil – Myriophyllum spicatum (Photo by Fungus Guy)
Giant reed – Arundo donax
Perennial pepperweed – Lepidium latifolium (Photo by Leslie J. Mehrhoff, University of Connecticut, Bugwood.org)
Purple loosestrife – Lythrum salicaria (Photo by Liz West)
South American spongeplant –Limnobium laevigatum (Photo by Cardex)
Water hyacinth – Eichhornia crassipes (Photo by Wouter Hagens)
Water primrose – Ludwigia spp. (Photo by Bouba)