APIS, Aquatic Plant Information System. APIS™ provides information on the identification and management of over 60 species of native and introduced aquatic and wetland plant species. In addition, identification strategies for common management procedures are included for chemical, biological, and mechanical technologies. Interactive expert systems for the identification of commonly encountered insect herbivores as well as several simulation models are also included. APIS™ is highly interactive and allows rapid and efficient access to the information via hyper-linked text, photographs, maps, and illustrations.