Lakes SOS is field guide to aquatic invasive species (AIS) of North America. The app has an extensive plant ID section including milfoil, elodea, fanwort and many others found in rivers, lakes, streams and wetlands in the United States and Canada. Also included are invasive mollusks, algae, fish, reptiles, mammals and crustaceans. The app offers users in every state (or province) the opportunity to report invasive species to all agencies or organizations collecting aquatic invasive species sightings. There is a Clean, Drain and Dry guide that outlines procedures for removing invasive species from watercraft or tackle. It's a must-have app for water recreationists, conservationists and lake associations.