The second in a series of four illustrated guides to identifying aquatic and standing water plants in the central Midwest, this convenient reference volume includes descriptions, nomenclature, ecological information, and identification keys to plants in all of the monocot families except sedges-which are covered in the first volume in the series-that are found in Kentucky (except for the Cumberland region), Ohio, Indiana, Illinois, Iowa, Missouri, Kansas, and Nebraska. Monocots covered in this volume include ferns, conifers, grasses, rushes, orchids, duckweeds, irises, sweet flags, arrowheads, aroids, flowering rushes, pipeworts, frog-bits, arrowgrasses, naiads, pickerelweeds, pondweeds, bur reeds, cattails, and yellow-eyed grasses. Robert H. Mohlenbrock includes three types of plants: submergents, those that spend their entire lives with their vegetative parts either completely submerged or at least floating on the water's surface; emergents, which are typically rooted underwater with their vegetative parts standing out of water; and a third category of plants that live most of their lives out of water, but which may live in water at least three months a year. With taxa arranged alphabetically, the volume is well organized and easy to use. In addition, basic synonymy, description, distribution, comments, and line drawings show the habits and distinguishing features for each plant. Habitat and nomenclatural notes are also listed, as are the official wetland designations given by the U.S. Fish and Wildlife Service. Filicineae, Gymnospermae, and Other Monocots, Excluding Cyperaceae is a useful standard reference for state and federal employees who deal with both aquatic and wetland plants and environmental conservation and mitigation issues. It is furthermore an essential guide for students and instructors in college and university courses focusing on the identification of aquatic and wetland plants.