This fourth volume of the Flora of Florida collection continues the definitive and comprehensive identification manual to the Sunshine State’s 4,000 kinds of native and non-native ferns and fern allies, nonflowering seed plants, and flowering seed plants. Volume IV contains the taxonomic treatments of 31 families of Florida’s dicotyledons.With keys to family, genus, and species, and with families arranged alphabetically for easy reference, the Flora of Florida volumes are the standard reference for botanists, researchers, consultants, and students alike.