Flora of North America: Volume 4: Magnoliophyta: Caryophyllidae, part 1
Volume 4 of the critically acclaimed Flora of North America series is one of 19 volumes on dicots to be published in this collection. Together they will provide a comprehensive, authoritative, illustrated account of this important group of plants. Most of the species treated are either native to North America north of Mexico or are introduced species that are now established in the region. It also includes many important species that do not fit into these categories.