"North America." . . "Weeds North America Handbooks, manuals, etc." . . . . . . "Guidebooks"@en . . "Electronic books"@en . . . . . . . "Weeds of North America" . . . . "Weeds of North America"@en . "Encyclopedic in scope, the book is the first to cover North American weeds at every stage of growth. The book is organized by plant family, and more than five hundred species are featured. Each receives a two-page spread with images and text identification keys. Species are arranged within family alphabetically by scientific name, and entries include vital information on seed viability and germination requirements."@en . . . . . "Handbooks and manuals"@en . "Weeds." . . . . "Weeds North America Identification." . . "Plantes adventices Amérique du Nord Identification." . . "TECHNOLOGY & ENGINEERING / Agriculture / General" . .