This work presents a comprehensive overview of all species, subspecies, and varieties belonging to the families Aiéoaceae, Alangiaceae, Apanogeronaceae, Araliaceae, Arilidiaceae, Balanapharaceae, Campanulaceae, Cannabaceae, Capparaceae, Cardiapreridaceae, Cenrrolepidaceae, Cymodoceaceae, Ebenaceae, Elaeocarpuceae, Ericaceae, Flagellariaceae, Fumariaceae, Goadeniaceae, Hanguanaceae, Heliconiaceae, Hernandiaceae, Hippacastanaceae, Hydrocharitaceae, Leeaceae, Lemnaceae, Labeliaceae, Lowiaceae, Lythraceae, Molluginaceae, Myoparaceae, Mynlsticaceae, Opiliaceae, Oxalidaceae, Papaveraceae, Pedaliaceae, Phibrdraceae, Podoslemaceae, Poligonaceae, Potamagetonaceae, Rajlesiaceae, Ranunculaceae, Restionaceae, Rosaceae, Ruppiaceae, Sargentodaxaceae, Solanaceae, Spargamhceae, Sphenocleaceae, Strelitziaceae, Stylidiaceae, Taccaceae, Tiliaceae, Verbenaceae, Xyridaceae, and Zosteraceae, known to date for the flora of Vietnam. For each taxon, a brief synonymy is provided, along with information on the location of the original description and type, as well as a list of occurrences within the territory of the Socialist Republic of Vietnam. This monograph was completed with the support of the International Scientific Foundation named after George Soros (project "Study of the Flora of Vietnam," grant NUW000,300) and the National Geographic Society of the USA (project "Study of the Highlands of Southern Vietnam," grant No. 5094-93). The publication of this book was made possible through the support of the Russian Foundation for Basic Research of the Russian Academy of Sciences.