Book excerpt: This unique reference book meticulously lists a vast variety of the extensive South American flora, in particular the one of Venezuela. Pharmacists, pharmacologists, toxicologists and botanists will find that this encyclopaedia unprecedented in depth and detail. In an A-Z format, more than 80 plant families are covered. Botanical information of the individual species is given together with their specific use in traditional South American medicine. More than 250 detailed figures allow easy identification.