This book is the epitome of ethnobotanical cultural heritage of the province of Ávila (Castilla and León, Spain), its subject matter is the knowledge and popular beliefs about the plants and the environment, a richly diverse and extensive subject area. The book is profusely illustrated with 800 color photographs, showing both plant species and ethnobotanical uses. The introductory part has different sections explaining what the science of ethnobotany is and what it deals with, describing the vegetation of Ávila and different biogeographical regions, the toponymy of plants, the uses of plants and which plants are most used in the culture of Ávila, and how to preserve this knowledge. It is followed by an extensive illustrated catalog of the vascular plants (with its popular names in Ávila and its scientific name) grouped into about 50 categories of ethnobotanical uses. It is followed by an interesting first annex devoted to photographs illustrating the varied ethnobotanical uses in Ávila, from ancestral, to their use in landscapes and villages, food, medicine, rural technology and construction; their importance in holidays, religion and legends; and includes popular gardening and monumental trees. In Annex II the rich vegetation landscapes of the Sierra de Gredos is described, giving vernacular names of the flora and vegetation toponymy, the naturalists that have come to Gredos, cuisine and botany, etc. Annex III explains the survey model used to collect ethnobotanical information in the field. Annex IV is a list of names collected during botanical and ecological mapping in the province of Ávila. Finally, the book ends with a bibliography and two indices, the first one listing popular and scientific names of plants, and the second a thematic index.