Abstract
Background: Since their existence on earth, humans have used herbal medicine to meet their require-ments for medication. The aim of the study: This work refers to a study conducted to carry out an ethnopharmacological survey of medicinal plants used for the treatment of cancer in Fez-Meknes region of Morocco. Material and Methods: To achieve this goal, 300 informants including 237 local people and 63 herbalists. They were requested to fill a survey related questionnaire aiming at the collection of data -about the addressed objective. Informants were asked about the vernacular names, parts of medicinal plants used, mode of preparation, route of administration, reference area as well as the ecological distri-bution. The Relative Frequency of Citation (RFC) and Fidelity Level (FL) were calculated to identify the most effective plants recommended by informants for disease treatment. Results: The findings obtained in the present survey revealed that 94 species belonging to 47 families have been used for cancer treat-ment in the region of Fez-Meknes. Fruits, leaves, and seeds are the most commonly used plant parts, by the time powder and infusion arethe most common methods used fordrug preparations. Conclusion: This work may contribute towards the society as it provides interesting data on traditional medicinal knowledge of medicinal plantsused to fight cancer. (c) 2021 Published by Elsevier B.V. on behalf of King Saud University. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).