Abstract
The plateau of San Luis PotosfÍ is included in the arid zone of Mexico characterized by a great number of species of animals and plants susceptible of being utilized by man as food or for domestic purposes. RZEDOWSKY (1957, 1965...) has already called attention to the plants in this area. As a result of the floristic sampling which I have made, I willrefer to some of the principal species found in or near archaeological sites. Concerning the animals I will only give a list of those mentioned by my informants.In all cases, authors will retain the moral rights established by law and they will yield the right of first publication of their article to the journal. The work is to be registered under the Creative Commons license, which will allow the author or other parties to use what has been published, provided the authorship of the work and the first publication conducted by the magazine are rightfully cited. Similarly, authors should include a link referring to the site of the original publication.

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