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This paper presents an overview of the current state of research on Roman, Late Antique and medieval agriculture in the Iberian Peninsula through the study of archaeobotanical samples (seeds and fruits) collected on a large number of rural and urban sites spread throughout Iberia's geography. It includes published and unpublished data. The plant taxa of economic interest are grouped into various categories: cereals, cereal chaff, legumes, domesticated fruits, oil/fibre plants, condiments and spices, and wild species. According to the data, naked wheats and hulled barley are the dominant cereal species throughout the Iberian Peninsula. There are, nonetheless, particularities like the prevalence of hulled wheats (mainly emmer and spelt) in the North-west. Cultivated fruits also show a great diversity, and new species such as Morus nigra or Prunus armeniaca appear for the first time in the archaeobotanical record. There are also novelties regarding herbs and spices., The contributions of L. Peña-Chocarro and G. Pérez Jordà are within the framework of the project FRUITFUL: La introducción y el desarrollo de la arboricultura en la Península Ibérica (HAR2015-64953-P) funded by the Spanish Ministerio de Economía y Competitividad and coordinated by L. Peña-Chocarro. G. Pérez Jordà's participation is carried out within the post-doctoral contract IJCI-2015-25082 funded by the Spanish Ministerio de Economía, Industria y Competitividad. Natàlia Alonso's participation is within the framework of projects SGR2014-273 and HAR2016-78277-R: Prácticas agroalimentarias, asentamientos y espacios domésticos. Relaciones y evolución en los llanos sur-pirenáicos (III-I milenios ANE), funded by Ministerio de Economía, Industria y Competitividad (SGR2014-273 and HAR2016-78277-R) and coordinated by N. Alonso. J.P. Tereso was supported by a Post-doc grant (SFRH/BPD/88250/2012) from Fundação para a Ciência e a Tecnologi

The multiple archaeobotanical studies from the east Iberian Peninsula from 2800 cal. BC to 200 BC have provided around twenty wild fruit taxa of varying importance. The aim of this work is to present these taxa and analyse the most important wild fruits, some of them being cultivated since the First Iron Age. Considering sites with comparable sampling methods, a quantitative difference is not observed between wild species exploited in the several life zones represented in this synthesis: Thermo-, Meso-, Supra- and Montane-Mediterranean zones. Three taxa are common in the three life zones considered: Quercus sp., Sambucus sp. and Rubus sp. More thermophilic taxa, Ficus carica and Olea europaea, are present in the two lower zones, although their values decrease to the north we go and with height, in contrast to what happens with Vitis vinifera. The exploitation of wild resources as a food supplement, in addition to other uses, developed during the 2600 years with several differences. These differences are explained in part by the plants that grow in each of the territories and in part by the organization of the human groups and the forms of land exploitation. Protohistoric human groups would have exploited nearby resources as in the previous periods, and all data confirm the continuity of this fundamental activity. However, gathering seems to have had a fairly small economic importance when considering the low rates of ubiquity of these plants in contrast to those of staple crops. The participation of Natàlia Alonso in this work was supported by the projects HAR2012-36877 and SGR2014-273.