Contribution to the alien flora of the Balearic Islands Authors Jordi Serapio Emilio Laguna Carlos Gómez Bellver Luís Alberto Domínguez Filip Verloove Llorenç Sáez i Gonyalons DOI: 10.2436/20.1502.01.133 Keywords: plantes al·lòctones, Illes Balears, Regió Mediterrània. Abstract This paper deals with 70 non-native vascular plants, 25 of which are reported for the first time from the Balearic Islands: Agave attenuata, Aloe ×delaetii, Aloe ×nobilis, Campsis ×tagliabuana, Catalpa bignonioides, Chloris gayana, Dracaena draco, Euphorbia abyssinica, Ficus microcarpa, Ipomoea imperati, Leuzea repens, Lophocereus marginatus, Melaleuca viminalis, Monstera deliciosa, Opuntia monacantha, Opuntia pilifera, Opuntia robusta, Parthenocissus tricuspidata, Peganum harmala, Ruschia caroli, Salvia hispanica, Tradescantia fluminensis, Trichocereus macrogonus, Vachellia farnesiana and Vitis ×instabilis. Moreover, 31 taxa are novelties for the flora of some islands. The occurrence of Centranthus macrosiphon (Valerianaceae) in eastern Mallorca is documented based on herbarium specimens collected by Francesc Barceló at the end of the 19th century. Downloads Download data is not yet available. Downloads PDF Issue Vol. 87 (1-4) : 2023 Section Gea, Flora et Fauna License The intellectual property of articles belongs to the respective authors.On submitting articles for publication to the journal Butlletí de la Institució Catalana d'Història Natural authors accept the following terms:Authors assign to Institució de la Societat Catalana d’Història Natural (a subsidiary of Institut d’Estudis Catalans) the rights of reproduction, communication to the public and distribution of the articles submitted for publication to Butlletí de la Institució Catalana d'Història Natural.Authors answer to Institució de la Societat Catalana d’Història Natural for the authorship and originality of submitted articles.Authors are responsible for obtaining permission for the reproduction of all graphic material included in articles.Institució de la Societat Catalana d’Història Natural declines all liability for the possible infringement of intellectual property rights by authors.The contents published in the journal, unless otherwise stated in the text or in the graphic material, are subject to a Creative Commons Attribution-NonCommercial-NoDerivs (by-nc-nd) 3.0 Spain licence, the complete text of which may be found at https://creativecommons.org/licenses/by-nc-nd/3.0/es/deed.en. Consequently, the general public is authorised to reproduce, distribute and communicate the work, provided that its authorship and the body publishing it are acknowledged, and that no commercial use and no derivative works are made of it.The journal Butlletí de la Institució Catalana d'Història Natural is not responsible for the ideas and opinions expressed by the authors of the published articles.