ambientale, sapienza università di roma, roma, italy; f Dipartimento di scienze e tecnologie Biologiche ed ambientali, università del salento, lecce, italy; g istituto Beni culturali, regione emilia-romagna, Bologna, italy; h centro conservazione Biodiversità (ccB), Dipartimento di scienze della Vita e dell'ambiente (DisVa), università di cagliari, cagliari, italy; i scuola di Bioscienze e medicina Veterinaria, università di camerino, macerata, italy; j Dipartimento di scienze della Vita, università di modena e reggio emilia, modena, italy; k Dipartimento di scienze della terra, dell'ambiente e della Vita (DistaV), università di genova, genova, italy; l Dipartimento di Biologia, ecologia, e scienze della terra (DiBest), università della calabria, cosenza, italy; m Dipartimento di scienze della Vita e Biologia dei sistemi (DBios), università di torino, torino, italy; n comitato scientifico, museo regionale di scienze naturali efisio noussan, aosta, italy; o sezione di Botanica filippo Parlatore, museo di storia naturale, università di firenze, firenze, italy; p Dipartimento di Biologia, università di napoli federico ii, napoli, italy; q Dipartimento di scienze agrarie, alimentari e forestali, università di Palermo, Palermo, italy; r scuola di scienze agrarie, forestali, alimentari ed ambientali, università della Basilicata, Potenza, italy; s strada Val san martino superiore, torino, italy; t centro ricerche floristiche marche, Pesaro, italy; u Dipartimento di Pianificazione, Design, tecnologia dell'architettura (PDta), sapienza università di roma, roma, italy; v Department of Botany, national museum of natural history, smithsonian institution, washington, Dc, usa; w Via isonzo, massa, italy; x Dipartimento di scienze della terra, università di torino, torino, italy; y Via regazzoni Bassa, Padova, italy; z museo di storia naturale della calabria ed orto Botanico, università della calabria, cosenza, italy; aa Dipartimento di scienze della Vita, università di trieste, trieste, italy; ab fondazione museo civico di rovereto, trento, italy; ac sezione di Botanica ed ecologia Vegetale, Dipartimento di scienze e tecnologie Biologiche, chimiche e farmaceutiche (steBicef), università di Palermo, Palermo, italy; ad Dipartimento di scienze agrarie e forestali (Dafne), università della tuscia, Viterbo, italy; ae Via europa unita, schio, italy; af istituto per le Piante da legno e l'ambiente (iPla), torino, italy; ag laboratori di Botanica, Dipartimento di scienze delle Produzioni agroalimentari e dell'ambiente, università di firenze, firenze, italy; ah largo Brigata cagliari, Vercelli, italy; ai Dipartimento di scienze e tecnologie ambientali, Biologiche e farmaceutiche, università della campania luigi Vanvitelli, caserta, italy;
In this contribution, new data concerning the distribution of vascular flora alien to Italy are presented. It includes new records, confirmations, and status changes for Italy or for Italian administrative regions of taxa in the genera Abies, Actinidia, Aloe, Amaryllis, Anredera, Arctotheca, Bidens, Cardiospermum, Celosia, Commelina, Cotoneaster, Cyclamen, Eclipta, Euphorbia, Grevillea, Hedera, Hibiscus, Impatiens, Juglans, Kalanchoe, Koelreuteria, Lindernia, Melinis, Myriophyllum, Nandina, Nicotiana, Oenothera, Oxalis, Parthenocissus, Phoenix, Phyllanthus, Physalis, Plumbago, Pteris, Quercus, Setaria, Symphytum, Tagetes, and Washingtonia. Nomenclatural and distribution updates, published elsewhere are provided as Suppl. material 1.
In this contribution, new data concerning the distribution of vascular flora alien to Italy are presented. It includes new records, confirmations, exclusions, and status changes for Italy or for Italian administrative regions. Furthermore, three new combinations are proposed. Nomenclatural and distribution updates published elsewhere are provided as Suppl. material 1.
This paper provides a comparison of the vascular exotic flora of Sardinia and that of the Balearic Islands, both territories belonging to the Western Mediterranean biogeographic subregion. The study has recorded 531 exotic taxa in Sardinia (18.8% of the total flora) while 360 (19%) in the Balearic Islands; 10 are new to Sardinia (3 of which for Italy) and 29 to the Balearic Islands. The alien flora of Sardinia is included in 99 families; Fabaceae is the richest (49 taxa), followed by Poaceae (33) and Asteraceae (31) while in the Balearic Islands in 90 families, with a predominance of Fabaceae (32), Asteraceae (31) and Poaceae (27). The comparison of the biological spectra reveals that in Sardinia phanerophytes are the most represented in Sardinia and therophytes in the Balearic Islands. A detailed analysis shows that most of the exotic taxa (246) are shared by both territories with a clear dominance of neophytes rather than archaeophytes. A study of the geographical origin shows supremacy of the American element over the Mediterranean. The majority of introduced exotic taxa are a result of intentional human introductions (76% SA, 77% BL), mainly for ornamental use (43% SA, 45% BL). The most occupied habitats are the semi-natural, agricultural and synanthropic for both territories, but attending to invasive plants, coastal habitats in Sardinia and wetlands in the Balearic Islands are the most sensitive. A part of the work deals with the causes of fragility and low resilience of the different habitats.Keywords: alien species, biogeography, conservation, invasions, Mediterranean. Se presenta un estudio comparativo de la flora vascular exótica de Cerdeña y de las Baleares, dos sistemas insulares pertenecientes a la subregión biogeográfica Mediterránea Occidental. En Cerdeña se han contabilizado 531 táxones exóticos (18,8% del total de su flora), mientras que en las Baleares 360 (19%), siendo 10 citas nuevas para Cerdeña (3 de las cuales para Italia) y 29 para Baleares. La flora exótica de Cerdeña está incluida en 99 familias, y Fabaceae es la más rica (49 táxones), seguida por Poaceae (33) y Asteraceae (31), frente a 90 familias para las Baleares, con predominio de Fabaceae (32), Asteraceae (31) y Poaceae (27). Se han encontrado diferencias respecto a los tipos biológicos, con un predominio de los fanerófitos en Cerdeña y de los terófitos en las Baleares. Un análisis detallado muestra que buena parte de estos táxones (246) son compartidos por ambos territorios, así como una dominancia de los neófitos frente a los arqueófitos. Respecto al origen geográfico, ambos territorios presentan una preeminencia del elemento americano sobre el mediterráneo. En referencia a las vías de introducción, la mayor parte de los táxones ha sido introducida por parte del hombre de forma intencionada (76% SA, 77% BL) en particular para uso ornamental (43% SA, 45% BL). Los hábitats más afectados son los seminaturales, agrícolas y sinantrópicos en ambos territorios, aunque atendiendo a la flora invasora, son los litorales los más sensibles ...
In this contribution, new data concerning the distribution of vascular flora alien to Italy are presented. It includes new records, confirmations, exclusions, and status changes for Italy or for Italian administrative regions of taxa in the genera Acalypha,
In this contribution, new data concerning the distribution of vascular flora alien to Italy are presented. It includes new records, confirmations, exclusions, and status changes for Italy or for Italian administrative regions of taxa in the genera Bunias, Calocedrus, Calycanthus, Celosia, Clerodendrum, Convolvulus, Crassula, Cyclamen, Datura, Dicliptera, Eragrostis, Erigeron, Gamochaeta, Gazania, Impatiens, Kolkwitzia, Leucaena, Ludwigia, Medicago, Muscari, Nigella, Oenothera, Opuntia, Paulownia, Petroselinum, Phyllostachys, Physalis, Pseudosasa, Quercus, Reynoutria, Roldana, Saccharum, Sedum, Semiarundinaria, Senecio, Sisyrinchium, Solanum, Sporobolus, Tulipa, Vachellia, Verbena, and Youngia. Nomenclatural and distribution updates published elsewhere are provided as Suppl. material 1.
Our understanding of the richness and uniqueness of the flora growing on gypsum substrates in Italy has grown significantly since the 19th century and, even today, new plant species are still being discovered. However, the plants and plant communities, growing on gypsum substrates in Italy, are still a relatively unknown subject.The main aim of this paper was to elaborate a checklist of the Italian gypsophilous flora, to increase knowledge about this peculiar flora and for which conservation efforts need to be addressed.Through a structured group communication process of experts (application of the Delphi technique), a remarkable number of experienced Italian botanists have joined together to select focal plant species linked to gypsum substrates. From the results obtained, 31 plant species behave as absolute or preferent taxa (gypsophytes and gypsoclines) and form the ‘core’ Italian gypsophilous flora. The most abundant life forms were chamaephytes and hemicryptophytes, belonging to Poaceae and Brassicaceae; as for chorotypes, the most represented are Mediterranean and narrow endemics. By improving on previously available information about the flora with a clear preference for gypsum in Italy, this undertaking represents an important contribution to the knowledge of a habitat which is today considered a priority for conservation.
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