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- W3090727409 abstract "espanolEl numero de taxones introducidos y posiblemente introducidos en los archipielagos de Madeira y Salvajes supone aproximadamente un 36% de su flora total, incluyendo 53 taxa de poaceas (sobre un total de 141 taxa de poaceas), constituyendo, de esta manera, la familia botanica con mayor numero de taxa introducidos (38,4%). El genero Ehrharta Thunb. comprende unas 35 especies, con una especie, E. longiflora Sm., registrada como introducida en Gran Canaria. El genero Pennisetum Rich. incluye cerca de 80 especies, de las cuales un total de nueve especies estan presentes en Macaronesia, de las que tres (P. clandestinum Hochst. & Chiov., P. purpureum Schum. y P. villosum R. Br. ex Fresen), se encuentran en el archipielago de Madeira. Ehrharta longiflora Sm. y Pennisetum setaceum (Forssk.) Chiov. se citan en este trabajo por primera vez para la isla de Madeira, donde han sido encontradas en areas perturbadas a bajas y medias altitudes. El hallazgo de varios individuos maduros en estado de flor/fruto de ambas especies sugiere que estan totalmente naturalizadas. El trabajo discute la naturalizacion, la capacidad invasora y los impactos ecologicos generados por las mismas. EnglishThe number of introduced, and possible introduced, taxa in the Madeira and Selvagens islands currently accounts for nearly 36% of the total flora of these archipelagos, including 53 Poaceae taxa (out of 141 Poaceae taxa), therefore constituting the family with the higher proportion of introduced taxa (38.4%). The genus Ehrharta Thunb. comprises about 35 species, with one species, E. longiflora Sm., recorded as introduced in Gran Canaria. The genus Pennisetum Rich. includes ca. 80 species of which a total of nine species are present in Macaronesia, with three: P. clandestinum Hochst. & Chiov., P. purpureum Schum. and P. villosum R. Br. ex Fresen, occurring in the Madeira archipelago. Ehrharta longiflora Sm. and Pennisetum setaceum (Forssk.) Chiov., are here recorded for the first time for the Madeira island, found in disturbed areas at low and medium altitudes. The finding of several mature and flowering/fructifying individuals of both species suggests a fully naturalized status. Naturalization, invasiveness and ecological impacts are discussed." @default.
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- W3090727409 date "2020-01-01" @default.
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- W3090727409 title "Ehrharta longiflora Sm. and Pennisetum setaceum (Forsk.) Chiov., two new alien grasses for Madeira Island (Portugal)" @default.
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- W3090727409 doi "https://doi.org/10.25145/j.si.2020.03.08" @default.
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