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Darwiniana, nueva serie

Print version ISSN 0011-6793On-line version ISSN 1850-1699


ARANA, Marcelo D; RAMOS GIACOSA, Juan P  and  OGGERO, Antonia J. Revalidación de la presencia de Lygodium Venustum (Lygodiaceae) en la Argentina, con notas nomenclaturales. Darwiniana, nueva serie [online]. 2015, vol.3, n.2, pp.227-234. ISSN 0011-6793.

This paper confirms that the geographic range of Lygodium venustum includes north eastern Argentina, from the recent collection of specimens in the Provincial Park Moconá, Province of Misiones, and by the identification of herbarium material corroborating an ancient dubious citation of this species. This record represents the austral limit of the distribution of the species. Diagnostic characters are described and illustrated, and an identification key is provided, as well as reference material of Lygodium species from the Southern Cone of America. Lygodium venustum, L. pohlianum and L. palmatilobum are lectotypified and the last one is synonymized under Lygodium venustum. Lygodium hastatum, L. palmatilobatum and L. potentilloides are invalid names.

Keywords : Lygodium; Misiones; Schizaeales; Southern Cone Flora; taxonomy.

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