Sobre algunas plantas poco conocidas, tanto espontáneas como cultivadas, del Pirineo aragonés

Abstract

[EN] On some unknown plants, wild and cultivated, of the Central Pyrenees. In afirst group of naturalized plants, the authors comment on Armoracia rusticana, discovered in the Ribagorza, its single pyrenean locality in this century; Bunias orientalis, accidentally naturalized may be as aweed at Bielsa; Fibigia clypeata, naturalized in the Monaster of San Juan de la Peña, possibly introduced from Italy on XVlllth century and Aster novi-belgii, anorth-american species cultivated as ornamental on several points in Aragon. Asecond group is composed by water-related species as Potentilla palustris, Veronica scutellata, both registered for the first time on Aragonese Pyrenees, where Callitriche palustris is widespread and Menyanthes trifoliata or Hippuris vulgaris are restringed tosorne localities. Finally, new localities for Cystopteris montana, Filipendula ulmaria and Salix daphnoides are reported, the last one also new for the area.