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Title: Presència d'Achillea roseoalba Ehrend. als Pirineus.
Author: Aymerich i Boixader, Pere
Soriano i Tomàs, Ignasi
Keywords: Flora
Issue Date: 30-Jun-2016
Publisher: Institució Catalana d'Història Natural
Abstract: <b>Presence of <i>Achillea roseoalba</i> Ehrend. in the Pyrenees</b> <i>Achillea roseoalba</i> Ehrend., a perialpine species of the <i>A. millefolium</i> aggregate, is recorded for the first time in the Pyrenees and the Iberian Peninsula. We have localised some populations in a small area of the upper basin of the Segre river around Seu d'Urgell town, in highly anthropized hay meadows at an altitude of 600-750 m a.s.l., where it is locally common. In the Pyrenees, it can be considered an alien species, probably introduced in the first half of the 20th century due to activities related with dairy farming. We also presents a brief morphological characterisation of the plant, compared with <i>A. ceretanica</i> Sennen and <i>A. millefolium</i> L. <i>s.l.</i>, the other two species of the aggregate present in the Eastern Pyrenees.
Note: Reproducció del document publicat a:
It is part of: Butlletí de la Institució Catalana d'Història Natural, 2016, vol. 80, p. 67-72
ISSN: 1133-6889
Appears in Collections:Articles publicats en revistes (Biologia Evolutiva, Ecologia i Ciències Ambientals)

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