Publication details

Neobvyklá lokalita chruplavníku rolního (Polycnemum arvense) u Náměště nad Oslavou a několik poznámek k ekologii druhu

Title in English Unusual site of Polycnemum arvense near Náměšť nad Oslavou (Czech Republic, Moravia) and some notes on ecology of the species


Year of publication 2010
Type Article in Periodical
Magazine / Source Acta Rerum Naturalium
MU Faculty or unit

Faculty of Science

Field Botany
Keywords Polycnemum arvense - field needleleaf - floristics - endangered species - Bohemian-Moravian Highlands - Czech Republic
Description Recent record of a critically endangered plant species Polycnemum arvense is reported from the surroundings of the town of Náměšť nad Oslavou. It is one of few recent sites of the species in the Bohemian-Moravian Highlands. The site has a peculiar management regime, being a decorative rock garden beneath a wayside cross in an agricultural landscape. The recorded population consists of several dozen individuals. The habitat requirements of the species are being discussed. It is concluded that although Polycnemum arvense is considered an alien species of archaeophytic origin in the Czech Republic, it may be native as well. The treeless sites with sparsely vegetated blown sand or with rocky outcrops surrounded by thin accumulations of weathered material might have been particularly suitable for its survival during the Holocene.
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