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Acta Botanica Gallica
Botany Letters
Volume 153, 2006 - Issue 3
154
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Original Articles

Syntaxonomical review of the Omphalodion commutatae alliance (class Helianthemetea)

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Pages 285-295 | Received 10 Oct 2005, Accepted 09 Nov 2005, Published online: 26 Apr 2013
 

Abstract

The syntaxa of Omphalodion commutatae (Trachynietalia distachyae, Helianthemetea) are examined as regards to their floristic, ecological and biogeographical characteristics, and the new association Sileno lasiostylae-Arenarietum tenuis is described. A correspondence analysis (CA) has been carried out and, as a result of it, the relationships between the different syntaxa in the alliance are reviewed.

Résumé

On dresse dans un premier temps un état des caractères floristiques, écologiques et biogéographiques des syntaxons appartenant à l'alliance Omphalodion commutatae (Trachynietalia distachyae, Helianthemetea) puis nous décrivons la nouvelle association Sileno lasiostylae-Arenarietum tenuis. Nous en analysons la disposition (CA) et, en nous basant sur les résultats des analyses, nous interprétons les rapports entre les divers syntaxon qui composent l'alliance.

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