The plant communities of the<i>Rumici indurati-Dianthion lusitani</i>alliance in the Lusitan Duriensean biogeographical sector (NE Portugal and CW Spain)

Abstract

Abstract The rupicolous vegetation of the alliance Rumici indurati-Dianthion lusitani in the central-western Iberian Peninsula is analysed using the methods of the Zürich-Montpellier school. This paper provides phytosociological tables and biogeographical, ecological and floristic data for this alliance. Two new syntaxa are also described: Rumici indurati-Anarrhinetum durimini and Phagnalo saxatilis-Antirrhinetum lopesianii. These Lusitan Duriensean phytocenoses are compared with those of other biogeographical sectors of the Iberian Peninsula using numerical analysis.