Morphological and leaf anatomical variation inFestuca rubra sensu lato(Poaceae) from eastern Quebec

摘要

The variation of 52 morphological and anatomical characters was analysed in 32 populationsof Festuca rubraL.sensu latofrom salt marshes, coastal rocks, coastal sands, and anthropogenic sites in eastern Quebec. The results show that the variation of characters is essentially continuous within and between populations, that some populations are much more variable than others, and that on the whole, character variation patterns are mainly related to ecological rather than geographical factors. The weak structure revealed by a similarity analysis of populations is the source of the classification problems within this species.