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Abstract
The aim of this study was the biometrical comparison of Abies pinsapo Boiss., Abies maroccana Trab. and Abies tazaotana Côzar ex Villar from Spain and Morocco. The morphological and anatomical analysis of the needle characters of these firs revealed significant taxonomic differences. The results showed considerable distances between regions and very small differences among the Moroccan fir taxa. The examination of the needles and earlier genetic analysis did not provide evidence for distinguishing A. tazaotana at the species level.
Acknowledgements
The majority of the plant material was collected thanks to the collaboration between CSIC (Spanish Research Council) and PAS (Polish Academy of Sciences). The research was conducted as part of a statutory research programme of the Institute of Dendrology, partly supported by the Polish Ministry of Science (Contr. Nr: N N303 412136). We are also grateful to anonymous reviewers for their valuable comments on an earlier version of the manuscript.