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The flavonic profile of Peatbog pines Pinus uliginosa Neumann from Poland and France (with low quercetin content) are close to that of Mugo pine P. mugo Turr. and Mountain pine P. uncinata Ram.; in this respect, the two latter species are indistinguishable. However, the presence of some individuals of sylvestris type (with high quercetin content) is notable; moreover, trees with intermediate quercetin...
The leaf flavonoid content in individuals of Armeria maritima originating from populations with contrasted ecogeographical situations and belonging to seven distinct intraspecific taxa, is highly variable both quantitatively and qualitatively. Principal component analysis and comparison of frequency of individual flavonoid profiles show that congruence between classical taxonomic units and flavonoid...
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