Fig. 3From: Phenotypic differences among and within extant populations of Chrysanthemum arcticum L. and C. a. subsp. arcticumPrincipal components analyses (PCoA) for Chrysanthemum arcticum subsp. arcticum 16 quantitative morphological traits. a Variables plot revealed by two principal components analysis. b Scree plot of principal component analysis of C. a. subsp. arcticum populations between eigen value and principal components. c Individual scatter plot grouping by populations revealed by two principal components analysisBack to article page