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Principal component analysis of all plant extract LC-MS analyses. (A) Scores plot, coloring according to species. (B) Loadings plot with notable compounds marked. QC samples measurements, outliers and buckets representing internal standards are excluded. Lpe – L. perenne (Fennema), Lmu – L. multiflorum (Lema), Lri – L. rigidum, Lte – L. temulentum, Lre – L. remotum, Fpr – F. pratensis, Far – F. arundinacea, Fru – F. rubra.
