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. 2016 Jan 11;11(1):e0146607. doi: 10.1371/journal.pone.0146607

Fig 4. PCA scores plot and loadings plot for D. officinale and D. huoshanense with different growth years.

Fig 4

(A) PCA scores plot for 36 Dendrobium collections. (B) PCA loadings plot marked by two Dendrobium species. “Fe” indicates D. officinale, and “M” indicates D. huoshanense. The numbers 1, 2, and 3 indicate the corresponding growth years of Dendrobium.