DNA barcoding the native flowering plants and conifers of Wales.

PLoS One · 2012 · PMC3368937 · PMID 22701588

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highly significantno p-value reported

For both rbcL and matK a highly significant, negative relationship was seen between sequencing success and herbarium specimen age (Spearman's rank correlation coefficient for rbcL was 0.991, p = <0.001, for matK 0.982, p = <0.001).

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