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Table 2 Intra- and inter-specific K2P distances of the five candidate loci for 36 Dendrobium species

From: The loci recommended as universal barcodes for plants on the basis of floristic studies may not work with congeneric species as exemplified by DNA barcoding of Dendrobium species

Locus No. of sp. used for intra-specific distance Intra-specific
K2P distance
No. of sp. used for inter-specific distance Average inter-specific K2P distance (Range)
ITS 33 0 - 0.0101 36 0.1714
(0.0152 - 0.3251)
matK 33 0 - 0.0015 36 0.0126
(0 - 0.0371)
rbcL 33 0 36 0.0061
(0 - 0.023)
rpoB 33 0 36 0.0077
(0 - 0.0296)
rpoC1 33 0 36 0.0042
(0 - 0.0171)