Table 3. Number of species per genus resolved as monophyletic for each of five proposed multilocus barcoding combinations.
| Citation for the proposed combination: | Proposed barcoding combinations | ||||||
| rbcL+trnH-psbA | matK+rpoC1+rpoB | matK+rpoC1+trnH-psbA | matK+atpF–atpH+trnH-psbA | matK+atpF–atpH+psbK–psbI | |||
| Kress and Erickson [8] | Chase et al. [9] | Chase et al. [9] | Lee et al. [20] | Lee et al. [20] | |||
| Major clade | Genus | No. of species surveyed | |||||
| Angiosperms | Acer | 5 | 3 | 3 | 3 | 3 | 3 |
| Betula | 2 | 0 | 0 | 0 | M | M | |
| Cornus | 4 | 4 | 2 | 4 | 4 | 4 | |
| Erigeron | 2 | 0 | 0 | 0 | 0 | 0 | |
| Eupatorium | 2 | 2 | 2 | 2 | 2 | 2 | |
| Lactuca | 2 | 2 | 2 | 2 | 2 | 2 | |
| Plantago | 3 | 2 | 3 | 3 | 3 | 3 | |
| Poa | 2 | 2 | 2 | 2 | 2 | 2 | |
| Polygonum | 4 | 4 | 3 | 4 | 4 | 3 | |
| Populus | 4 | 3 | 1 | 2 | 2 | 3 | |
| Quercus | 3 | 1 | 1 | 1 | 1 | 1 | |
| Rhamnus | 3 | 3 | 3 | 3 | 3 | 3 | |
| Rubus | 4 | 3 | 4 | 4 | 4 | 4 | |
| Salix | 3 | 2 | 2 | 2 | 2 | 3 | |
| Silene | 2 | 2 | 2 | 2 | 2 | 2 | |
| Solanum | 2 | 2 | 2 | 2 | 2 | 2 | |
| Solidago | 6 | 0 | 0 | 0 | 0 | 0 | |
| Sonchus | 2 | 0 | M | M | M | M | |
| Symphyotrichum | 7 | 0 | 2 | 2 | 1 | 2 | |
| Trifolium | 2 | 2 | 2 | 2 | 2 | 2 | |
| Typha | 2 | 0 | 0 | 0 | 0 | 0 | |
| Viburnum | 3 | 3 | 2 | 3 | 3 | 3 | |
| Gymnosperms | Juniperus | 2 | 2 | 2 | 2 | 2 | 2 |
| Picea | 2 | 0 | 0 | 0 | 2 | 2 | |
| Pinus | 3 | 3 | 3 | 3 | 3 | 3 | |
| Monilophytes | Dryopteris | 3 | 1 | 1 | 1 | 1 | 1 |
| Equisetum | 2 | 2 | M | 0 | 0 | M | |
| Lycophytes | Lycopodium | 2 | 2 | 2 | 2 | 2 | 2 |
| Bryophytes | Brachythecium | 3 | 3 | 3 | 3 | 3 | 3 |
| Dicranum | 2 | 2 | 2 | 2 | 2 | 2 | |
| Plagiomnium | 2 | 2 | 2 | 2 | 2 | 2 | |
| Polytrichum | 2 | 2 | 2 | 2 | 2 | 2 | |
| No. of species amplified for at least two populations | 92 | 90 | 92 | 92 | 90 | ||
| Percent species monophyletic (of those amplified and sequenced) | 64 | 61 | 65 | 66 | 69 | ||
| Percent species monophyletic (of those attempted) | 64 | 60 | 65 | 66 | 67 | ||
Values indicate the number of species for each genus identified as monophyletic with at least 70% bootstrap support for each multi-locus combination; ‘M’ indicates that none of the species in that genus had more than one sample, or that only one species was amplified and sequenced.