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. 2004 Mar;93(3):283–293. doi: 10.1093/aob/mch042

Table 3.

Comparison of results from the ITS and matK

Data set matK ITS
Number of taxa 41 18
Total characters 960 522
Informative substitutions 228 187
Number of MPTs 8 6
Number of steps 556 357
Consistency index (CI) 0·7115 0·7437
Retention index (RI) 0·9294 0·8321
Mean pairwise distances, ingroup (%) 11·6 25·2

The consistency and homoplasy indexes are calculated excluding uninformative characters.