Table 2.
Composition of the two data sets.
| Taxonomic unit | all | 16S rRNA | 23S rRNA | Group I | Group II |
| Data set A | |||||
| Archea | 28 | 22 | 6 | 0 | 0 |
| Bacteria | 277 | 232 | 45 | 0 | 0 |
| Eukaryotes | 41 | 35 | 6 | 0 | 0 |
| Chloroplasts | 6 | 6 | 0 | 0 | 0 |
| Mitochondria | 9 | 9 | 0 | 0 | 0 |
| Sum | 361 | 304 | 57 | 0 | 0 |
| Data set B | |||||
| Eukaryotes | 15 | 0 | 0 | 15 | 0 |
| Bacteria | 5 | 0 | 5 | 0 | 0 |
| Chloroplasts | 5 | 0 | 5 | 0 | 0 |
| Mitochondria | 23 | 0 | 17 | 0 | 6 |
| Sum | 48 | 0 | 27 | 15 | 6 |