Table 2. Sequence and length polymorphisms for known miRNAs in O. europaea.
| miRNA family | Sequence (5′-3′) | Size | Juvenile | Adult |
| miR156/157 | UUGACAGAAGAUAGAGAGCGC | 21 | N | 1 |
| miR159 | UUUGGAUUGAAGGGAGCUCUA | 21 | 109 | 4 |
| UUCGGAUUGAAGGGAGCUCUA | 21 | 1 | 0 | |
| UUUGGAUUGAAGGUAGCUCUA | 21 | 1 | 0 | |
| UUGGUAUUGAAGGGAGCUCUA | 21 | 1 | 0 | |
| UUUGGAUUGAAGGGAGCUUUA | 21 | 2 | 0 | |
| UUUUGGAUUGAAGGGAGCUCUA | 22 | 1 | 0 | |
| CUUUGGAUUGAAGGGAGCUCUA | 22 | 1 | 0 | |
| UUUGGAUUGAAGGGAGCUCUAA | 22 | 1 | 0 | |
| UUUGGAUUGAAGGGAGCUCU | 20 | 4 | 0 | |
| UUGGAUUGAAGGGAGCUCUA | 20 | 3 | 0 | |
| UUUGGAUUGAAGGGAGCU | 18 | 8 | 0 | |
| miR160 | UGCCUGGCUCCCUGUAUGCCA | 21 | 3 | 2 |
| miR164 | UGGAGAAGCAGGGCACGUGCA | 21 | 8 | 1 |
| UGGAGAAGCAGGGUACGUGGA | 21 | 2 | 0 | |
| UGGAGAAGCAUGGCACGUGCA | 21 | 1 | 0 | |
| miR166 | UCGGACCAGGCUUCAUUCCCC | 21 | 1 | 0 |
| UCGGACCAGGCUUCAUUCCUC | 21 | 2 | 0 | |
| UCUCGGACCAGGCUUCAUUCC | 21 | 1 | 0 | |
| UCGGACCAGGCUUCAUUCC | 19 | 0 | 1 | |
| UCGGACCAGGCUUCGUUC | 18 | 0 | 2 | |
| miR166* | GGAAUGUUGGCUGGCUCGAGG | 21 | 1 | 0 |
| GGAAUGUUGUCUGGCUCGAGG | 21 | 0 | 1 | |
| GGAAUGUUGGCUGGCUCGAGGC | 22 | 1 | 2 | |
| miR167 | UGAAGCUGCCAGCAUGAUCUA | 21 | 2 | 1 |
| UGAAGCUGCCAGCGUGAUCUA | 21 | 1 | 0 | |
| UGAAGCUGCCAGCAUGAUCUGG | 22 | 2 | 0 | |
| UGAAGCUGCCAGCAUGAUC | 19 | 13 | 1 | |
| UAAAGCUGCCAGCAUGAU | 18 | 1 | 0 | |
| miR168 | UCGCUUGGUGCAGGUCGGGAA | 21 | 7 | 1 |
| CGCUUGGUGCAGGUCGGGAAC | 21 | 1 | 0 | |
| miR168* | CCCGCCUUGCAUCAACUGAAU | 21 | 1 | 0 |
| miR171 | UGAUUGAGCCGUGCCAAUAUC | 21 | 1 | 0 |
| miR172 | AGAAUCUUGAUGAUGCUGCAU | 21 | 1 | 0 |
| AGAAUCCUGAUGAUGCUGCAU | 21 | 1 | 0 | |
| miR390 | AAGCUCAGGAGGGAUAGCGCC | 21 | 0 | 1 |
| AGCUCAGGAGGGAUAGCGCC | 20 | 2 | 0 | |
| miR396 | UUCCACAGCUUUCUUGAA | 18 | 4 | 0 |
| miR396* | GUUCAAGAAAGCUGUGGGACA | 21 | 1 | 0 |
| miR482 | UCUUACCAAUGCCUCCCAUCCC | 22 | 1 | 0 |
| UUUCCUAUUCCUCCCAUACCGA | 22 | 0 | 2 | |
| miR845 | AGGCUUUGAUACCACUUG | 19 | 2 | 0 |
| miR858 | UUCGUUGUCUGUUCGACCUUA | 21 | 3 | 1 |
| miR894 | UGUUUCACGUCGGGUUCACCA | 21 | 1 | 0 |
| miR1310 | GAGGCAUCGGGGGCGCAA | 18 | 1 | 0 |
| miR2911 | GCGGCCGGGGGACGGACUGGG | 21 | 1 | 0 |
| CUGGCCGGGGGACGGACUGGGA | 22 | 1 | 0 | |
| GUGGCCGGGGGACGGACUGGGA | 22 | 1 | 0 | |
| UCGGCCGGGGGACGGACUGGGA | 22 | 0 | 1 | |
| GCCGGGGGACGGACUUGGA | 19 | 2 | 0 | |
| miR4342 | CUAAGGAUGUAGGGUGGU | 18 | 1 | 0 |
The number of times a sequence was sampled in juvenile and adult shoots is indicated. (N) denotes miRNAs detected by Northern blot hybridization using sequence-specific probes. Up to three mismatches were allowed with respect to the canonical miRBase sequence.