| Similarity | Rank | |
|---|---|---|
| 1899a | 0.957 | 92689 |
| verrill | 0.922 | 45082 |
| 1896c | 0.917 | 98425 |
| ophiacantha | 0.913 | 39626 |
| amphiura | 0.903 | 76242 |
| mortensen | 0.894 | 40486 |
| enopla | 0.883 | 62785 |
| ljungman | 0.881 | 76174 |
| 1933a | 0.872 | 67240 |
| lyman | 0.854 | 28347 |
| ophiomitrella | 0.849 | 73851 |
| sub-community | 0.847 | 36626 |
| ophiura | 0.842 | 74006 |
| rubra | 0.841 | 44699 |
| stolonifera | 0.833 | 76974 |
| ovina | 0.833 | 65054 |
| ophiotrema | 0.830 | 80263 |
| maritima | 0.827 | 32058 |
| ophioprium | 0.825 | 61525 |
| armeria | 0.820 | 77283 |
| saxatile | 0.818 | 86953 |
| holcus | 0.817 | 83798 |
| agrostis | 0.817 | 52074 |
| festuca | 0.817 | 41231 |
| ophiolebes | 0.814 | 73857 |