| ceramium secundatum | | saint helena: inaccessible, off tom`s beach | | 1776323767 |
| ceramium secundatum | | saint helena: nightingale, east landing | | 1776323569 |
| ceramium secundatum | | saint helena: tristan, west of harbour, pools | | 1776323553 |
| ceramium secundatum | | saint helena: tristan, west of harbour, pools | | 1776323473 |