| potamogeton alpinus(expression, species, plant, flora) |
| potamogeton pectinatus(expression, species, plant, flora) |
| red algae(expression, species, plant, flora) |
| red algae seaweed(expression, species, plant, flora) |
| rhodophyta(noun, species, plant, flora) |
| rocky outcrop(expression, feature, bottom, layer) |
| sand bottom(expression, feature, bottom, layer) |
| schmitzia hiscockiana(expression, species, plant, flora) |
| sea cucumber(expression, animal, fauna, species) |
| sea lettuce(expression, species, plant, flora) |
| sea otter(expression, animal, fauna, species) |
| sea star(expression, animal, fauna, species) |
| seamount(noun, feature, area, zone) |
| shellfish(noun, animal, fauna, species) |
| sponge weed(expression, species, plant, flora) |
| spongomorpha aeruginosa(expression, species, plant, flora) |
| star fish(expression, animal, fauna, species) |
| stuckenia(noun, species, plant, flora) |
| submarine canyon(expression, feature, area, zone) |
| thalassia testudinum(expression, species, plant, flora) |