Related Clues:
- Brown seaweed with fluted leathery fronds
- Swiss ___ (leafy vegetable)
- Marine forest growth
- Leafy herb? The last thing this person has!
- White selection, briefly
- Green vegetable black, by the sound of it?
- Algae that grows into underwater 'forests'
- Radicchio relative
- Seaweed in forests
- Underwater forest filler
- Aquatic source of iodine
- Algae from half of lake unexplored up in the middle
- Large leathery brown seaweed
- Beginning to chop firm vegetable
- "Swiss" vegetable