Related Clues:

• Sort of seaweed
• Seaweed used as food
• Vitamin K source
• Sushi seaweed
• Seaweed that surrounds sushi
• Oceanic flora
• Source of the food thickener alginate
• Water bed?
• A large brown seaweed
• Large brown seaweed used for manure
• Type of seaweed
• Sea lettuce
• A seaweed
• Laminaria, for one
• Seaweed you can eat