Possible Clues:

• Algae from half of lake unexplored up in the middle
• Cocktail with the Spanish paprika on top of brown seaweed
• Underwater forest makeup
• Large seaweed with long, tough stalks
• Underwater forest algae
• Underwater forest
• Part of an underwater forest
• ___ fries (Krusty Krab menu item)
• Seaweed burnt in the 18th and early 19th centuries to produce sodium carbonate for glass making
• Underwater plant with gas-filled bladders