Related Clues:

• Marine vegetation
• Large seaweeds with leathery fronds
• Instil respect in children for such plants
• Main plant source of alginates
• Kelvin needs Cockney's aid to find seaweed
• We eased (anag)
• Marine plant producing wonder in beginning
• 'Wrack' is Emerson, Lake and Palmer touching rock bottom
• Marine growth comes from small hard fruit -- there's wonder in that
• Common plant in the main?
• River was rising covering top of each water plant
• Main plant producing wonder in children
• Marine growth rich in iodine
• Brown algae
• From nickel, potential source of iodine