| Scientific name | Fucus vesiculosus |
| Appearance | Brown marine algae with flat, elongated thalli, with air-filled vesicles in pairs along the branches, allowing buoyancy |
| Smell | Marine, iodized, moist, and slightly sulfurous |
| Color | Olive brown to dark brown, sometimes leaning towards green depending on conditions |
| Used parts | Whole thallus dried or fresh |
| Origins | Rocky coasts of the North Atlantic, the Baltic Sea, and the English Channel |
| Toxicity level | Moderate (rich in iodine, may affect the thyroid if overconsumed) |






















































































































































































































