Types of Sea Vegetables

Alaria esculenta, also known as winged kelp or wild Atlantic wakame, is a cold-water brown seaweed characterized by a central midrib and reproductive "wings" at its base. It is rich in protein, vitamins, minerals, and bioactive compounds.

Bladderwrack (Fucus vesiculosus) is an olive-green, North Atlantic, brown seaweed, easily recognized by its prominent midrib and distinctive paired air bladders. It plays a vital role in the coastal ecosystem by providing shelter for marine life and helping to buffer against coastal erosion. Rich in iodine, minerals, and beneficial polysaccharides like fucoidan, bladderwrack is traditionally used as a culinary seasoning, dietary supplement, and in therapeutic seaweed baths.

Dulse (Palmaria palmata) is a soft, reddish-purple, North Atlantic, red seaweed, known for its culinary history dating back over a thousand years to ancient Celtic and Icelandic cultures. Today, it is widely prized as a versatile sea vegetable with a savory, umami flavor profile that deepens as it dries. Popular as a healthy snack or seasoning, dulse is packed with essential minerals like potassium and iron, along with complete plant-based protein, and fiber.

Irish moss (Chondrus crispus) is a nutrient-rich red seaweed native to the North Atlantic with a long history of culinary and medicinal use. It is valued for its high mineral content and gel-forming carrageenan, which makes it a popular natural, vegan thickener in foods, soups, and skincare products. MCSV provides it in whole leaf, flaked, or powdered forms to support overall health and digestive wellness.

Sugar kelp (Saccharina latissima) is a large, brown seaweed, characterized by its long, strap-like fronds and frilly margins. Often considered the Atlantic equivalent to Pacific kombu, it gets its common name from the sweet mannitol powder that naturally coats its surface as it dries. It is valued for its rich umami flavor and mineral content, including its high levels of iodine.

Laver (Porphyra spp.) is a nutrient-dense, thin, red seaweed. Historically used in Welsh and Irish cuisine to make laverbread, this Atlantic relative of nori offers a rich, nutty flavor and is packed with protein, fiber, and essential minerals.

Rockweed (Ascophyllum nodosum) is a brown seaweed native to North Atlantic waters and characterized by its olive-green to yellow fronds with single air bladders. It forms essential intertidal marine habitats and is widely harvested for agricultural biostimulants, animal feed supplements, and alginate extractions. It is used culinarily as a seasoning bed while steaming lobsters, clams, and fish to impart a briny flavor, or added to broths to enhance nutrition and depth of flavor.

Sea lettuce (Ulva sp.) is a vibrant, multi-cellular green seaweed characterized by thin, ruffled, sheet-like fronds that resemble land lettuce. Naturally found attached to rocks in intertidal zones of the Atlantic, Sea lettuce is rich in essential minerals like calcium, iron, and magnesium giving it a bold flavor. It pairs well with strong flavors, such as sharp cheeses.

Truffle seaweed (Vertebrata lanosa) is a small, bushy red seaweed that grows almost exclusively as an epiphyte attached to rockweed in the North Atlantic. It contains methyl sulfide—the same organic compound responsible for the distinct aroma of white truffles—giving it a rich, earthy, and umami-packed flavor profile. Used as a gourmet seasoning for dishes like pasta, eggs, and seafood, it is hand-harvested in small quantities and best used with low heat to preserve its delicate aromatics.