Ascophyllum nodosum — more commonly known as rockweed — is an intertidal seaweed that grows along our rocky Maine coast. This innocuous-looking brown alga serves as habitat and food for more than one hundred species of fish, crustaceans, and birds. It is also harvested for human food, fertilizer, and other value-added products. Currently, rockweed harvest is a read more Rockweed: Habitat, “manure” or bovine Viagra?