1, species: kelp seedlings are plants of the kelp family, kelp genus. Wakame is a plant of the winged algae family.

2, distribution areas: kelp seedlings are mainly distributed in the Atlantic coastal areas. Wakame is distributed in most parts of the world.

3, appearance. Kelp seedling is a flat band, the color is mostly black-green. Wakame is skirt-shaped, pinnate lobes at the edge, and thinner, the color is bright green.