noun
Scientific term for the class Phaeophyceae; used in biology and marine contexts.
褐藻類にはコンブやワカメが含まれる。
Brown algae include kelp and wakame.
Green algae; a different algal group, often found in freshwater as well as marine environments.
Compound of 褐 (katsu, 'brown') + 藻 (sō, 'algae') + 類 (rui, 'group, category').