Codium australasicum
Codium australasicum is a species of seaweed in the "Codiaceae" family. The erect dark green thallus typically grows to a height of . It is repeatedly dichotomous and has terete branches. It is found in sublittoral zones in rough shaded waters to in depth. In Western Australia is found along the coast in two places; near Rockingham and Albany. Its range extends around southern Australia, including Tasmania to Tuggerah in New South Wales as well as on the coast of New Zealand.