Halimeda discoidea is a species of calcareous green algae in the order Bryopsidales.

[1] It is commonly known as Money Plant due to its appearance and is usually found in the tropics.

[2] Halimeda discoidea is a green colored segmented and calcified alga.

[5] This species can be found attached to hard bottoms like reef and rocky surfaces anywhere in between 3–100 ft.[2] This alga grows better with high light intensity but it is still capable of growing with low light leves.

[3] Halimeda discoidea is found widely across the tropical ocean of the world, including the Hawaiian Islands.