Is one of the many species known as mermaid's wineglass, is a form of green alga generally found in shallow tropical seas. It can be found growing in great abundance along stretches of the overseas highway to Key West, Florida bordering on Florida Bay, Bermudas and Cuba. It has been used in some important research on nuclear and cytoplasmic relationships. During its life cycle it has one large nucleus.

Download PDF from Algaebase

Bailey, G.P., Cox, E.R. & Rezak, R. (1976). Morphological variability in the marine green alga Acetabularia crenulata Lamouroux (Dasycladaceae, Dasycladales). Phycologia 15: 19-23.

Terborgh, J. & Thimann, K.V. (1964). Interactions between daylength and light intensity in the growth and chlorophyll content of Acetabularia crenulata. Planta 63: 83-98.

Terborgh, J.W. & Thimann, K.V. (1965). The control of development in Acetabularia crenulata by light. Planta 64: 241-253.