Algae on Hawaiian coast (IMAGE) University of Hawaii at Manoa Caption Hawaiian coasts can have abundances of highly-prized, native limu, or macroalgae. This favorite site has a ready supply of limu palahalaha, or Ulva lactuca, as a reward for limu pickers who trek to this relatively unimpacted Oʻahu coastline. Credit Bill Thomas Usage Restrictions Image may only be used with appropriate caption and credit information. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.