About Halimeda Macroalgae

P. sanctae-crucis Image & Info
From John Rice's Algae Gallery page, a close-up snapshot and general information about the brown macroalgae species Padina sanctae-crucis, the equivalent to the green Halimeda sp.

Chlorophyta Phylum - Part 3: Halimeda sp.
From your About Guides Chlorophyta Phylum article series, Part 3 covers identification, characteristic and care information about calcareous green macroalgae - Halimeda species.

H. incrassata Image
From the National Museum of Natural History, Smithsonian Institution's Chlorophyta Algae Classification page, a photo view of the Halimeda incrassata species.

H. opuntia Image & Info
From John Rice's Algae Gallery page, a close-up snapshot and general information about his Green Macroalgae species - Halimeda opuntia.

H. tuna Image
From the University of Catania Botanical Department Chlorophyta Images Index, a photo view and some basic classification info about the Halimeda tuna species.

Halimeda Calcareous Algae Info
From the A. Thiel Marine Infobase Library, an informational message exchange about the H. discoidea and H. opuntia species to learn more about them.

Halimeda Images
From the Living Reef Images Chlorophyta pages, photo images of various species of Halimeda with some general information about them.

Calcified Green Algae
From the National Museum of Natural History, Smithsonian Institution Green Algae page, a general overview about green algae with specific mention of calcified Halimeda spp. and the contribution they make to marine sediments.

Caribbean Sea Urchin
From the Institute of Marine Biology of Crete, some basic information about the Caribbean Sea Urchin, Clypeaster rosaceus, that is a natural predator of calcareous Halimeda spp.