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The green feather alga, Caulerpa sertularioides, is among approximately 35 species and varieties of Caulerpa found in the Caribbean and western Atlantic Oceans (Littler & Littler 2000). The alga obtains its name from the feather-like fronds rising from a common stolon. Each frond is upright, branched and light to dark green in color (Littler & Littler 2000, Littler et al. 2008, Taylor 1979). Branchlets are opposite, cylindrical and needle-shaped with upcurved or straight apices or tips that are bluntly pointed. Each branchlet, measuring 180-330 ¦#181;m in diameter and 3-11 mm long, is connected to a central, cylindrical axis measuring 1.0-1.5 mm in diameter. These axes connect each frond to a creeping stolon, 2.0-2.5 mm in diameter and up to 2 m long. Stolons branch to slender points and rhizoids stem from the ventral or bottom surface of each stolon to hold the alga to the substrate.


Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© Smithsonian Marine Station at Fort Pierce

Source: Indian River Lagoon Species Inventory

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