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Caulerpa, Mediterranean Clone

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Caulerpa, Mediterranean clone
Scientific Name:

Caulerpa taxifolia (Vahl) C. Agandh (ITIS; name is accepted but unverified)

Common Name:

Caulerpa, Mediterranean clone; Killer algae

Mediterranean clone of caulerpa, plants - Photo by Rachel Woodfield; Merkel & Associates, Inc.
Native To:

Caulerpa taxifolia is widespread in tropical habitats; the Mediterranean clone may have originated in Australia (Jousson et al. 1998; Meusnier et al. 2001)

Date of U.S. Introduction:
Means of Introduction:

Aquarium trade (Woodfield 2008)


Crowds out native species (Woodfield 2008)

Distribution/Maps/Survey Status

Federally Regulated

  • USDA. APHIS. Plant Protection and Quarantine.

    Includes species listed as a Federal Noxious Weed under the Plant Protection Act, which makes it illegal in the U.S. to import or transport between States without a permit.


Selected Resources

The section below contains highly relevant resources for this species, organized by source. Or, to display all related content view all resources for Caulerpa, Mediterranean Clone.

Council or Task Force

Washington State Recreation and Conservation Office. Washington Invasive Species Council.

Aquatic Nuisance Species Task Force.


USDA. APHIS. PPQ. Center for Plant Health Science and Technology; California Department of Food and Agriculture.

IUCN. Species Survival Commission. Invasive Species Specialist Group.
Great Britain Non-Native Species Secretariat.

Federal Government

DOC. NOAA. National Marine Fisheries Service. West Coast Region.

Smithsonian Institution. Smithsonian Environmental Research Center. Marine Invasions Research Lab.
USDA. NRCS. National Plant Data Center.

International Government

Australian Government. Department of the Environment and Energy.


University of California - Riverside. Center for Invasive Species Research.

Columbia University. Center for Environmental Research and Conservation.
University of Florida. IFAS. Center for Aquatic and Invasive Plants.