An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Caulerpa, Mediterranean Clone

Scientific Name

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

Common Name

Caulerpa, Mediterranean clone; Killer algae

Native To

Native to several tropical and sub-tropical regions of the world (Wright 2005)

Date of U.S. Introduction
Means of Introduction

Aquarium trade (Diaz et al. 2012)


Crowds out native species (Woodfield 2008)

Caulerpa, Mediterranean clone

Mediterranean clone of caulerpa, plants


Photo by Rachel Woodfield; Merkel & Associates, Inc.

Find more images

Distribution / Maps / Survey Status

Federally Regulated

  • Noxious Weeds Program

    • 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.

Council or Task Force
Federal Government
International Government