1. NOS/NOAA, Center for Coastal Fisheries and Habitat Research, 101 Pivers Island Road, Beaufort, North Carolina 28516, USA
2. Department of Botany, United States National Herbarium, Smithsonian Institution, 4210 Silver Hill Road, Suitland, Maryland 20746, USA
3. Laboratoire Des Micro-Algues Toxiques, Institut Louis Malardé, BP 30 98713 Papeete, Tahiti
4. Tropical Marine Science Institute, 14 Kent Ridge Road, National University of Singapore, Singapore 119223