1. Department of Botany, #3529–6270 University Blvd., University of British Columbia, Vancouver, BC V6T 1Z4, Canada
2. Biology Department & Herbarium, Coker Hall CB-3280, University of North Carolina, Chapel Hill, Chapel Hill, NC 27599-3280, USA
3. Division of Science and Mathematics, Hartnell College, Salinas, CA 93901, USA
4. Laboratorio de Estudios Algales (ALGALAB), Departamento de Oceanografía, Universidad de Concepción, Casilla 160-C, Chile
5. National Institute of Water and Atmospheric Research, Private Bag 14-901, Wellington 6241, New Zealand
6. School of Biological Sciences, University of Auckland, Private Bag 92-019, Auckland 1142, New Zealand