1. Smithsonian Marine Station, Fort Pierce, Florida 34949, USA
2. Instituto de Biociências, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS 90650-001, Brazil
3. Department of Ecology and Evolutionary Biology, University of Michigan Herbarium, Ann Arbor, Michigan 48108, USA
4. Excellence Center for Biodiversity of Peninsular Thailand, Science Faculty, Prince of Songkla University Hat Yai campus, Songkhla 90110, Thailand
5. Departamento de Biología Marina, Universidad Autónoma de Yucatán, Mérida 97000, Mexico
6. Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas, Departamento de Botánica, Ciudad de Mexico 11340, Mexico
7. Centro de Investigaciones Marinas, Universidad de la Habana, Miramar, La Habana 11300, Cuba
8. Department of Biology, University of Louisiana at Lafayette, Lafayette, Louisiana 70504-2451, USA