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Australian Systematic Botany Australian Systematic Botany Society
Taxonomy, biogeography and evolution of plants
RESEARCH ARTICLE

A taxonomic revision of the marine green algal genera Caulerpa and Caulerpella (Chlorophyta, Caulerpaceae) in northern (tropical and subtropical) Australia

Ian R. Price
+ Author Affiliations
- Author Affiliations

Department of Botany, James Cook University, Townsville, Qld 4811, Australia and School of Biological Sciences, Monash University, Vic. 3800, Australia. Present address: 510 Garden Street, Albury, NSW 2640, Australia. Email: ianprice@tpg.com.au

Australian Systematic Botany 24(3) 137-213 https://doi.org/10.1071/SB10033
Submitted: 21 July 2010  Accepted: 29 March 2011   Published: 31 August 2011

Abstract

A detailed taxonomic revision of the siphonous marine green algal genus Caulerpa J.V.Lamour. (1809a) in northern (tropical and subtropical) Australia, covering mainland shores, continental islands, coral reefs and offshore territories, is presented. Sixteen species and 10 varieties of Caulerpa are described and illustrated. One variety, C. cupressoides var. urvilleana (Mont.) I.R.Price is a new combination. A lectotype is proposed for C. racemosa (Forssk.) J.Agardh var. macrodisca (Decne) Weber Bosse. One species of Caulerpaceae long included in Caulerpa, but more recently placed in a separate genus, Caulerpella, as C. ambigua (Okamura) Prud’homme & Lokhorst, is also treated for completeness. The present publication will complement Womersley’s (1984) account of southern Australian taxa of Caulerpa.

Additional keywords: distribution, habitat, molecular genetics, morphology, nomenclature, plasticity, taxonomy.


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