Comment:See also Silva et al 1996 Univ Calif Public Bot. 79:755. Womersley 2003 The Marine Benthic Flora of Southern Australia Pt IIID p. 499 lists this taxon as an adventive species.
AMANI dist.:South Australia (Flindersian), Queensland (Herald Cay). World: Mediterranean, tropical and subtropical coasts of Americas and the Indo-Pacific.