Sonder, O.W. (1845), Nova Algarum genera et species, quas in itinere ad oras occidentales Novae Hollandiae, collegit L. Preiss, Ph.Dr. Botanische Zeitung 3: 50 [tax. nov.]

• Type locality: No type statement is found in Sonder 1845.

Trevisan de Saint-Leon, V.B.A. (1849), Caulerpearum sciagraphia. Linnaea 22: 139 [basionym]

basionym of: Chauvinia obscura (Sond.) Trevis. legitimate

Huisman, J.M. (2000), Marine Plants of Australia: - [secondary reference]

nomenclatural synonym: Chauvinia obscura (Sond.) Trevis. legitimate taxonomic synonym: Caulerpa obscura f. sonderi (F.Muell.) Weber Bosse legitimate taxonomic synonym: Caulerpa sonderi F.Muell. legitimate taxonomic synonym: Caulerpa superba Grev. legitimate taxonomic synonym: Caulerpa abies Aresch. legitimate

• APC Comment: ABRS (2011) uses this taxon concept.

ABRS (2011), Australian Algal Name Index Edn. 2011: - [secondary reference]

• Comment: Sonder 1846 Algae In Lehmann 'Plantae Preissianae': 150 states "Ad litus Novae Hollandiae occidentale. Herb Preiss. No. 2483." Womersley 1984:265 states 'Type not in MEL.'.
• AMANI dist.: Victoria (Flindersian), Tasmania (Flindersian), South Australia (Flindersian), Western Australia (Flindersian, Houtman Abrolhos).

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