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Service Notice

The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not reflected in Florabase, herbarium collections, or in the census. We are hoping to be able to reinstate services around December 15; we will provide an update at that time.

The notice period started at 9:00 am on Wednesday, 1 October 2025 +08:00 and will end at 12:00 pm on Monday, 15 December 2025 +08:00.

Caulerpa verticillata J.Agardh

Reference
Öfvers.Kongl.Vetensk.-Akad.Förh. 4:6 (1847)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Scientific Description

Habit and structure. Thallus green, spreading laterally to 9 cm, forming dense low turfs or mats, with smooth terete stolons 250–300 μm diam., attached to the substratum by rhizoids 20–30 μm diam. Rachis 1–5 cm tall, 140–180 μm diam., bearing loosely whorled terete ramuli 2.5–3.0 mm long and 5–6 times dichotomously branched. Ramuli 75–90 μm diam. near the base, tapering gradually to 25–30 μm near the obtuse or pointed and often closely forked apices.

Distribution. Widely distributed in warmer waters of the Indian and Pacific Oceans and the Caribbean Sea.

Habitat. Epilithic on sand-covered rock in the shallow subtidal.

[After Belton, Huisman & Gurgel, Algae of Australia: Mar. Benthic Algae of North-western Australia, 1. Green and Brown Algae 100 (2015)]

John Huisman and Cheryl Parker, 3 August 2021

Distribution

IBRA Regions
Dampierland, Indian Tropical Islands, Pilbara.
IBRA Subregions
Pindanland, Roebourne.
IMCRA Regions
Canning, Kimberley, Pilbara (nearshore), Pilbara (offshore).
Local Government Areas (LGAs)
Broome, Karratha, Wyndham-East Kimberley.