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Service Notice

The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s flora taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not currently being reflected in Florabase, herbarium collections, or the census. Due to the rapidly approaching holiday season and associated agency and facility soft closures, along with the substantial work involved in data mapping, cleaning, and verification, the migration to the new collection management software is not expected to occur before 1 March 2026, when a further update will be provided. Please reach out to us if you have any questions or concerns.

The notice period started at 9:45 am on Friday, 12 December 2025 +08:00 and will end at 12:00 pm on Monday, 2 March 2026 +08:00.

Caulerpa cylindracea Sond.

Reference
Bot.Zeitung (Berlin) 3:50 (1845)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Scientific Description

Habit and structure. Thallus grass-green, spreading laterally to 50 cm, with naked stolons 1–2 mm diam. attached by short pillars with clustered rhizoids. Assimilators terete to slightly compressed, rarely branched, to 2–7 (–10) cm tall. Ramuli radially to ±distichously arranged (alternate to opposite), clavate, 4–6 mm long and 1–2 mm diam. near the apices, terete or slightly compressed.

Distribution. Occurs in Australia, Papua New Guinea and New Caledonia. In W.A. found south to Esperance.

Habitat. Epilithic or growing in sand. Invasive in the Mediterranean Sea and southern Australia..

[After Belton, Huisman & Gurgel, Algae of Australia: Mar. Benthic Algae of North-western Australia, 1. Green and Brown Algae 87 (2015)]

John Huisman and Cheryl Parker, 3 August 2021

Distribution

IBRA Regions
Dampierland, Geraldton Sandplains, Swan Coastal Plain.
IBRA Subregions
Geraldton Hills, Perth, Pindanland.
IMCRA Regions
Abrolhos Islands, Canning, Central West Coast, Kimberley, Leeuwin-Naturaliste, Pilbara (nearshore).
Local Government Areas (LGAs)
Broome, Cockburn, Cottesloe, Fremantle, Greater Geraldton, Irwin, Karratha, Port Hedland, Rockingham, Wanneroo, Wyndham-East Kimberley.