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Service Notice

The Western Australian Herbarium’s collections management system and census were set to read-only mode on 1 October 2025. Taxonomic updates published since this time are not being reflected in Florabase, herbarium collections, or Western Australia’s taxonomic names census (Nomos). Conservation listings displayed on Florabase may also be out of date. Please refer to DBCA’s Threatened species and communities webpage for the most recent Threatened and Priority Flora List, noting that recent taxonomic updates are similarly not included. Our database migration is moving to a staging phase. We thank you for your patience as we ensure the integrity of our biodiversity data, develop new workflows, and train staff to use the new systems. Please reach out to us if you have any questions or concerns.

The notice period started at 12:00 pm on Wednesday, 1 October 2025 +08:00 and will end at 12:00 pm on Friday, 1 January 2027 +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.