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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 Conservation listings displayed on Florabase may also be out of date.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 vesiculifera (Harv.) Harv.

Reference
Phycol.Austral. lvi (1863)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Scientific Description

Habit and structure. Stolon moderately robust, (1–)2–3 mm in diameter, naked, epilithic. Erect fronds medium to dark green with simple or often with several times branched axes, usually 8–25(–35) cm high and 3–5 mm across, with axes 1–2 mm in diameter densely covered to their bases with vesiculate ramuli, 7–9 around the axes. Ramuli with a slight to conspicuous, broadly conical, pedicel from the axis, ovoid above the constriction (1–)1.5–2.5 mm long and 0.7–1.5mm in diameter.

Distribution. From Shark Bay, W. Aust., to Phillip I., Vic., and the N coast of Tas.

Habitat. In rock pools and the upper sublittoral on rough-water coasts, recorded to 25 m deep.

[After Womersley, Mar. Benthic Fl. Southern Australia I: 272 (1984)]

John Huisman & Cheryl Parker, 3 August 2021

Distribution

IBRA Regions
Esperance Plains, Swan Coastal Plain.
IBRA Subregions
Perth, Recherche.
IMCRA Regions
WA South Coast.
Local Government Areas (LGAs)
Esperance, Rockingham.