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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 Conservation listings displayed on Florabase may also be out of date.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 cupressoides var. lycopodium Weber Bosse

Reference
Ann.Jard.Bot.Buitenzorg 15:335, Pl. XXVII: Figs 8-13, Pl. XXVIII: Figs 10-12, 14 (1898)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Scientific Description

Habit and structure. Thallus dark green, with smooth green to straw-coloured stolons 1–3 mm diam., attached to sandy substrata by pillars and dense rhizoidal filaments. Rachis simple or 3–4 times irregularly branched, to 7 cm tall; basal parts 2–3 mm diam., naked or with a few short ramuli; upper parts becoming more slender and bearing elongate ramuli in 2–4 ranks. Ramuli terete, 1.5–3.0 mm long [L:B 3–5 (–7)], not basally constricted, tapering gradually to an apical spine.

Distribution. Widespread in tropical to subtropical seas. In W.A. south to Ningaloo Reef.

Habitat. Grows on sand in the intertidal and shallow subtidal.

[After Belton, Huisman & Gurgel, Algae of Australia: Mar. Benthic Algae of North-western Australia, 1. Green and Brown Algae 86 (2015)]

John Huisman and Cheryl Parker, 3 August 2021

Distribution

IBRA Regions
Carnarvon.
IBRA Subregions
Cape Range.
IMCRA Regions
Canning, Central West Coast, Ningaloo, Pilbara (nearshore), Pilbara (offshore).
Local Government Areas (LGAs)
Ashburton, Broome, Exmouth, Irwin, Karratha.