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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 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.