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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.

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Caulerpa urvilleana Mont.

Reference
Voy.Pôle Sud Pl.Cell. 1:21-22 (1845)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Scientific Description

Habit and structure. Thallus grass-green to dark green, often with straw-coloured tips, with smooth stolons 1.5–2.5 mm diam., attached by pillars 1–2 cm long with clustered rhizoids. Assimilators to 5–7 cm tall, with a smooth terete stalk 1.5–3.0 cm long and 2–3 mm diam., distally richly dichotomously to irregularly branched. Rachis to 1 mm wide, bearing short perpendicular ramuli in 2 or 3 ranks, these essentially wart-like protuberances with pointed tips.

Distribution. Occurs in tropical waters of the Indo-West Pacific Ocean; in W.A. known from the Dampier Archipelago.

[After Belton, Huisman & Gurgel, Algae of Australia: Mar. Benthic Algae of North-western Australia, 1. Green and Brown Algae 99 (2015)]