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Service Notice

The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s flora taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not currently being reflected in Florabase, herbarium collections, or the census. Due to the rapidly approaching holiday season and associated agency and facility soft closures, along with the substantial work involved in data mapping, cleaning, and verification, the migration to the new collection management software is not expected to occur before 1 March 2026, when a further update will be provided. Please reach out to us if you have any questions or concerns.

The notice period started at 9:45 am on Friday, 12 December 2025 +08:00 and will end at 12:00 pm on Monday, 2 March 2026 +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)]