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. The project team is now conducting testing of the migrated data, and a further update will be provided by the end of the financial year (1 July). 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 Wednesday, 1 July 2026 +08:00.

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Chaetomorpha antennina (Bory) Kütz.

Reference: Bot.Zeitung (Berlin) 5:166 (1847)
Conservation Code: Not threatened
Naturalised Status: Native to Western Australia
Name Status: Current

Scientific Description

Habit and structure. Thallus green, stiff, erect (but lying prostrate when exposed), tufted, to 5.5 cm in length, composed of clustered unbranched filaments. Basal cell clavate, formed from fusion of original basal cell with distal cells, slightly annulate and sometimes curved, to 6 mm long and 500 µm in diameter, other cells cylindrical, 400–500 µm in diameter, L:B 1.5–2.5.

Distribution. Widespread in tropical seas, extending to the subtropics.

Distribution

IMCRA Regions: Pilbara (offshore).
Local Government Areas (LGAs): Ashburton.