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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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Colaconema hallandicum (Kylin) Afonso-Carr., M.Sansón, Sangil & Díaz-Villa

Reference
Bot.Mar. 50:121 (2007)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Scientific Description

Habit and structure. Thallus epiphytic, to 1 mm tall, arising from the persistent original spore that remains as a unicellular base the same size or slightly larger than other cells. Filaments erect, moderately and irregularly branched, tapering towards the apices. Cells terete, 13–20 µm long, 3–4 µm diam. [L:B 2–5], each with a parietal lobed plastid and a single pyrenoid. Monosporangia ellipsoidal, 9–11 µm long, 5–7 µm diam., arising singly or in pairs, sessile or stalked.

Reproduction. Monosporangia ellipsoidal, 9–11 µm long, 5–7 µm diam., arising singly or in pairs, sessile or stalked.

Distribution. Known from the Sargasso Sea, the Atlantic coast of North America, Europe, the Canary Islands and north-western Australia.

[After J.M. Huisman & W.J. Woelkerling in Algae of Australia: Marine Benthic Algae of North-western Australia, 2. Red Algae: 26–27 (2018)]