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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. 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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Microdictyon okamurae Setch.

Reference
Univ.Calif.Publ.Bot. 13:107 (1925)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Scientific Description

Habit and structure. Thallus medium to dark olive green, to 3.5 cm tall, with several loosely organized complanate blades with ragged margins. Blades reticulate, formed by much-branched, anastomosing filaments, these 190–250 µm in diameter, 485–630 µm long and bearing up to 5 branches per node. Adhesion of filaments to target filaments by digitate processes. Cells with a reticulum of plastids, with numerous spherical pyrenoids 2–3 µm in diameter.

Distribution. Widespread in tropical waters of the Indo-Pacific.

Habitat. Epilithic.

John Huisman & Cheryl Parker, 3 August 2021

Distribution

IBRA Regions
Swan Coastal Plain.
IBRA Subregions
Perth.
Local Government Areas (LGAs)
Cockburn.