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Service Notice

The Western Australian Herbarium’s collections management system and census were set to read-only mode on 1 October 2025. Taxonomic updates published since this time are not being reflected in Florabase, herbarium collections, or Western Australia’s taxonomic names census (Nomos). Conservation listings displayed on Florabase may also be out of date. Please refer to DBCA’s Threatened species and communities webpage for the most recent Threatened and Priority Flora List, noting that recent taxonomic updates are similarly not included. Our database migration is moving to a staging phase. We thank you for your patience as we ensure the integrity of our biodiversity data, develop new workflows, and train staff to use the new systems. Please reach out to us if you have any questions or concerns.

The notice period started at 12:00 pm on Wednesday, 1 October 2025 +08:00 and will end at 12:00 pm on Friday, 1 January 2027 +08:00.

Bryopsis macraildii Womersley

Reference
Mar.Benth.Fl.S.Australia 276-278, figs 93 c-e, 94 c-d (1984)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Scientific Description

Habit and structure. Thallus delicate, usually much branched, (2–)3–6(–8) cm high, axes and laterals naked or not below, simple or branched, arising from a branched rhizoidal system, epilithic or on shells; mature plants with 3–4 orders or branching, branches lanceolate in outline. Axes and laterals radially branched, ramuli simple or with 1–2 laterals, regularly and fairly densely arranged but separated by two to several times their basal width, denuded below with scars slightly to moderately conspicuous above, becoming inconspicuous. Axes 0.5–1 mm in diameter, laterals 130–200 µm in diameter, ramuli 0.5–1 mm long and 70–110 µm in diameter below, scarcely or distinctly tapering (to 40 µm near tips) and with rounded ends.

Reproduction. Unknown.

Distribution. From Rottnest I., W. Aust., to Port Phillip, Vic.

Habitat. Generally in shallow water on platforms.

[After Womersley, Mar. Benthic Fl. Southern Australia I: 276–278 (1984)]

John Huisman & Cheryl Parker, 3 August 2021

Distribution

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