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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.

Codium perriniae A.H.S.Lucas

Reference
Proc.Linn.Soc.New South Wales 203 (1935)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Scientific Description

Habit and structure. Thallus firm, medium green, pulvinate to lobed, to 2 cm high and 2–8(–12) cm across. Utricles in small clusters, irregularly cylindrical to slightly clavate, 130–240 µm in diameter near apices, to 375 µm in diameter somewhat below apices, 900–1700 µm long; utricle wall at apex thickened to form a moderate to prominent, lamellate, galeate cap (to 60 µm thick); hairs absent. Medullary filaments 26–60 µm in diameter, without plugs.

Reproduction. Gametangia fusiform, 65–100 µm in diameter, 370–450 µm long.

Distribution. From Cliff Head, W. Aust., to Sorrento, Vic., and the north coast of Tas.

Habitat. Occurs in the upper sublittoral in pools on rock platforms and to 32 m deep, usually on rough-water coasts.

[After Womersley, Mar. Benthic Fl. Southern Australia I: 228 (1984)]

John Huisman & Cheryl Parker, 3 August 2021

Distribution

IMCRA Regions
Central West Coast, Leeuwin-Naturaliste, WA South Coast.
Local Government Areas (LGAs)
Cockburn, Esperance, Irwin.