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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 Conservation listings displayed on Florabase may also be out of date.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.

Codium fragile (Suringar) Har.

Reference
Miss.Sci.Cape.Horn,Bot. 32-33 (1889)
Conservation Code
Not threatened
Naturalised Status
Alien to Western Australia
Name Status
Current

Scientific Description

Habit and structure. Thallus medium to dark green, erect, terete, repeatedly subdichotomously and often laterally branched, 5–30 cm high, attached by a broad, spongy, basal disc, relatively soft, often tomentose with profuse hairs. Utricles cylindrical to slightly clavate, (70–)130–330 µm in diameter, (700–)1000–1450(–1750) µm long; apices pointed and thickened forming a mucro to 75 µm long; hairs stout, abundant, 50–100 µm in diameter. Medullary filaments 25–50 µm in diameter, with a plug adjacent to utricle base.

Reproduction. Gametangia elongate-ovoid to cylindrical, 90–130 µm diameter and 260–450 µm long, 1–4 per utricle, borne on a slight protuberance.

Distribution: Albany, W.Aust., and from Victor Harbor, S. Aust., to Ballina, N.S.W. and around Tas.

Habitat. In the lowest eulittoral and uppermost sublittoral.

[After Womersley, Mar. Benthic Fl. Southern Australia I: 238–240 (1984)]

John Huisman & Cheryl Parker, 3 August 2021

Distribution

IBRA Regions
Swan Coastal Plain.
IBRA Subregions
Perth.
IMCRA Regions
WA South Coast.
Local Government Areas (LGAs)
Albany.