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Codium laminarioides Harv.

Reference
Trans.Roy.Irish Acad. 565 (1855)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current
1000 km
Leaflet Map data © OpenStreetMap contributors

Scientific Description

Habit and structure. Thallus medium green, with a short, terete stipe (to 12 mm long) expanding to a flat, felt-like frond 1.5–2 mm thick, to 80 cm broad and 40 cm long, simple or once furcate, irregularly lobed. Utricles 65–200(–290) µm in diameter below apex, 470–800 µm long; apices rounded, thickened to 30 µm and lamellate; hairs (or scars) common. Medullary filaments 20–55 µm in diameter, much slenderer than utricle base, with prominent plugs adjacent to utricle base.

Reproduction. Gametangia elongate-ovoid to cylindrical, 40–90 µm in diameter, 170–250 µm long, 1–4 per utricle, borne on a slight protuberance from utricle.

Distribution. From Port Denison, W. Aust., to Pearson I., S. Aust.

Habitat. Usually a deep water species, collected from shallow areas (often in shade) to 30 m deep.

[After Womersley, Mar. Benthic Fl. Southern Australia I: 232–234 (1984)]

John Huisman & Cheryl Parker, 3 August 2021

Distribution

IBRA Regions
Jarrah Forest, Swan Coastal Plain.
IBRA Subregions
Perth, Southern Jarrah Forest.
IMCRA Regions
Central West Coast, Leeuwin-Naturaliste.
Local Government Areas (LGAs)
Augusta Margaret River, Busselton, Cockburn, Coorow, Cottesloe, Dandaragan, Irwin, Joondalup, Perth, Rockingham.