Codium fragile (Suringar) Har.
Miss.Sci.Cape.Horn,Bot. 32-33 (1889)

Conservation Code: Not threatened
Naturalised Status: Alien to Western Australia
Name Status: Current

Distribution

IMCRA Regions: Bruny, Otway, WA South Coast.

Local Government Areas (LGAs): Albany.

Scientific Description
John Huisman & Cheryl Parker, Thursday 8 September 2016

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)]