IMCRA Regions: Bruny, Otway.
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)]
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Western Australian Herbarium (1998–). FloraBase—the Western Australian Flora. Department of Biodiversity, Conservation and Attractions. https://florabase.dpaw.wa.gov.au/