IMCRA Regions: Pilbara (nearshore).
Local Government Areas (LGAs): Karratha.
Habit and structure. Thallus grass-green to dark green, with smooth stolons 1–2 mm diam., attached by short pillars with clustered rhizoids. Rachis terete, unbranched or sparingly branched, to 5 cm tall and 3–4 mm diam. Ramuli crowded, unbranched, short, mammiform, ovoid, upcurved and often imbricate, 1–2 mm long and c. 1 mm wide, sharply pointed at the tips, randomly arranged or in 4 or more ranks.
Distribution. Widespread in tropical seas. In W.A. from the tropics south to Rottnest Island.
Habitat. Grows on sand in the intertidal and shallow subtidal.
[After Belton, Huisman & Gurgel, Algae of Australia: Mar. Benthic Algae of North-western Australia, 1. Green and Brown Algae 86 (2015)]
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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/