IMCRA Regions: Leeuwin-Naturaliste, Pilbara (nearshore).
Local Government Areas (LGAs): Ashburton, Cockburn, Greater Geraldton.
Habit and structure. Thallus usually grey-green, rarely pale green, hemispherical or irregularly shaped, often flattened, very tough, to 15 mm diam., composed of large cells 1.0–1.5 mm diam., solid when mature. Adjacent cells attached to each other by rows of markedly smaller hapteroid cells at segment junctions. Spinous trabeculae present on the inner cell walls.
Distribution. Widely distributed in the tropical Indo-Pacific. In W.A. south to the Houtman Abrolhos Islands.
Habitat. Epilithic in the intertidal and shallow subtidal, often in small clusters.
[After Huisman & Leliaert, Algae of Australia: Mar. Benthic Algae of North-western Australia, 1. Green and Brown Algae 59 (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/