- Conservation Code
- Not threatened
- Naturalised Status
- Native to Western Australia
- Name Status
- Current
Scientific Description
Habit and structure. Thallus grey-green to dark green, spreading laterally to 35–40 cm, with an open spreading habit, occasionally forming extensive carpets; stolons terete, 1.5–2.5 mm diam. Rachis ±terete, branched, to 12 cm tall, 1.5–2.5 mm diam., occasionally naked near the base, above this region with short upwardly directed spinous ramuli in 2–4 ranks, the ramuli longer distally (to 2.5 mm).
Distribution. Widely distributed in tropical seas; in W.A. south to Rottnest Island.
Habitat. Occurs in the shallow subtidal, associated with sandy or silty substrata.
[After Belton, Huisman & Gurgel, Algae of Australia: Mar. Benthic Algae of North-western Australia, 1. Green and Brown Algae 83 (2015)]
Distribution
- IBRA Regions
- Geraldton Sandplains.
- IBRA Subregions
- Geraldton Hills.
- IMCRA Regions
- Abrolhos Islands, Leeuwin-Naturaliste, Ningaloo, Pilbara (nearshore), Pilbara (offshore).
- Local Government Areas (LGAs)
- Carnarvon, Cockburn, Greater Geraldton, Irwin, Karratha.