Chaetomorpha basiretrorsa Setch.
Univ.Calif.Publ.Bot. 12:72, Pl. 8, Figs 4-6 (1926)

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

Distribution

Beard’s Provinces: Eremaean Province.

IBRA Regions: Pilbara.

IBRA Subregions: Roebourne.

Local Government Areas (LGAs): Karratha.

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

Habit and structure. Thallus forming dense prostrate mats composed of stiff irregularly curved decumbent filaments attached by numerous rhizoidal branchlets, septate or non-septate. Cells (225-) 275–400 (–550) µm diam. [L:B 0.75–3 (–4)].

Distribution. Widespread in the Indian and Pacific Oceans.

Habitat. Generally epilithic in the high intertidal, on rock associated with sand.

[After Huisman & Leliaert, Algae of Australia: Mar. Benthic Algae of North-western Australia, 1. Green and Brown Algae 49 (2015)]