Main axis has long secondary branches which have multiple tertiary branches (laterals) arranged in a radial pattern. Holdfast at base is root-like (rhizoidal). Dark brown-red to yellowed almost grey when sandy. Up to about 6 cm long (thallus).
This seaweed is often noticeable in sandy shallow tidal pools where it accumulates sand and may look like a branched, grey pipe-cleaner.
Intertidal rocky reefs, tidal pools and shallow subtidal reefs on moderate water coasts.
New Zealand and Australia.
Photosynthetic - sunlight
Recorded in Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed