Thick flattened alga radiating from attachment point made up of a short stem (stipe) and fibrous roots (rhizoids). Main part of alga (thallus) is of a simple or split lobed form. Dark red on top with furry white projections (forming rhizoids) on under-surface. Up to 20 cm long (thallus).
This rounded, flat seaweed can be locally abundant in caverns and deeper waters.
Subtidal rocky reefs, attached to overhangs and caverns, rough wave action, to depth of 25 m.
New Zealand and Australia.
Photosynthetic - sunlight
Recorded in Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed