Lobed, jagged or irregularly divided with a smooth, flattened surface (sheet-like) as several broad fronds arising from holdfast. Holdfast at base is small with a thick mass of root-like (rhizoidal) extensions in lower cells. Grass green. Up to 20 cm long (thallus).
This sea-lettuce species often grows on invertebrates and other algae/seagrass. Blooms can be common both seasonally and in areas of high nutrients e.g. near stormwater, stream run-off, sewerage outfalls.
Intertidal and subtidal rocky reefs, common in shallow waters, moderately rough waters, to depth of 5 m.
Spain and Australia.
Photosynthetic - sunlight
Recorded in Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed