Broad and smooth flattened surface (sheet-like) as a single frond arising from holdfast either flat, divided and/or with tears and holes. Has minute (microscopic) teeth on the blade edges (margins). Holdfast at base is a mass of root-like (rhizoidal) extensions in lower cells. Grass green. Up to 30 cm long (thallus).
This sea lettuce sometimes grows as an epiphyte on seagrasses, invertebrates and other algae. Blooms can be common both seasonally and in areas of high nutrients e.g. near stormwater, stream run-off, sewerage outfalls.
Tidal pools and subtidal rocky reefs, in sheltered and moderate wave action areas.
Photosynthetic - sunlight
Recorded in Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed