Taonia Atomaria

Description:
Thallus flat and leaf-like, to 300 mm long (usually 100-150 mm) and 10-40 mm broad; fronds thin and translucent, olive to yellow-brown, irregularly forked-lacinate, lacking a midrib; reproductive structures characteristically formed in bands.

Habitat:
Pools from mid-tide and below in summer; generally associated with sand.

Distribution:
Widely distributed and common in the S and W.

Key characteristics:
Absence of midrib, lacinate forking, reproductive structures in bands.