Zonaria (alga)

Zonaria
Scientific classification
(unranked):	SAR
Superphylum:	Heterokonta
Class:	Phaeophyceae
Order:	Dictyotales
Family:	Dictyotaceae
Genus:	Zonaria C. Agardh, 1817

Zonaria is a genus of thalloid brown alga comprising approximately 12 species. Specimens can reach around 25 cm in size. Zonaria produces tetraspores.

The species currently recognised are:

The three Zonaria Australian species Z. turneriana, Z. crenata and Z. angustata produce phloroglucinol derivatives.

...
Wikipedia