Zonaria diesingiana J. Agardh, 1841

Belleza, Dominic Franco C., Tateishi, Hiroto, Tanimae, Shin-Ichiro, Kobayashi, Taishun, Aota, Tomoyuki, Urasawa, Toshiki & Nishihara, Gregory N., 2025, An annotated list of brown seaweeds (Phaeophyceae) from Nakadori Island (northern Goto Islands, Nagasaki, Japan), Phytotaxa 694 (1), pp. 1-24 : 11

* Zonaria diesingiana J. Agardh, 1841

Japanese name: シマオƯギ (shimaougi)

Type locality: —“ad oras Novae Hollandiae” (Probably near Sydney, Australia)

Description and remarks: —Plants are prostrate with thalli having a 2–4 cm length and 3–5 cm in width and attached to the bottom by fine rhizoidal holdfasts. Fronds grow in a layered structure, with the youngest blades on the surface. The blade margins are entire or sometimes contain clefts which may show the margins as being lobed. In the field, plants are most often found among encrusting and geniculate coralline algae in sheltered areas of Yokoura and Mushima old port and are present from spring until autumn.

Materials examined: —18ECS1-62 (1 to 8)

Order Ectocarpales

Family Chordariaceae