Sargassum yendoi Okamura and Yamada, 1938

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 : 16

* Sargassum yendoi Okamura and Yamada, 1938

Japanese name: エンドƯモク (endoumoku)

Type locality: —Enoshima, Shimoda or Hayama, Japan

Description and remarks: —The specimen is 25 cm tall, with a winged main axis, 2.5 mm wide. The leaves are elongated, 5–7 cm long, 8 mm wide with distinct midribs and are alternating on the main axis. The vesicles are globose and on 3–5 mm stalks. The receptacles are densely branched and highly conspicuous in mature individuals. This species forms sparse patches along the rocky subtidal areas close to the mouth of the embayment in Yokoura in mid spring.

Material examined: —18ECS1-129-1

Order Laminariales

Family Alariaceae