Sporochnus radiciformis (R. Brown ex Turner) C. Agardh, 1817

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 : 17

* Sporochnus radiciformis (R. Brown ex Turner) C. Agardh, 1817

Japanese name: ケヤリ (keyari)

Basionym: Fucus radiciformis R. Brown ex Turner

Type locality: — Australia, probably near Sydney

Description and remarks: —Specimens are tall and can reach up to 50 cm in height with stiff and terete main axis about 0.5–1 mm in width. Branches are pinnate with alternating branchlets that are terminated by ovate to globular receptacles with tufts of fine hair. Brownish when fresh but turns light green when dried and pressed. Specimens were found attached to rock substrate via a small discoid holdfast, 1 mm in width. This species was found growing along the sandy areas in the middle of Yokoura, especially in mid spring.

Materials examined: —18ECS1-150 (1 to 2)