Fucus hirsutus Linnaeus, Systema Naturae, ed. 12, 2: 71; Mantissa Plantarum: 134. 1767.

"Habitat in Pelago. D. Gunnerus." RCN: 8330.

Lectotype (Irvine in Spencer & al. in Taxon, in press): Herb. Linn. No. 1274.18 (LINN) .

Current name: Cladostephus spongiosus (Huds.) C. Agardh var. verticillatus (Lightf.) Prud’homme ( Cladostephaceae).