Fucus confervoides Linnaeus, Species Plantarum, ed. 2, 2: 1629. 1763, nom. illeg.

"Habitat in Mari Anglico." RCN: 8290, 8358.

Lectotype (Steentoft & al. in Taxon 40: 663. 1991): Herb. Linn. No. 1274.111, larger, right specimen (LINN) .

Current name: Gracilariopsis longissima (S.G. Gmel.) Steentoft & al. ( Gracilariaceae).

Note: A later homonym of Fucus confervoides Huds. (Fl. Anglica: 474. 1762), as noted by Silva & al. (in Univ. Calif. Publ. Bot. 79: 917. 1996), and hence illegitimate.