Fucus lacerus Linnaeus, Species Plantarum, ed. 2, 2: 1627. 1763.

"Habitat in Oceano Anglico." RCN: 8268, 8313.

Type not designated.

Original material: none traced.

Current name: Fucus ceranoides L. var. lacerus (L.) Lightf. ( Fucaceae).

Note: This name poses a potential threat to a number of well-established names and may be a candidate for rejection (see Spencer & al. in Taxon, in press).