Fucus nodosus Linnaeus, Species Plantarum 2: 1159. 1753.

"Habitat in Mari Atlantico." RCN: 8276, 8317.

Lectotype (Irvine in Spencer & al. in Taxon, in press): Herb. Linn. No. 1274.58 (LINN) .

Current name: Ascophyllum nodosum (L.) Le Jol. ( Fucaceae).

Note: Woelkerling (in Rhodora 77: 16. 1975) indicated unspecified material in LINN as type but this did not distinguish between sheets 1274.58 and 1274.134. As they do not appear to be part of a single gathering, Art. 9.15 does not apply.