Fucus cartilagineus Linnaeus, Species Plantarum 2: 1161. 1753.
"Habitat in Oceano australiore." RCN: 8292, 8354.
Lectotype (Dixon in Blumea 15: 56. 1967): Herb. A. van Royen No. 910.184-14 (L) .
Current name: Plocamium cartilagineum (L.) P.S. Dixon ( Plocamiaceae).
Note: Saunders & Lehmkuhl (in Europ. J. Phycol. 40: 303. 2005) provide a discussion concerning the likely provenance of the type collection and reproduce an image of it (f. 12), and rehydrated microscopical preparations (f. 13, 14).