| Hafgygia Kütz., 1843 |
| Hafgygia andersonii Aresch., 1883 |
| Laminaria J.V. Lamour., 1813 |
| Laminaria andersonii Eaton ex Herv., 1881 |
| Laminaria debilis C. Agardh, 1820 |
| Laminaria farlowii Setch., 1893 |
| Laminaria porra Léman, 1822 |
| Laminaria setchellii P.C. Silva, 1957 |
| Laminariaceae Bory, 1827 |
| Macrocystis C. Agardh, 1820 |
| Macrocystis angustifolia Bory, 1826 |
| Macrocystis pyrifera (L.) C. Agardh, 1820 |
| Nereocystis Postels & Rupr., 1840 |
| Nereocystis gigantea Aresch., 1876 |
| Pelagophycus Aresch., 1881 |
| Pelagophycus giganteus (Aresch.) Aresch., 1881 |
| Pelagophycus porra (Léman) Setch., 1908 |
| Renfrewia Griggs, 1906 |