| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Lessonia adamsiae C.H. Hay, 1987 |
Southwest Pacific | ||
| Lessonia brevifolia J. Agardh, 1894 |
Southwest Pacific | ||
| Lessonia fuscescens Bory de Saint-Vincent, 1826 |
Southern brown kelp | Southern Oceans | 400 |
| Lessonia nigrescens Bory de Saint-Vincent |
Southeast Pacific | ||
| Lessonia tholiformis C.H.Hay, 1989 |
Southwest Pacific | ||
| Lessonia trabeculata Villouta & Santelices |
Southeast Pacific | ||
| Lessonia variegata J. Agardh, 1877 |
Southwest Pacific, Antarctic and subantarctic |