Lessoniaceae are a family of kelp. Species of this family have transition zone with intercalary meristem subdivided so that there are a number of secondary stipes in addition to the primary stipe. Genera and species Ecklonia Ecklonia arborea Ecklonia cava Ecklonia kurome Ecklonia maxima Ecklonia radiata Ecklonia stolonifera Eckloniopsis Eckloniopsis radicosa Egregia Egregia menziesii - feather boa Eisenia Eisenia arborea - southern sea palm, sea oak Eisenia bicyclis - arame Lessonia Lessonia adamsiae Lessonia brevifolia Lessonia corrugata Lessonia flavicans Lessonia nigrescens Lessonia spicata Lessonia tholiformis Lessonia trabeculata Lessonia vadosa Lessonia variegata References Brown algae families