<p><strong>Fig. 2.19.</strong>&nbsp;(<strong>B</strong>) Giant kelp, <em>Macrocystis pyrifera</em>, a phaeophyte or brown macroalga</p>

Fig. 2.19. (B) Giant kelp, Macrocystis pyrifera, a phaeophyte or brown macroalga

Image courtesy of National Oceanic and Atmospheric Administration (NOAA)