<p><strong>Fig. 2.20.</strong> (<strong>B</strong>) Giant kelp, <em>Macrocystis pyrifera</em> with the holdfast, stipe, float, and blades visible.</p>

Fig. 2.20. (B) Giant kelp, Macrocystis pyrifera with the holdfast, stipe, float, and blades visible.

Image courtesy of EncycloPetey, Wikimedia Commons