Brent Durand on Instagram: "Giant kelp grows like a living maze towards the sea surface. Each of these bulbs (pneumaticysts) contains air and floats the kelp as it grows up to 2ft
2018-01-TideBite54-Fig1-600x499.jpg
Five Fast Facts about Bull Kelp | Port of Seattle
Bull Kelp Bulbs | Bull kelp bulbs floating off shore at Elli… | Flickr
Algae and Seagrass in the Sanctuary - Greater Farallones Association