Pangea Giant Sea KelpScientific Name: Macrocystis pyrifera Number of Blades Leaves: N A Blade Leaf Width: N A Distribution: Macrocystis pyrifera is common along the coast of the eastern Pacific Ocean, from Baja California north to southeast Alaska, and is also found in the southern oceans near South America, South Africa, Australia, and New Zealand. Description: Macrocystis pyrifera, commonly known as giant kelp or giant bladder kelp is the largest of all algae. The stage