Does Spirulina grow in Klamath Lake?

There is NO spirulina growing in or harvested from Klamath Lake Oregon.

Spirulina is a warm water blue-green algae that primarily grows naturally in 2 locations on the planet, Lake Chad in Africa and Lake Texcoco in Mexico. The spirulina growing in these two locations is consumed by the locals and has been for thousands of years.

All commercial spirulina powder is grown in self-contained open ponds mostly in China.

AFA (Aphanizomenon flos-aquae) is a brackish and freshwater species of cyanobacteria found around the world in cold waters, including the Baltic Sea, Klamath Lake, Oregon, and the Great Lakes. AFA is harvested by companies that distribute it around the world. It is similar to Spirulina but not approved by the FDA due to the toxicity of the Klamath Lake reservoir.