Nostocaceae

4 species

Cyanobacteria family forming gelatinous colonies; includes edible spirulina-related organisms.

Aphanizomenon flos-aquae

Klamath blue-green algae, Super blue-green algae

Hormosippon arcticus

Edible: Algae, Seaweed

Nostoc flagelliforme

Facai, Filiform nostoc, Hair vegetable

Edible: Seaweed

Nostoc sphaeroides