Spirulina , a rich source of protein , is a
Blue - green algae
Fungi
Pteridophyte
Bryophyte
Cyano bacteria / Blue green algae -
Eg. Nostoc and anabaena,
- wherein
Eg. Trichodesmium erythreum, Nostoc commune.
Spirulina is a unicellular blue-green algae which is rich in protein and also contain minerals and vitamins