Aphanizomenon flos aquae (AFA) is a filamentous prokaryotic bacteria that is also known as a Cyanobacteria or Blue-Green Algae. AFA may be harvested from fresh water lakes, ponds or rivers, and dried to produce a powder that is consumed by humans.
http://www.science20.com/australian_researchers_discover_potential_blue_green_algae_cause_treatment_of_motor_neuron_disease_mnd_als-121193
http://www.science20.com/causes_effects_and_management_of_blue_green_algae_cyanobacteria_harmful_algal_blooms_in_australian_water-139026
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