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Aphanizomenon (Cyanophyceae)

Aphanizomenon flos-aquae

Aphanizomenon flos-aquae

Aphanizomenon flos-aquae, 25 May 2010, Wheelwright Pond, Lee, NH USA

Aphanizomenon flos-aquae, 25 May 2010, Wheelwright Pond, Lee, NH USA

Aphanizomenon sp.
Photo by Helena Höglander posted online

Aphanizomenon sp. with several heterocysts. Upper trichome has terminal cell that is more elongate, slightly tappered and clearer than central cells. Photograph from 'plingfactory' posted online.

Aphanizomenon flos-aquae 'bundles' of parallel trichomes resembling lawn grass clippings.
Photograph from Christopher Hassell at 'Immune Support' posted online.

Aphanizomenon flos-aquae macrocolonies resembling lawn grass clippings.
Photograph by Charles Krebs posted online at macrophotography.net.

Aphanizomenon sp. illustrating heterocysts;  vegetative cells have polyphosphate (?) granules and a high volume occupied by gas vessicles.  Tapered filaments are not evident.  Photograph posted online.

Aphanizomenon flos-aquae f. gracile illustrating granules and accumulations of gas vessicles.
Photograph from NCIS Japan posted online.

Products sold as "superfoods" and "antioxidants" available online as of 27 Sep 2010 that contain cyanobacteria ("Blue Green Algae"). The same company has discontinued a product labeled "BLUE GREEN ALGAE" from Upper Klamath Lake. The label claims: One caspule provides: Blue Green Algae (Aphanizomenon flos-aquae) 500 mg. To view the reason for discontinuation ("Editor's comments") requires a $9.97/month subscription to Natural Medicines online.

Aphanizomenon flos-aquae with hyaline end cells, from Lake Cochichewick, North Andover MA, USA

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