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USGS Microbiology Image Gallery

Cyanobacteria images related to USGS microbiology research.

Microbiology

Aphanizomenon

Aphanizomenon flos-aquae 100x magnification
 Barry H. Rosen, USGS

Research Summary: Cyanotoxins in Klamath Lake (Barry H. Rosen)

Aphanizomenon flos-aquae 100x magnification. Photo credit: Barry H. Rosen, USGS

Description: Aphanizomenon flos-aquae, as viewed at 100x magnification.  Note the cluster of filaments that give it the appearance of grass clippings. Color is normally grass-green. This organism can “fix” atmospheric nitrogen.

Aphanizomenon flos-aquae 100x magnification. Photo credit: Barry H. Rosen, USGS Aphanizomenon flos-aquae 100x magnification
Aphanizomenon flos-aquae colony. Photo credit: Barry H. Rosen, USGS Aphanizomenon flos-aquae colony Aphanizomenon issatchenkoi. Photo credit: Barry H. Rosen, USGS Aphanizomenon isaatchenkoi

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