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Oscillatoria (Cyanophyceae)

Oscillatoria sp. from New Hampshire USA
Trichomes lack a visible sheath . Cell length/width ~1

 

Oscillatoria sp. from New Hampshire USA
Trichome with cell length/width <<1

 

Oscillatoria sp. from New Hampshire USA
Cell length/width ~ 0.1

 

Oscillatoria sp. from New Hampshire USA
Hormogone -- reproductive element fragmented from longer trichome

 

Oscillatoria tenuis
Modified from an image (0295L) posted at the National Institute of Environmental Science, Japan

 

Oscillatoria limnetica
Modified from an image (0292L) posted at the National Institute of Environmental Science, Japan

 

Oscillatoria amphibia
Modified from an image (0467L) posted at the National Institute of Environmental Science, Japan

 

Oscillatoria agardhii
Modified from an image (0289L) posted at the National Institute of Environmental Science, Japan

 

Oscillatoria agardhii
Modified from an image (0288L) posted at the National Institute of Environmental Science, Japan

 

Oscillatoria rosea
Modified from an image (0294L) posted at the National Institute of Environmental Science, Japan

 

Oscillatoria kawamurae
Modified from image posted at nifty.com

 

Oscillatoria sp.
Modified from an image posted online

 

Oscillatoria geminata
Mystic River Watershed, MA, USA
Oil immerison photo by Patrick Herron

 

Oscillatoria geminata
Mystic River Watershed, MA, USA
Oil immerison photo by Patrick Herron

 

Oscillatoria rubescens bloom in a flooded rock quarry Kentucky USA
Photo posted online

 

Oscillatoria rubescens bloom in a high-altitude tarn (2,246 m ASL) in Vilters-Wangs, Switzerland, 46 ° 58 '43.19 "N  9 ° 24 '49.24 "E; "Burgundy Blood algae bloom" or "Burgunderblutalgenblüte", on or near the popular Pizol 5 lakes hike.  Photograph by Bernd Lang KN, in Panaramio, posted online

Oscillatoria rubescens
Photograph by Daniel Steiner posted online

Oscillatoria rubescens
Photograph from Cyanocost posted online

 

Oscillatoria rubescens - Lake Ledro, Italy, 653 m ASL, lat 45.877o, long 10.754o
Photograph by Marz posted online

 

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