Anabaena, Dic #2
Michael Abbey
Blue-green Algae, Tem #3
Omikron
Fossilized Cyanobacteria #1
Michael Abbey
Aphanizomenon, Dic #1
M. I. Walker
Spirulina Subsalsa, Phase Contrast
Michael Abbey
Gloeocapsa, Dark Field
Michael Abbey
Aphanizomenon, Dic
M. I. Walker
Anabaena, Lm #1
Biology Pics
Micrasterias Apiculata Cyanobacteria LM
Marek Mis
Anabaena, Lm #1
Robert Knauft / Biology Pics
Anabaena, Lm #2
Robert Knauft / Biology Pics
Anabaena, Lm
Biology Media
Cylindrospermum, Dic
Michael Abbey
Anabaena, Dic
Michael Abbey
Living Oscillatoria Tenuis, Bright Field
Michael Abbey
Living Oscillatoria Tenuis, Dark Field
Michael Abbey
Blue-green Algae, Living Spirulina
Michael Abbey
Fischerella Musicola, Dark Field
Michael Abbey
Blue-green Algae, Living Spirulina #1
Michael Abbey
Fossilized Cyanobacteria, Lm #1
Michael Abbey
Gloeocapsa, Phase Contrast
Michael Abbey
Blue-green Algae Tem #4
Omikron
Pond Scum, Bright Field Microscope
M. I. Walker
Anabaena, Lm
P. Dayanandan
Spirulina Culture, Lm
Robert Knauft / Biology Pics
Glaucocystis #1
Michael Abbey
Gloeocapsa, Dic
Michael Abbey
Anabaena, Dic #1
Michael Abbey
Anabaena With Heterocysts, Phase
Michael Abbey
Living Oscillatoria Tenuis, Phase
Michael Abbey
Glaucocystis #5
Michael Abbey
Blue-green Algae, Tem
Omikron
Living Spirogyra And Oscillatori, Nic
M. I. Walker
Living Oscillatoria, Dic
M. I. Walker
Phytoplankton #1
M. I. Walker
Living Anthophyta, Nic
M. I. Walker
Anabaena, Lm
Robert Knauft / Biology Pics
Anabaena, Lm
Biology Pics
Living Anabaena Lm
Biophoto Associates
Cylindrospermum, Phase Contrast
Michael Abbey
Living Merismopedia, Dic
Michael Abbey
Anabaena, Dark Field
Michael Abbey
Living Oscillatoria Tenuis, Dark Field #1
Michael Abbey
Glaucocystis #3
Michael Abbey
Spirulina Subsalsa
Michael Abbey
Glaucocystis #4
Michael Abbey
Spirulina Major And Amoeba, Dic
Michael Abbey
Living Oscillatoria Tenuis, Phase #1
Michael Abbey
Gloeocapsa, Phase Contrast #1
Michael Abbey
Algae Bloom
Martin Shields
Anabaena, Nic
M. I. Walker
Anabaena, Lm #3
Robert Knauft / Biology Pics
Nostoc, Dark Field
Michael Abbey
Oscillatoria
Eric V. Grave
Spirulina Culture, Lm
Biology Media
Tolypothrix, Lm
Robert Knauft / Biology Pics
Glaucocystis
Michael Abbey
Living Oscillatoria Tenuis, Dic
Michael Abbey
Blue-green Algae, Tem #1
Omikron
Map Lichen #1
Ted Kinsman
Anabaena, Nic #1
M. I. Walker
Fossilized Cyanobacteria
Michael Abbey
Glaucocystis #2
Michael Abbey
Glaucocystis Colony
Michael Abbey