Cyanobacteria, light micrograph
Oscillatoria sp. cyanobacteria, light micrograph
Diatoms and cyanophyta, light micrograph
Rivularia cyanobacteria, light micrograph
Spirulina cyanobacteria, light micrograph
Spirulina sp. cyanobacteria, light micrograph
Oscillatoria cyanobacteria
Nauplius, light micrograph
Algal cysts, light micrograph
Water flea, light micrograph
Oscillatoria and Planktothrix algae, LM
Oscillatoria and Navicula, LM
Oscillatoria Alga filaments, LM
Cymbella diatoms, light micrograph
SEM of blue-green algae
Scytonema hyalinum cyanobacteria, light micrograph
Stigonema mammilosum cyanobacteria, light micrograph
Cyanocohniella crotaloides cyanobacteria, light micrograph
Dolichospermum sp. cyanobacteria, light micrograph
Aphanizomenon flos-aquae cyanobacteria, light micrograph
Pond life, light micrograph
Amoeba and desmid, light micrograph
Cyanobacteria, polarised light micrograph
Golden algae, light micrograph
Cladophora green algae, light micrograph
Shelled amoeba, light micrograph
Euglena protozoa and cyanobacteria
Thermophilic bacteria, light micrograph
Mycobacterium marinum bacteria, light micrograph
Netrium desmid, light micrograph
Micrasterias desmid, light micrograph
Micrasterias desmids, light micrograph
Silicoflagellates, light micrograph
Netrium desmids, light micrograph
Rotifer, light micrograph
Polyphemus crustacean, light micrograph
Diatom, light micrograph
Oscillatoria cyanobacteria, micrograph
Haematococcus alga, light micrograph
Spirogyra algae, light micrograph
Diatoms, light micrograph
Green algae, light micrograph
Peridinium sp. Dinoflagellate, light micrograph
Melosira sp diatoms, light micrograph
Pleurosigma sp diatoms, light micrograph
Pleurosigma sp diatom, light micrograph
Stentor ciliate protozoa light micrograph
Filamentous cyanobacteria, light micrograph
Synechococcus cyanobacteria, SEM
Spirulina meneghiniana cyanobacteria, light micrograph
Rivularia cyanobacteria colony, light micrograph
Cyanobacteria and diatoms, light micrograph
Cyanobacteria and diatom, LM
Cyanobacteria filaments, LM
Cosmarium desmid algae, light micrograph
Xanthidium antilopaeum algae, light micrograph
Anabaena sp. cyanobacteria, light micrograph
Blue green algae stigonema, LM
Stentor sp. protozoan, light micrograph
Bacterial colony, LM
LM of bacteria taken from the human mouth
Bacillus megaterium, LM
LM of a root nodule
Algae from Rio Tinto, Spain
Green alga, light micrograph
Phacus sp., light micrograph
Copepod, light micrograph
Nostoc cyanobacteria, LM
Ceratium dinoflagellate, light micrograph
Volvox colony, light micrograph
Lepadella sp. rotifer, light micrograph
Paramecium protozoan,light micrograph
Paramecium protozoa,light micrograph
Paramecium protozoa, light micrograph
Gloeotrichia sp. cyanobacteria, light micrograph
Nostoc flagelliforme cyanobacteria, light micrograph
Notommata sp. rotifer, light micrograph
Alkali-loving extremophile bacteria, SEM
Oscillatoria cyanobacteria, light micrograph
Vaginicola ciliate on cyanobacteria, light micrograph
Cyanophyte, light micrograph
Anabaena sp., algae, light micrograph
Phormidium sp. algae, light micrograph
Anabaena sp. algae, light micrograph
Micrasterias and Xanthidium algae, light micrograph