Roof microbial mat, LM
Cyanobacteria and diatom, LM
Cyanobacteria filaments, LM
Algae, light micrograph
Meridion circulare diatoms, LM
Diatom, light micrograph
Aquatic plant with cyanobacteria and algae, light micrograph
Green alga, light micrograph
Oscillatoria cyanobacteria, light micrograph
Netrium oblongum green algae, LM
Cyanobacteria and diatom, micrograph
Green algae, light micrograph
Mediopyxis helysia diatoms, LM
Phacus sp. flagellate, LM
Bellerochea malleus diatoms, LM
Ditylium brightwellii marine diatom, LM
Closterium sp. desmid, light micrograph
Tabellaria flocculosa diatom, light micrograph
Spirogyra algae and cyanobacteria
Spirogyra green alga, light micrograph
Chroococcus cyanobakteria, LM
Pyrocystis sp., light micrograph
Diatoms, light micrograph
Euastrum desmid, light micrograph
Suctoria and diatom algae, polarised light micrograph
Cocconeis sp. algae, light micrograph
Nitzschia sigmoidea and gomphonema algae, light micrograph
Cladophora green algae, light micrograph
Pyrocystis lunula dinoflagellates, light micrograph
Diatom frustule, light micrograph
Spirogyra reproducing, light micrograph
Euastrum desmid cell division, light micrograph
Cyanobacterium and green algae, LM
Diatoma diatoms, LM
Cladophora filaments, LM
Rhodomonas sp. algae, light micrograph
Diatoms and cyanobacteria, micrograph
Anabaena sp, algae, light micrograph
Thalassiosira diatom, LM
Thalassionema diatom, LM
Chaetoceros diatom, LM
Ditylium diatom, LM
Eucampia diatom, LM
Algae settled on Myriophyllum sp., light micrograph
Volvox sp. green algae, light micrograph
Nostoc sp. colonies, LM
Tabellaria fenestrata, light micrograph
Desmid and diatoms, light micrograph
Diatom on cyanobacteria, light micrograph
Tetraedron triangulare, SEM
Euglena protozoa and cyanobacteria
Ciliate and diatoms, light micrograph
Calothrix cyanobacterium, LM
Nostoc pruniforme cyanobacteria, LM
Anabena cyanobacterium, LM
Aphanothece sp. cyanobacteria, LM
Anabena sp., LM
Nostoc sp., LM
Scytonema sp., LM
Difflugia amoeba and sp. diatoms, light micrograph
Green alga on an aquatic plant, light micrograph
Spirogyra, light micrograph
Spirogyra algae, light micrograph
Spirogyra sp. , algae, light micrograph
Spirogyra conjugating, polarised light micrograph
Thalassiosira punctigera, light micrograph
Thalassiosira sp. diatom, light micrograph
Anabaena cyanobacteria, light micrograph
Algae and ciliate on aquatic plant, light micrograph
Acanthocystis heliozoon, LM
Diatoms and desmids, light micrograph
Diatoms and green algae, light micrograph
Diatom and green algae, light micrograph
Epithemia diatom, light micrograph
Epithemia diatoms, light micrograph
Green algae on aquatic plant stalk, light micrograph
Diatoms and Cladophora algae, light micrograph
Fragilaria diatoms, light micrograph
Asterionella diatoms, light micrograph
Spirogyra sp., filamentous green alga, LM
Gonium green algae, light micrograph
Desmid and Cyanobacteria, micrograph
Desmids and cyanobacteria, micrograph
Cells of green alga, light micrograph
Pseudomicrothorax dubius ciliate, LM
Phormidium sp. algae, light micrograph
Spirulina cyanobacteria, light micrograph
Phormidium sp. cyanobacteria, light micrograph
Leptogium lichen section, LM
Nostoc sp. cyanobacteria, LM
Diatoms and Spirogyra algae, micrograph
Diatom and green algae, micrograph
Fossil diatom, light micrograph
Fossil diatoms, light micrograph
Encyonema freshwater diatoms, light micrograph
Caloneis freshwater diatom, light micrograph
Nitzschia freshwater diatom, light micrograph
Eucampia marine diatoms, light micrograph
Diploneis freshwater diatom, light micrograph
Craticula freshwater diatom, light micrograph
Marine diatom Gyrosigma fasicola, light micrograph
Diploneis freshwater diatom colony, light micrograph
Synedra diatom group, LM
Diatoma diatom, LM
Cymbella sp. Diatoms, LM
Stephanodiscus diatom, LM
Cymbella Diatoms, LM
Asterionella diatoms, LM
Tabellaria freshwater diatoms, LM
Odontella sp. diatom, LM
Gyrosigma freshwater diatoms, LM
Coscinodiscus sp. diatom, LM