Diatoms, light micrograph
Diatoms and green algae, light micrograph
Fragilaria diatoms, light micrograph
Asterionella diatoms, light micrograph
Epithemia diatoms, light micrograph
Aquatic snail and diatoms on algae
Diatoms on red algae, light micrograph
Diatom and green algae, light micrograph
Diatoms and Spirogyra algae, micrograph
Ophrydium protozoa, light micrograph
Diatoms and red algae, light micrograph
Amoeba, diatoms and red algae, micrograph
Diatoms and Cladophora algae, light micrograph
Diatoms and cyanobacteria, micrograph
Gomphonema diatoms, light micrograph
Diatoma diatoms, light micrograph
Diatoms and desmids, light micrograph
Diatoms on duckweed, light micrograph
Green alga and sphagnum moss, micrograph
Cosmarium desmid, light micrograph
Micrasterias desmid, light micrograph
Desmidium desmids, light micrograph
Spirogyra sp. algae, micrograph
Desmids and sphagnum moss, micrograph
Desmids on sphagnum moss, micrograph
Desmid and chlorophytes, micrograph
Zygnema algae on sphagnum moss
Desmid on sphagnum moss, light micrograph
Xanthidium desmids, light micrograph
Epithemia diatom, light micrograph
Suctorian protozoa and fragilaria diatoms, light micrograph
Suctorian protozoan and fragilaria diatoms, light micrograph
Suctorian protozoan and diatoms, light micrograph
Suctoria and diatom algae, polarised light micrograph
Cocconeis sp. algae, light micrograph
Nitzschia sigmoidea and gomphonema algae, light micrograph
Melosira diatoms, light micrograph
Cymbella diatoms, light micrograph
Synedra diatoms, light micrograph
Volvox green algae, light micrograph
Gomphonema diatoms, polarised light micrograph
Shelled amoeba, light micrograph
Desmid and sphagnum moss, micrograph
Desmids on sphagnum moss
Desmid on red algae, light micrograph
Pyrocystis lunula dinoflagellates, light micrograph
Diatoms, polarised light micrograph
Tabellaria diatoms, polarised light micrograph
Ciliate and diatoms, light micrograph
Protozoa and desmids, light micrograph
Micrasterias desmids, light micrograph
Closterium desmid, light micrograph
Diatom on cyanobacteria, light micrograph
Gyrosigma diatom, light micrograph
Diatom and green algae, micrograph
Cymbella diatom, light micrograph
Diatom, light micrograph
Desmid and red algae, light micrograph
Desmids and red algae, light micrograph
Green and red algae, light micrograph
Water flea and desmid on sphagnum moss
Desmid, algae and sphagnum moss, light micrograph
Desmids, light micrograph