Diatoms, light micrograph
Red algae and diatoms, light micrograph
Suctorian ciliate, light micrograph
Tabellaria freshwater diatoms, LM
Gyrosigma freshwater diatoms, LM
Melosira sp. diatoms, LM
Odontella sp. diatom, LM
Diatoma diatoms, LM
Heliozoan and Sirgonium, light micrograph
Synedra sp. diatoms, light micrograph
Stylonema sp. red alga filaments, LM
Compsopogon red alga, LM
Cryptomonas ovata alga, LM
Microthamnion sp. green alga, LM
Pediastrum dupley algae, LM
Ankistrodesmus sp. green algae, LM
Pyramimonas sp. green algae, LM
Pediastrum boryanum alga, LM
Zygnema sp. algae filaments, LM
Cymbella sp. Diatoms, LM
Cymbella Diatoms, LM
Asterionella diatoms, LM
Cladophora filaments, LM
Green and red algae, light micrograph
Pond life, light micrograph
Closterium sp. green algae, light micrograph
Algae, light micrograph
Meridion circulare diatoms, LM
Botryococcus sp. algae, LM
Micrasterias radiosa, LM
Micrasterias crux-melitensis, LM
Pleurotaenium truncatum, algae, light micrograph
Navicula diatoms, light micrograph
Cyanobacteria and diatoms, light micrograph
Pennate diatoms, LM
Cymbella sp. diatoms, light micrograph
Nitzschia sp. diatom and red algae, light micrograph
Synedra diatom group, LM
Diatoma diatom, LM
Stephanodiscus diatom, LM
Thalassiosira punctigera, light micrograph
Achnanthes sp. algae, light micrograph
Tabellaria sp. algae, light micrograph
Odontella sp. algae, light micrograph
Coscinodiscus sp. diatom, LM
Stentor sp. ciliate and red algae, light micrograph
Stentor ciliate and red algae, light micrograph
Ophrydium protozoa, light micrograph
Amoeba with Euglena and diatoms, light micrograph
Difflugia amoeba and sp. diatoms, light micrograph
Rotifer and green algae, light micrograph
Vaginicola ciliate on cyanobacteria, light micrograph
Heliozoans on green alga, light micrograph
Euglena intermedia protist, LM
Euglena mutabilis protists, LM
Euglena deses protist, LM
Asterionella diatoms, light micrograph
Fragilaria diatoms, light micrograph
Gomphonema diatoms, light micrograph
Diatoma diatoms, light micrograph
Epithemia diatoms, light micrograph
Euglena flagellate protozoans, light micrograph
Desmids, light micrograph
Spirotaenia desmid, light micrograph
Netrium desmid, light micrograph
Hyalotheca desmids, light micrograph
Haematococcus algae, light micrograph
Euglena sp. algae, light micrograph
Draparnaldia green algae, polarised light micrograph
Draparnaldia green algae, light micrograph
Closterium desmid, light micrograph
Green alga, light micrograph
Amoeba, light micrograph
Carchesium colony, light micrograph
Stentor ciliate, light micrograph
Stentor sp. ciliate, light micrograph
Diatoms and desmids, light micrograph
Diatoms on duckweed, light micrograph
Diatoms on red algae, light micrograph
Suctorian protozoa and fragilaria diatoms, light micrograph
Suctorian protozoan and fragilaria diatoms, light micrograph
Rotifer, light micrograph
Thalassiosira diatom, LM
Thalassionema diatom, LM
Chaetoceros diatom, LM
Ditylium diatom, LM
Eucampia diatom, LM
Stentor ciliate and diatoms, light micrograph
Stentor sp. ciliate and diatoms, light micrograph
Microalgae settled on Lemna sp. root, light micrograph
Gomphonema sp. diatoms and green alga, light micrograph
Cymbella diatoms, light micrograph
Closterium desmids, light micrograph
Cosmarium desmid, light micrograph
Cosmarium turpinii desmid, light micrograph
Suctoria on green algae, light micrograph
Pleurotaenium nodosum desmid
Pleurotaenium ovatum desmid, light micrograph
Pleurotaenium ovatum desmid cell division, light micrograph
Bambusina desmid, light micrograph
Xanthidium desmid, light micrograph