Red algae and diatoms, light micrograph
Suctorian ciliate, light micrograph
Green and red algae, light micrograph
Stentor ciliate and red algae, light micrograph
Stentor sp. ciliate and red algae, light micrograph
Nitzschia sp. diatom and red algae, light micrograph
Diatoms, light micrograph
Pond life, light micrograph
Stylonema sp. red alga filaments, LM
Compsopogon red alga, LM
Diatoms on red algae, light micrograph
Ciliate and Batrachospermum red algae, light micrograph
Tabellaria freshwater diatoms, LM
Gyrosigma freshwater diatoms, LM
Melosira sp. diatoms, LM
Odontella sp. diatom, LM
Pediastrum dupley algae, LM
Ankistrodesmus sp. green algae, LM
Pyramimonas sp. green algae, LM
Zygnema sp. algae filaments, LM
Batrachospermum algae and diatoms, light micrograph
Diatoma diatoms, LM
Red alga and diatoms, polarised light micrograph
Synedra sp. diatoms, light micrograph
Heliozoan and Sirgonium, light micrograph
Cryptomonas ovata alga, LM
Microthamnion sp. green alga, LM
Pediastrum boryanum alga, LM
Botryococcus sp. algae, LM
Pleurotaenium truncatum, algae, light micrograph
Porphyridium sordidum algae, light micrograph
Cladophora filaments, LM
Algae, light micrograph
Closterium sp. green algae, light micrograph
Ophrydium protozoa, light micrograph
Suctoria on green algae, light micrograph
Cymbella sp. Diatoms, LM
Cymbella Diatoms, LM
Asterionella diatoms, LM
Meridion circulare diatoms, LM
Rotifer and green algae, light micrograph
Microalgae settled on Lemna sp. root, light micrograph
Micrasterias radiosa, LM
Micrasterias crux-melitensis, LM
Asterionella diatoms, light micrograph
Fragilaria diatoms, light micrograph
Gomphonema diatoms, light micrograph
Diatoma diatoms, light micrograph
Epithemia diatoms, light micrograph
Achnanthes sp. algae, light micrograph
Tabellaria sp. algae, light micrograph
Odontella sp. algae, light micrograph
Desmid and red algae, light micrograph
Desmids and red algae, light micrograph
Navicula diatoms, light micrograph
Batrachospermum red algae and diatoms, light micrograph
Pennate diatoms, LM
Diatoms and red algae, light micrograph
Amoeba, diatoms and red algae, micrograph
Diatoms and desmids, light micrograph
Diatoms on duckweed, light micrograph
Diatoms and green algae, light micrograph
Cyanobacteria and diatoms, light micrograph
Diatoms and Cladophora algae, light micrograph
Different green algae, light micrograph
Suctorian protozoa and fragilaria diatoms, light micrograph
Suctorian protozoan and fragilaria diatoms, light micrograph
Batrachospermum sp., LM
Porphyridium sp. red algae, light micrograph
Haematococcus algae, light micrograph
Batrachospermum red algae, light micrograph
Cymbella sp. diatoms, light micrograph
Euglena sp. algae, light micrograph
Draparnaldia green algae, light micrograph
Batrachospermum sp. red algae, light micrograph
Desmidium swartzii algae filaments, LM
Stentor ciliate and diatoms, light micrograph
Stentor sp. ciliate and diatoms, light micrograph
Draparnaldia green algae, polarised light micrograph
Algae settled on Myriophyllum sp., light micrograph
Gomphonema sp. diatoms and green alga, light micrograph
Red algae, light micrograph
Closterium desmid, light micrograph
Closterium desmids, light micrograph
Cosmarium desmid, light micrograph
Cosmarium turpinii desmid, light micrograph
Pleurotaenium nodosum desmid
Desmids, light micrograph
Euglena intermedia protist, LM
Euglena mutabilis protists, LM
Euglena deses protist, LM
Pleurotaenium ovatum desmid, light micrograph
Pleurotaenium ovatum desmid cell division, light micrograph
Stentor ciliate, light micrograph
Stentor sp. ciliate, light micrograph
Vaginicola ciliate on cyanobacteria, light micrograph
Heliozoans on green alga, light micrograph
Pleurotaenium sp. green algae, light micrograph