Microalgae settled on Lemna sp. root, light micrograph
Euglenoids in duckweed (Lemna sp.) root, light micrograph
Pond life, light micrograph
Green algae, light micrograph
Nitzschia sp. diatom and red algae, light micrograph
Nitzschia sigmoidea and gomphonema algae, light micrograph
Red algae and diatoms, light micrograph
Suctorian ciliate, light micrograph
Gomphonema sp. diatoms and green alga, light micrograph
Fragilaria diatoms, light micrograph
Diatoms, light micrograph
Ciliate and diatoms, light micrograph
Green algae on aquatic plant stalk, light micrograph
Green algae colony, light micrograph
Green algae colony attached to sand grain, light micrograph
Algae colonies attached to sand grains, light micrograph
Green and red algae, light micrograph
Ciliate and Batrachospermum red algae, light micrograph
Heliozoan and Sirgonium, light micrograph
Rotifer and green algae, light micrograph
Stylonema sp. red alga filaments, LM
Compsopogon red alga, LM
Cocconeis sp. algae, light micrograph
Suctoria and diatom algae, polarised light micrograph
Stentor ciliate and diatoms, light micrograph
Stentor sp. ciliate and diatoms, light micrograph
Synedra sp. diatoms, light micrograph
Cymbella sp. diatoms, light micrograph
Closterium sp. desmid, light micrograph
Stentor sp. ciliate and red algae, light micrograph
Stentor ciliate and red algae, light micrograph
Micrasterias desmid, light micrograph
Microalgae, light micrograph
Diatoms on duckweed, light micrograph
Algae, light micrograph
Nematode among green algae, light micrograph
Pediastrum green algae, light micrograph
Eudorina green algae, light micrograph
Diatom, SEM
Batrachospermum algae and diatoms, light micrograph
Cosmarium desmid algae, light micrograph
Closterium sp. green algae, light micrograph
Heliozoans on green alga, light micrograph
Ophrydium protozoa, light micrograph
Diatoma diatoms, LM
Cladophora filaments, LM
Tabellaria freshwater diatoms, LM
Odontella sp. diatom, LM
Gyrosigma freshwater diatoms, LM
Melosira sp. diatoms, LM
Suctoria on green algae, light micrograph
Zygnema sp. algae filaments, LM
Botryococcus sp. algae, LM
Micrasterias radiosa, LM
Desmidium swartzii algae filaments, LM
Micrasterias crux-melitensis, LM
Closterium desmid, light micrograph
Pleurotaenium ovatum desmid, light micrograph
Pleurotaenium ovatum desmid cell division, light micrograph
Pleurotaenium truncatum, algae, light micrograph
Closterium desmids, light micrograph
Cosmarium desmid, light micrograph
Cosmarium turpinii desmid, light micrograph
Pleurotaenium nodosum desmid
Desmids, light micrograph
Red alga and diatoms, polarised light micrograph
Microorganisms, light micrograph
Willea green algae, light micrograph
Diatoms and Cladophora algae, light micrograph
Phycopeltis green alga and diatoms, light micrograph
Diatoms on red algae, light micrograph
Diatoms and red algae, light micrograph
Amoeba, diatoms and red algae, micrograph
Hypotrich ciliate, light micrograph
Gomphonema diatoms, light micrograph
Ceratium dinoflagellate, light micrograph
Cyanobacteria and diatoms, light micrograph
Rotifer, light micrograph
Navicula diatoms, light micrograph
Micrasterias and Xanthidium algae, light micrograph
Xanthidium and Micrasterias algae, light micrograph
Spirotaenia desmid, light micrograph
Draparnaldia green algae, light micrograph
Green alga, light micrograph
Pennate diatoms, 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
Vaginicola ciliate on cyanobacteria, light micrograph