Green algae, light micrograph
Diatoms, light micrograph
Diatom, light micrograph
Spirogyra algae, light micrograph
Haematococcus alga, light micrograph
Microalgae, light micrograph
Pediastrum green algae, light micrograph
Haematococcus algae, light micrograph
Stentor ciliate protozoa light micrograph
Green alga, light micrograph
Microsterias green alga, light micrograph
Golden algae, light micrograph
Fossil diatom, light micrograph
Paramecium protozoan,light micrograph
Paramecium protozoa,light micrograph
Paramecium protozoa, light micrograph
Euastrum desmid, light micrograph
Micrasterias desmid, light micrograph
Micrasterias desmids, light micrograph
Xanthidium desmids, light micrograph
Desmids, light micrograph
Cosmarium desmids, light micrograph
Euastrum desmids, light micrograph
Netrium desmids, light micrograph
Paramecium bursaria protozoan
Pyrocystis lunula algae, light micrograph
Pyrocystis sp., light micrograph
Melosira sp diatoms, light micrograph
Pleurosigma sp diatoms, light micrograph
Pleurosigma sp diatom, light micrograph
Desmid, light micrograph
Bambusina desmids, light micrograph
Netrium desmid, light micrograph
Woloszynskia algae, light micrograph
Pyrocystis sp. algae, light micrograph
Leonella granifera algae, light micrograph
Pyrocystis lunula alga, light micrograph
Ciliate protozoan, light micrograph
Paramecium bursaria protozoan, light micr
Uroleptopsis protozoan, light micrograph
Proteus amoeba, light micrograph
Ciliate protozoa, light micrograph
Hypotrich protozoan, light micrograph
Phacus algae, light micrograph
Ophiocytium algae, light micrograph
Euglena mutabilis algae, light micrograph
Closterium moniliferum algae, light micrograph
Trachelomonas volvocinopsis algae, light micrograph
Phacus ranula algae, light micrograph
Phacus smulkowskianus algae, light micrograph
Ophiocytium sp. algae, light micrograph
Euastrum humerosum desmid algae, light micrograph
Ophrydium protozoa, light micrograph
Porphyridium sp. red algae, light micrograph
Closterium desmid, light micrograph
Cyanoptyche sp. green algae, light micrograph
Staurastrum green algae, light micrograph
Tetraselmis chui algae, light micrograph
Draparnaldia green algae, light micrograph
Stentor sp. protozoan, light micrograph
Synura golden algae, light micrograph
Leonella granifera alga, light micrograph
Water flea, light micrograph
Cosmarium reniforme sp. algae, light micrograph
Trachelomonas sp. protist, light micrograph
Phacus sp., light micrograph
Glaucocystis algae, light micrograph
Cyanoptyche algae, light micrograph
Worm feeding on algae, light micrograph
Peridinium cinctum algae, light micrograph
Phaeothamnion sp. algae, light micrograph
Glaucocystis sp. algae, light micrograph
Tribonema sp. algae, light micrograph
Xanthonema sp. algae, light micrograph
Cryptomonas lundii algae, light micrograph
Phacus alga, light micrograph
Trachelomonas alga, light micrograph
Rivularia cyanobacteria, light micrograph
Microorganisms, light micrograph
Euglena mutabilis alga, light micrograph
Trachelomonas volvocinopsis alga, light micrograph
Phacus ranula alga, light micrograph
Scenedesmus algae, SEM
Chroodactylon ornatum algae, light micrograph
Golden-brown algae and dinoflagellate
Staurastrum sp. green algae, light micrograph
Volvox sp., green algae, light micrograph
Chlorella sp., green algae, light micrograph
Ophiocytium sp., green algae, light micrograph
Algae and protist, light micrograph
Amoeba protozoan, light micrograph
Hypotrich ciliate, light micrograph
Euglena flagellate protozoan
Chlamydomonas suboogama green algae, light micrograph
Cladophora green algae, light micrograph
Nitzschia sp. diatom and red algae, light micrograph
Blepharisma protozoa, light micrograph
Cothurnia protozoan, light micrograph
Dinobryon colonial algae, light micrograph
Amoeba and desmid, light micrograph
Thalassiosira punctigera, light micrograph
Algae, light micrograph