Diatom, light micrograph
Diatoms, light micrograph
Green alga, light micrograph
Closterium sp. desmid, light micrograph
Haematococcus alga, light micrograph
Spirogyra algae, light micrograph
Green algae, light micrograph
Algae and ciliate on aquatic plant, light micrograph
Diatom frustules, SEM
Diatom frustule, SEM
Desmids and spirogyra, light micrograph
Pleurosigma sp diatom, light micrograph
Green hydra, light micrograph
Euglena flagellate protozoan
Lepocinclis acus protist, light micrograph
Rhodomonas sp. algae, light micrograph
Lepocinclis spirogyroides, algae, light micrograph
Cladophora green algae, light micrograph
Haematococcus algae, light micrograph
Microalgae, light micrograph
Golden algae, light micrograph
Water milfoil stalk, light micrograph
Dinoflagellate
Melosira sp diatoms, light micrograph
Pleurosigma sp diatoms, light micrograph
Diatom shell, SEM
Diatom, SEM
Difflugia amoeba and sp. diatoms, light micrograph
Tabellaria fenestrata, light micrograph
Volvox sp. green algae, light micrograph
Algae settled on Myriophyllum sp., light micrograph
Meridion circulare diatoms, LM
Spirogyra green algae LM X100
Spirogyra green algae spiral chloroplasts
Scrippsiella sp. dinoflagellates, light micrograph
Symbiodinium dinoflagellates, light micrograph
Stentor ciliate protozoa light micrograph
Glaucocystis algae, light micrograph
Tabellaria flocculosa diatom, light micrograph
Desmid and diatoms, light micrograph
Stellate diatom, light micrograph
Diatoms, SEM
Lepocinclis protists, light micrograph
Lepocinclis protist, light micrograph
Ditylium brightwellii marine diatom, LM
Chloroplasts, confocal micrograph
Spirogyra algae
Spirogyra Green Algae strands
Diatom frustule, light micrograph
Chlamydomonas suboogama green algae, light micrograph
Pyrocystis sp., light micrograph
Cells of green alga, light micrograph
Euglena sp. protist, light micrograph
Cyanoptyche sp. green algae, light micrograph
Paramecium protozoan,light micrograph
Paramecium protozoa,light micrograph
Paramecium protozoa, light micrograph
Paramecium bursaria protozoan
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
Ciliate protozoan, light micrograph
Microsterias green alga, light micrograph
Pediastrum green algae, light micrograph
Silicoflagellate, light micrograph
Pyrocystis lunula algae, light micrograph
Pyrocystis lunula alga, light micrograph
Scenedesmus algae, SEM
Diatoms in sediment, SEM
Green alga on an aquatic plant, light micrograph
Heliozoan and alga, light micrograph
Fossil diatom, light micrograph
Microcoleus cyanobacteria, SEM
Cyanobacteria, SEM
Radiolarian, SEM
Amphisphaerina radiolarian, SEM
Acrosphaera radiolarian, SEM
Oscillatoria and Planktothrix algae, LM
Oscillatoria and Navicula, LM
Oscillatoria Alga filaments, LM
Phacus sp. flagellate, LM