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