Alga, SEM
Anabaena, SEM
Colonial diatom rhabdonema, SEM
Anabaena algae, SEM
Synura golden-brown alga., SEM
Green alga, light micrograph
Algae, SEM
Botryococcus alga, SEM
Spirulina cyanobacteria, SEM
Radiolaria, SEM
Spirulina cyanobacteria and a diatom, SEM
Silicoflagellate, SEM
Sphacelaria brown alga, LM
Diatoms, light micrograph
Soil diatoms, SEM
Spirulina, SEM
Tetraedron triangulare, SEM
Acanthocystis, SEM
Aitalica diatoms, SEM
Colonial diatom Fragilaria, SEM
Diatom, SEM
Diatoms, SEM
Phaeodactylum tricornutum, SEM
Colpidium ciliate protozoa, SEM
Diatoms and radiolaria, SEM
Foraminiferan, SEM
Shelled amoebae, SEM
Didinium, SEM
Blepharisma ciliate protozoan, SEM
Colpidium ciliate protozoan, SEM
Shelled amoeba, SEM
Pandorina green alga, LM
Pleodorina green alga, LM
Synura alga colonies, LM
Polysiphonia red alga, LM
Desmidium swartzii and other green algae, light micrograph
Hyalotheca desmids, light micrograph
Volvox sp. green algae, light micrograph
Ceratium cornutum algae, light micrograph
Cosmarium raciborski, green algae, light micrograph
Tetraselmis chui algae, light micrograph
Cosmarium reniforme sp. algae, light micrograph
Penium green alga, light micrograph
Desmodesmus abundans green alga, LM
Scenedesmus sp. green alga, LM
Glaucocystis sp. alga, light micrograph
Ophiocytium sp. alga, light micrograph
Euglena mutabilis alga, light micrograph
Closterium moniliferum alga, light micrograph
Lepocinclis ovum alga, light micrograph
Cryptomonas lundii alga, light micrograph
Chaetophora sp. alga, fluorescence, LM
Staurastrum, SEM
Mantoniella algae, SEM
Desmidium desmid, SEM
Desmids, SEM
Staurastrum desmid, SEM
Euastrum desmid, SEM
Micrasterias desmid, SEM
Spirogyra sp. green alga, light micrograph
Penium silvae nigrae green alga, light micrograph
Mougeotia sp. green alga, light micrograph
Volvox globator green alga colony, LM
Bambusina sp. green alga, light micrograph
Volvox green alga colony, light micrograph
Symbiodinium sp. green algae, light micrograph
Symbiodinium voratum, algae, light micrograph
Diatom detail, SEM
Diatoms on mayfly nymph, SEM
Diatom, light micrograph
Diatoms and Cladophora algae, light micrograph
Plankton, SEM
Dinoflagellate, SEM