Diatom, light micrograph
Diatom wall, light micrograph
Assorted diatoms, light micrograph
Asteromphalus sp. diatom, SEM
Coscinodiscus sp. diatom, LM
Synedra diatom group, LM
Diatoma diatom, LM
Stephanodiscus diatom, LM
Diatom, SEM
Silicoflagellate, light micrograph
Thalassiosira diatom, LM
Thalassionema diatom, LM
Chaetoceros diatom, LM
Ditylium diatom, LM
Eucampia diatom, LM
Asterionella diatoms, LM
Cymbella sp. Diatoms, LM
Cymbella Diatoms, LM
Achnanthes sp. algae, light micrograph
Tabellaria sp. algae, light micrograph
Odontella sp. algae, light micrograph
Diatoms, light micrograph
Diatom fossil, light micrograph
Navicula sp. marine diatom, light micrograph
Caloneis freshwater diatom, light micrograph
Diploneis freshwater diatom, light micrograph
Craticula freshwater diatom, light micrograph
Marine diatom Gyrosigma fasicola, light micrograph
Diploneis freshwater diatom colony, light micrograph
Thalassiosira punctigera, light micrograph
Cymbella sp. diatoms, light micrograph
Licmophora diatom alga, SEM
Aulacoseira granulata diatom, light micrograph
Ditylium diatom, light micrograph
Fossil diatom, light micrograph
Diatoms, SEM
Tabellaria diatoms, polarised light micrograph
Diatoms, polarised light micrograph
Diatom detail, SEM
Colonial diatom Fragilaria, SEM
Cyanobacteria and diatom, micrograph
Gyrosigma diatom, light micrograph
Cymbella diatom, light micrograph
Encyonema freshwater diatoms, light micrograph
Eucampia marine diatoms, light micrograph
Diatom on cyanobacteria, light micrograph
Diatom and green algae, micrograph
Fragment of a diatom, light micrograph
Aitalica diatoms, SEM
Penium green alga, light micrograph
Penium silvae nigrae green alga, light micrograph
Mougeotia sp. green alga, light micrograph
Colacium sp., LM
Dictyospaerium sp., LM
Phacus orbicularis, LM
Coelastrum sp., LM
Cosmarium amoenum desmid, LM
Glaucocystis sp., LM
Desmodesmus abundans green alga, LM
Oedogonium sp., LM
Synura petersenii, LM
Scenedesmus sp. green alga, LM
Stigeoclonium sp., LM
Batrachospermum sp., LM
Spirulina cyanobacteria, light micrograph
Monomorphina sp. (Euglenozoa), light micrograph
Phormidium sp. cyanobacteria, light micrograph
Staurastrum sp. green algae, light micrograph
Eremosphaera viridis, light micrograph
Pediastrum duplex cf. algae, light micrograph
Volvox sp., green algae, light micrograph
Lepocinclis protist, LM
Synura alga colonies, LM
Gonyostomum flagellate, LM
Euglena mutabilis algae, light micrograph
Peridinium cinctum algae, light micrograph
Netrium digitus algae, light micrograph
Staurastrum margaritaceum algae, light micrograph
Phormidium sp. algae, light micrograph
Scenedesmus quadricauda algae, light micrograph
Pyrocystis sp. algae, light micrograph
Leonella granifera algae, light micrograph
Phaeothamnion sp. algae, light micrograph
Glaucocystis sp. alga, light micrograph
Glaucocystis sp. algae, light micrograph
Groenbladia undulata algae, light micrograph
Cyanoptyche algae, light micrograph
Ophiocytium sp. alga, light micrograph
Porphyridium sordidum algae, light micrograph
Euglena mutabilis alga, light micrograph
Closterium moniliferum alga, light micrograph
Pyramimonas amylifera algae, light micrograph
Tribonema sp. algae, light micrograph
Lepocinclis ovum alga, light micrograph
Mesostigma viride algae, light micrograph
Spirogloea muscicola algae, light micrograph
Xanthonema sp. algae, light micrograph