Volvox colony, light micrograph
Lepadella sp. rotifer, light micrograph
Haematococcus alga, light micrograph
Micrasterias desmids, light micrograph
Ciliate protozoan, light micrograph
Green alga, light micrograph
Green algae, light micrograph
Pennate diatom, light micrograph
Pleurosigma sp diatoms, light micrograph
Tabellaria flocculosa diatom, light micrograph
Aulacoseira granulata diatom, light micrograph
Haematococcus sp. algae, light micrograph
Actinoptychus splendens diatoms, light micrograph
Cosmarium amoenum algae, light micrograph
Three species of diatoms, light micrograph
Green alga and diatoms, light micrograph
Monoraphidium griffithii cf. algae, light micrograph
Fragilaria crotonensis diatom, light micrograph
Uroleptopsis protozoan, light micrograph
Rotifer, light micrograph
Loxophyllum ciliate, light micrograph
Philodina rotifer, light micrograph
Kerona protozoan, light micrograph
Vorticella protozoa, light micrograph
Hypotrich protozoan, light micrograph
Testate amoeba, light micrograph
Red alga, light micrograph
Stentor protozoan, light micrograph
Bdelloid sp. rotifer, light micrograph
Monostyla sp. rotifer, light micrograph
Oscillatoria sp. cyanobacteria, light micrograph
Vorticella sp. protozoa, light micrograph
Brachionus sp. rotifer, light micrograph
Scytonema hyalinum cyanobacteria, light micrograph
Stigonema mammilosum cyanobacteria, light micrograph
Cyanocohniella crotaloides cyanobacteria, light micrograph
Dolichospermum sp. cyanobacteria, light micrograph
Nassula sp. protozoa, light micrograph
Peridinium sp. Dinoflagellate, light micrograph
Spirulina sp. cyanobacteria, light micrograph
Paramecium ciliate protozoa, light micrograph
Porphyridium sp. red algae, light micrograph
Haematococcus sp. green algae, light micrograph
Diatom, light micrograph
Diatoms, light micrograph
Volvox green algae, light micrograph
Cosmarium subgranatum, light micrograph
Phacus alga, light micrograph
Phacus algae, light micrograph
Trachelomonas alga, light micrograph
Ophiocytium algae, light micrograph
Rhoicosphenia sp. algae, light micrograph
Zygnema sp. algae, light micrograph
Netrium digitus algae, light micrograph
Chaetoceros sp. algae, light micrograph
Neglectella eremosphaerophila algae, light micrograph
Orthoseira sp. algae, light micrograph
Pleurotaenium trabecula algae, light micrograph
Desmidium grevillei algae, light micrograph
Peridinium centenniale algae, light micrograph
Hafniomonas reticulata algae, light micrograph
Peridinium cinctum algae, light micrograph
Mesotaenium chlamydosporum algae, light micrograph
Closterium moniliferum algae, light micrograph
Trachelomonas volvocinopsis alga, light micrograph
Trachelomonas volvocinopsis algae, light micrograph
Euglena mutabilis algae, light micrograph
Euglena mutabilis alga, light micrograph
Phacus ranula algae, light micrograph
Phacus ranula alga, light micrograph
Phacus smulkowskianus algae, light micrograph
Euastrum insulare cf. algae, light micrograph
Ochrosphaera verrucosa cf. algae, light micrograph
Netrium elongatum - nepalense cf. algae, light micrograph
Euastrum humerosum desmid algae, light micrograph
Haematococcus algae, light micrograph
Microalgae, light micrograph
Closterium desmid, light micrograph
Tetraselmis chui algae, light micrograph
Microthamnion sp. algae, light micrograph
Onychonema laeve algae, light micrograph
Cosmarium sportella green algae, light micrograph
Cosmarium reniforme sp. algae, light micrograph
Vorticella protozoan, light micrograph
Paramecium protozoan,light micrograph
Paramecium protozoa,light micrograph
Paramecium protozoa, light micrograph
Silicoflagellate, light micrograph
Euastrum desmid, light micrograph
Spirogyra algae, light micrograph
Micrasterias desmid, light micrograph
Xanthidium desmids, light micrograph
Desmids, light micrograph
Cosmarium desmids, light micrograph
Euastrum desmids, light micrograph
Netrium desmids, light micrograph
Nostoc sp. algae, light micrograph
Melosira sp diatoms, light micrograph
Pleurosigma sp diatom, light micrograph
Microsterias green alga, light micrograph
Cyanoptyche algae, light micrograph
Worm feeding on algae, light micrograph
Synura petersenii f. kufferathii algae, light micrograph
Trachelomonas sp. protist, light micrograph
Phaeothamnion sp. algae, light micrograph
Glaucocystis sp. alga, light micrograph
Glaucocystis sp. algae, light micrograph
Ophiocytium sp. alga, light micrograph