Cyanobacteria endospores (Dermocarpa sp.), TEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Fresh water pennate diatom, SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Diatom frustule and sponge spicule, SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Green alga cyst (Haematococcus pluvialis), SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Green alga (Haematococcus pluvialis), SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Stalked pennate diatom (Gomphonema sp.), SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Pennate diatom frustule (Navicula sp.), SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Dinoflagellate (Gambierdiscus toxicus), SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Green alga on tree bark (Protococcus sp.), SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Diatom (Navicula sp.) and Bacillus megaterium, SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Diatomaceous earth, silica frustules, SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Diatom frustules (centric), SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
pennate diatom colony (Asterionella sp.), SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Diatom frustule (centric), SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Diatom frustules (centric and pennate), SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Diatom frustule (pennate), SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Fresh water pennate diatom (Hantzschia sp.), LM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Spirogyra sp., filamentous green alga, LM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Cyanobacterium and green algae, LM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Diatom frustules (pennate and centric), SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Diatom frustule (Cymbella sp.), SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Volvox aureus, colonial green alga, LM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Green algae (Acetabularia species), LM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Golden colonial alga (Synura sp.), SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Golden alga (Mallomonas sp.), SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Armoured Dinoflagellate (Peridinium sp.), SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Dinoflagellate (Prorocentrum micans), SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Green alga, desmid (Micrasterias sp.), LM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Chloroplast from red alga (Griffithsia sp.), TEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Plant (alga) golgi apparatus, TEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Chloroplast from red alga (Griffithsia sp.), TEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Euglena gracilis, TEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Placoderm desmid (Cosmarium botrytis), SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Prorocentrum gracile, SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Toxic marine dinoflagellate (Karenia brevis) , SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Pyramimonas sp., marine, scaled, green alga, SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Pfiesteria piscidica, SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Moist soil pennate diatom (Navicula sp.), SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Pennate marine diatom (Cymbella sp.), SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Rhodomonas salina, SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Isochrysis galbana, SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Green alga (Tetraselmis sp.), SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Chaetoceros sp., SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Scenedesmus spp., colonial green alga, SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Cyclotella sp., SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Coralline red alga, SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Coralline red alga from Hawaii, SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Marine dinoflagellates (Ceratium spp.), SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Triceratium dubium, SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Triceratium dubium, SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Biddulphia sp., SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Triceratium dubium, SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Biddulphia aurita, SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Centric fossil diatom frustule, SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Euglena, fresh water green alga protozoan, SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Euglena gracilis, fresh water green alga, SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Paramecium multimicronucleatum, LM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY
Heterotrophic dinoflagellate Protoperidinium sp., SEM · DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY