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Leiden leaf c.s. under microscope
Close up of cristal beads
amazing inhabitants of the microworld under a microscope
Hepatocellular carcinoma, HCC under microscopy
Freshwater Closterium algae (unicellular charophyte green algae) - optical microscope x200 magnification
Aquatic (fresh water) nematode living in pond water among cyanobacteria. Live specimen. Wet mount, 10X objective, transmitted brightfield illumination.
Close up of skimmia japonica Kew Green flowers in bloom
This is a close up photograph of a the underside of a fern full with spores in the forest in Redwood National Park in California, USA.
Micro photo of Tardigrade
Underwater photography of tropical reef  species in Papua New Guinea
Leaf of bladderwort, Utricularia vulgaris, a carnivorous plant at Mud Pond in Sunapee, New Hampshire.
Ingapirca, Inca, Ecuador. Scopolamine - The Devil's Breath tree
Common seadragon or weedy seadragon is a marine fish related to the seahorse. Adult common seadragons are a reddish color, with yellow and purple markings. Some have small leaf-like appendages that look like kelp. This provides protection from any enemy. They are related to the seahorse. This image was shot with a Nikon D3s camera and with a Tamron 16 - 300mm lens.
Aesculus hippocastanum (horse chestnut) leaves
Selective focus of The zig-zag eel (Mastacembelus armatus), also known as the tire-track eel, tire-track spiny eel or marbled spiny eel.
Chiton, Tripoplax regularis. on a rock at Salt Point State Park in Sonoma County, California.
3D cartoon and Gaussian surface models, PDB 6kxs, white background
Pleasant Chelidonura Chelidonura amoena occurs in the tropical Indo-West Pacific from Japan down through the Philippines, Malaysia, Indonesia, both east and west coasts of Australia to Hawaii ina depth range from 2-22m, max. length 5.5cm. The carnivore species is often found crawling on coral during daylight hours, feeding on small flatworms which are sometimes quite common in reef environments. This specimen was found on a Encrusting Sponge Clathria sp. on a ship wreck, a post WWII wreck, the Hafa Adai Ferry in Palau 7°19'12.4 N 134°26'39.78 E at 13m depth.
geranium leaf under microscope showing trichomes - optical microscope x200 magnification
Moss leaf under the microscope, green cell background
Sea life Saltwater Fish  Underwater beauty
Micrograph of a moss leaf, Dicranum, with elongated cells, and an elongated midrib (costa) that may be the water conducting cells of the leaf, with polarization at 200x.
abs Lactobacillus Bulgaricus Bacteria - 3d rendered microbiology image. Medical research, health-care concept.
Freshwater aquatic zooplankton and algae under microscope view
Aquarium tropical fish: otocinclus
Common Frog, Rana temporaria tadpole with internal gills, 3 weeks after hatching, in front of white background
Fall Color Foliage Hits Cuyahoga Valley National Park
Representatives of the Lemnaceae, the duckweed family, are well-adapted for use as bioindicators for testing soil and water for toxic substances.  Their rapid multiplication and the simplicity of their anatomy are important advantages for this use.
Wisteria (Wisteria sinensis, Blauregen) blooming in garden
Free Images: "bestof:Halymenia pseudofloresii.jpg Mld Halymenia pseudofloresii F S Collins M A Howe Halymenia pseudofloresii"
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Rhodymenia_pseudopalmata.jpg
Dilsea_carnosa.jpg
Weeksia_coccinea.jpg
FMIB_38454_Halymenia_gelinaria.jpeg
FMIB_38460_Halymenia_gelinaria_(a);_Halymenia_floridana_(b);_Amphiroa_fragilissima_(c).jpeg
FMIB_38463_Halymenia_decipiens.jpeg
FMIB_38465_Halymenia_floresia.jpeg
Cytherea_gibbia,_Halymenia_ligulata_1897_-_Painted_by_L.O._Adams_1865-1945.jpg
Naturalis Biodiversity Center - L.4067927 - Halymenia naegelii Kütz. - Algae - Plant type specimen.jpeg
Naturalis Biodiversity Center - L.4067926 - Halymenia megaspora E.Y.Dawson - Algae - Plant type specimen.jpeg
Naturalis Biodiversity Center - L.4067930 - Halymenia polyclada A.Gepp and E.Gepp - Algae - Plant type specimen.jpeg
Halarachnion_ligulatum_Crouan.jpg
FMIB_53654_Rhodophycees_ou_Floridees_(Algues_rouges)_Grateloupiacees,_Halymenia_ligulata_(Wood)_J_Ag.jpeg
Naturalis Biodiversity Center - L.4019841 - Onslowia endophytica Searles - Algae - Plant type specimen.jpeg
FMIB_38436_Meristotheca_duchassingii.jpeg
FMIB_38419_Meristotheca_duchassaingii;_a_cystocarpic;_b,_tetrasporic,_bearing_Streblonema_invisibile.jpeg
Naturalis Biodiversity Center - L.4086093 - Sebdenia flabellata (J.Agardh) Parkinson - Algae - Plant type specimen.jpeg
Naturalis Biodiversity Center - L.4086094 - Sebdenia flabellata (J.Agardh) Parkinson - Algae - Plant type specimen.jpeg
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