Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
Blue-green algae (Cyanobacteria) blooming in polluted water. Photosynthetic bacteria organisms grow in rivers or lakes. A close-up.
Algae in the Polluted Water
Above view of Algae in river Corrib, Wild Atlantic Way, Galway, Ireland.
Leaves of a water lily in a lake in a public park - Østre Anlæg in the center of Copenhagen. The lake is originally part of the fortification of Copenhagen and today it is beloved park. The water lily is a common water plant in Denmark
Closeup of petri dishes with algae.Other images in this series:
Frog Tadpoles Swimming In A Green Pond
Pond weed and algae on the surface of a stagnant pond in Cambridgeshire.
In Western Colorado Moss and Air Bubbles in Shallow Part of Lake Blue Green Algae (Shot with Canon 5DS 50.6mp photos professionally retouched - Lightroom / Photoshop - original size 5792 x 8688 downsampled as needed for clarity and select focus used for dramatic effect)
Water algae close-up; wet green alga fibers at white cardboard; full 1:1 macro;
macro view of the vibrant-green water micro vegetation lying on the water surface of a little drain
Green algae on the surface water
The textures of aquatic plan growth in an outdoor pond.
Close up of algae growing on a pond in the summer
Blue-green algae in full bloom.
Aquatic plant - elodea in aquarium. Selective focus.
A water bloom floats on a river.
Water texture
Closeup of algae bunch
Algae bloom on the Havel River, Brandenburg-State
Water pollution by blooming blue-green algae - Cyanobacteria is world environmental problem. Water bodies, rivers and lakes with harmful algal blooms. Ecology concept of polluted nature.
String Algae, ludwigia  and duckweed, weaving in the flow of water in the swamp, Loop Road, Big Cypress National Preserve, Florida
green river water caused by microalgae growth. microorganisms in a pond in summer give the water a green color. The surface of green water. Tropical green water textures.
Aerial view of vibrant green algae in water, creating an interesting texture and pattern. Nature's beauty and complexity on display.
Nuphar luteais an aquatic plant with leathery leaves, slightly oval in shape, to 40cm across. Yellow, cupped flowers are borne on stalks rising above the water from early summer to early autumn; the plant gets one of its common names, \
Green glowing abstract background
Long river algae flooded with clear transparent water of a fast mountain river with a rocky bottom during the autumn flood rushing after the stream forms a unique picture of wild nature
Stagnated water in the Seine river
Dirty and polluted water surface
green ocean plumage underwater
Seaweed in the sea. Water surface and underwater environment seaweed
Free Images: "bestof:algae green weed plants water surface ecology organic biology"
algae-green-weed-plants-water-112356.jpg
pond-green-alga-algae-environment-864600.jpg
nettles-green-ripe-seeds-plants-87311.jpg
nettles-green-ripe-seeds-plants-87313.jpg
landscape-luxuriant-fine-weather-564738.jpg
algae-beach-covered-green-sea-87870.jpg
Single-green-leaf-over-the-water.jpg
leaves-plants-nature-green-natural-53686.jpg
nature-outdoor-landscape-plants-909063.jpg
river-water-water-plants-stream-952939.jpg
plant-leaves-indoors-green-406900.jpg
green-plants-garden-environment-690136.jpg
reeds-pond-reflections-reflective-19953.jpg
green-leaf-leave-water-plant-eco-1232629.jpg
environmental-protection-326923.jpg
nature-growth-plants-life-green-821579.jpg
moths-leaves-wings-green-animals-1153421.jpg
moths-leaves-wings-green-animals-1153422.jpg
turtle-reptile-amphibian-animal-828654.jpg
nature-leaf-water-bug-green-660980.jpg
nettles-green-ripe-seeds-plants-87312.jpg
Green-leaf-with-water-drops.jpg
nature-plant-fern-leaves-frond-605506.jpg
green-leaves-nature-leaf-plant-979056.jpg
snail-aquarium-mirror-image-water-143884.jpg
Globe-and-arrows.jpg
Plants-in-modern-pot-on-white-table.jpg
Leaf.jpg
water-drops-leaves-nature-vine-165970.jpg
plant-pot-plant-grow-flower-pot-931932.jpg
Young-basil-plants-in-flower-pot.jpg
leaves-green-nature-leaf-plant-594456.jpg
Young-basil-plants-in-flower-pot-in-kitchen.jpg
Young-basil-plants-in-flower-pot-in-kitchen-wooden-table.jpg
Young-basil-plants-in-flower-pot-in-kitchen-table.jpg
nature-plant-leaves-oleander-wet-768836.jpg
environmental-protection-environment-683437.jpg
trees-green-nature-plants-outdoors-445712.jpg
grass-rosa-green-summer-macro-1243082.jpg
eden-project-cornwall-eden-project-1605363.jpg
water-lily-flowers-blossoms-water-450712.jpg
giant-leaf-lotus-lotus-leaf-1556769.jpg
leaves-leaf-autumn-season-seasonal-841421.jpg
green-leaves-nature-leaf-plant-711648.jpg
green-leaves-nature-leaf-plant-711645.jpg
your-marigolds-lake-nature-water-1504240.jpg
Green-leaf-macro.jpg
Green-leaf-closeup.jpg
seeds-plants-nature-pods-growth-266739.jpg
windmill-green-wind-environment-664669.jpg
Green-leaf-isolated-on-white.jpg
fern-green-leaf-nature-natural-666486.jpg
ship-rowboat-water-pond-pier-736306.jpg
thistle-weed-flower-garden-nature-56504.jpg
stone-gravel-mont-dol-geoje-1340769.jpg
A-small-river-surrounded-by-rocks-and-green-plants.jpg
background-background-view-of-nature-1606047.jpg
alligator-gator-florida-grass-lake-1286215.jpg
corn_earworm,_face_side_2014-06-04-20.53.55_ZS_PMax.jpg
feathered_baby.jpg
Cactus.jpg
algae-green-river-unicellular-warm-87762.jpg
algae-rocks-water-plants-1047550.jpg
moss-algae-green-growth-nature-1049026.jpg
green-water-lilies-plants-pond-1148417.jpg
seaweed-sea-weed-algae-marine-1498957.jpg
seaweed-sea-weed-algae-marine-1498962.jpg
Green-water-plants-Wallpaper.jpg
Green-water-surface.jpg
water-green-nature-environment-943327.jpg
green-plants-dry-withered-nature-698708.jpg
green-blue-water-lilies-nature-734010.jpg
sea-green-water-blue-lake-life-1271872.jpg
green-plants-in-pot.jpg
water-plants-waterplant-green-leaf-452654.jpg
water-plants-leaves-green-sea-shore-422502.jpg
organic-macro-green-environmental-315145.jpg
organic-macro-green-environmental-315144.jpg
algae-aquarium-biology-ecosystem-316302.jpg
green-plants-reeds-grass-river-925690.jpg
pond-water-green-tranquil-surface-1063129.jpg
water-plants-natural-nature-green-213955.jpg
drift-wood-green-algae-nature-208490.jpg
plants-green-leafs-growth-nature-1103633.jpg
plants-reeds-green-grass-nature-691685.jpg
plants-green-sticks-nature-garden-1644297.jpg
water-plants-nature-green-spring-1392414.jpg
Green-plants-in-a-row-of-test-tubes-with-water.jpg
Green organic vegetables.jpg
birdbath-plants-water-nature-green-580832.jpg
water-green-trees-reflection-504963.jpg
greenhouse-green-plants-growing-454510.jpg
tomato-plants-green-garden-88146.jpg
strawberries-plants-green-fruits-946455.jpg
stream-plants-water-green-flowing-381951.jpg
cucumber-water-green-nutrition-1248430.jpg
water-pond-plants-surface-994877.jpg
plants-grass-green-nature-meadow-691706.jpg
green-vegetable-water-plant-garden-1586897.jpg
aquatic-plants-green-growth-water-1469808.jpg
Terms of Use   Search of the Day