Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
Photomicrograph of algae, Cosmarium turpinii, a desmid. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination.
Freshwater aquatic zooplankton and algae under microscope view
centropyxis aculeata (amoeboid organism) under the microscope - optical microscope x400 magnification
Phacelia tanacetifolia blue tansy
Alpine flowering plant
Avocado flowers (Persea americana) blooming,  with green vegetation background
orchid in spring
A macro image of field  penny cress also know as Thlaspi arvense
Forget-me-nots (Myosotis arvensis) blue Flowers. Rosette of the weed Forget-me-not Marsh semperflorens. High quality photo
Nigella damascena, also known as Love-in-a-mist and Devil in the bush, is an annual garden flowering plant, which belongs to the buttercup family Ranunculaceae. Native to southern Europe, north Africa and south-west Asia, it is found on neglected, damp patches of land. Its common name “Love-in-a-mist” comes from the flowers being nestled in a ring of multifid, lacy bracts. The flowers, blooming in early summer, are most commonly different shades of blue, but can be white, pink or pale purple, with 5 to 25 petals.
Photomicrograph of filamentous blue-green algae, Oscillatoria species. Each band along the stand is one cell. This filament is very short probably having recently parted from a longer one. Filaments are typically many times longer. This algae is mobile, it moves and twists through the water. San Francisco Bay, California, USA. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination. Note - motion blur of live specimen, very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.
The terrestrial Roman orchid is opening its yellow flowers in spring on Cyprus.
the small island of baltrum in germany
Cow Parsley in a field.
Garden flowers close-up. Summer beautiful fresh background
Space for text
Microzooplankton under microscopic view, zooplankton
Lysimachia punctata - Gilbweiderich in the garden
Plants in Zurich
Stout medium to tall, rather bristly biennial or short-lived perennial, to 2.5m; stem hollow, ridged. Leaves pinnate with often 5 broad, lobed and toothed segments, bristly; upper leaves with large inflated bases. Flowers white, rarely pink, 5-10mm, in large umbels up to 15cm across with 12-25 rays; petals of outer flowers very unequal; bracts few or absent. Fruit elliptical to rounded, 7-10mm, flattened and broadly winged.\nHabitat: Open woodland, banks and rough grassland.\nFlowering Season: April-September.\nDistribution: Throughout Europe, except the extreme north.\n\nGenerally the commonest umbellifer flowering during the (late) summer and quite variable.
closeup of the bright yellow foliage of 'White Gold' bleeding heart. Lamprocapnos Dicentra spectabilis. High quality photo
Photomicrograph of rotifer, probably Rotaria rotatoria. Rapidly rotating cilia at top of head, internal organs visible. Green circles are algae. Live specimen. Original image at 40X, wet mount, transmitted brightfield illumination. Indistinct image due to motion blur of live specimen and very shallow depth of field of brightfield illumination.
Euphorbia, flowering plant, spurge, Euphorbiaceae. Euphorbia serrata, serrated Tintern spurge, sawtooth upright spurge. Perennial herb. At the ends of the branches are inflorescences of tiny flowers
Space for text
Native hardy northern plant. It is a large, cylindrical, hooded flower, green in color with brown stripes.
Fools parsley in a grass meadow
the tail of Aelurostrongylus abstrusus, cat lungworm under the microscope
Starflower Plant (Borago officinalis) in Bloom, Close-up
Hare's Ear (Bupleurum ranunculoides), blooming
Euphorbia x martini 'Ascot Rainbow' in Kent, England
Free Images: "bestof:20161114Erodium cicutarium2.jpg Gewöhnlicher Reiherschnabel Erodium cicutarium im Naturschutzgebiet Zugmantel-Bandholz discovery place Sandhausen own AnRo0002"
20140128Schneeball1.jpg
Close-to-a-blade-of-blooming-grass-Alopecurus-pratensis.jpg
flowering-Sainfoin-Onobrychis-viciifolia.jpg
Prunus-spinosa-with-ripe-fruit.jpg
Grapes-Vitis-vinifera.jpg
Die Sammlung Adelsheim im Deutschordensmuseum. (Portrait des Stifters.).jpg
20161114Erodium cicutarium2.jpg
20161114Erodium cicutarium1.jpg
20160326Erodium cicutarium2.jpg
20160502Erodium cicutarium2.jpg
20160412Erodium cicutarium2.jpg
20161005Erodium cicutarium4.jpg
20161005Erodium cicutarium5.jpg
20160603Erodium cicutarium.jpg
20150930Erodium cicutarium2.jpg
20151028Erodium cicutarium2.jpg
20151213Erodium cicutarium2.jpg
20151214Erodium cicutarium2.jpg
20160705Erodium cicutarium2.jpg
20161119Erodium cicutarium2.jpg
20161120Erodium cicutarium2.jpg
20160114Erodium cicutarium2.jpg
20160720Erodium cicutarium2.jpg
20160404Erodium cicutarium2.jpg
20161107Erodium cicutarium2.jpg
20161111Erodium cicutarium2.jpg
20161023Erodium cicutarium2.jpg
20150927Erodium cicutarium2.jpg
20151005Erodium cicutarium2.jpg
20160403Erodium cicutarium2.jpg
20151003Erodium cicutarium2.jpg
20151024Erodium cicutarium2.jpg
20160422Erodium cicutarium2.jpg
20161005Erodium cicutarium2.jpg
20161128Erodium cicutarium2.jpg
20160919Erodium cicutarium2.jpg
20161002Erodium cicutarium2.jpg
20160729Erodium cicutarium2.jpg
20160326Erodium cicutarium3.jpg
20160326Erodium cicutarium1.jpg
20150628Erodium cicutarium.jpg
20160502Erodium cicutarium1.jpg
20160412Erodium cicutarium1.jpg
20160412Erodium cicutarium3.jpg
20160412Erodium cicutarium4.jpg
20150512Erodium cicutarium.jpg
20161114Euonymus europaeus7.jpg
20161114Euonymus europaeus8.jpg
20150508Erodium cicutarium2.jpg
20150418Erodium cicutarium2.jpg
20150611Erodium cicutarium2.jpg
20150703Erodium cicutarium2.jpg
20150825Erodium cicutarium2.jpg
20160224Erodium cicutarium2.jpg
20150703Erodium cicutarium1.jpg
20150731Erodium cicutarium.jpg
20150802Erodium cicutarium.jpg
20150731Erodium cicutarium1.jpg
20150930Erodium cicutarium1.jpg
20150930Erodium cicutarium3.jpg
20151024Erodium cicutarium1.jpg
20151028Erodium cicutarium1.jpg
20151213Erodium cicutarium1.jpg
20151214Erodium cicutarium1.jpg
20151214Erodium cicutarium3.jpg
20151214Erodium cicutarium4.jpg
20151215Erodium cicutarium.jpg
20160214Erodium cicutarium.jpg
20160705Erodium cicutarium3.jpg
20160705Erodium cicutarium1.jpg
20161119Erodium cicutarium1.jpg
20161120Erodium cicutarium1.jpg
20160114Erodium cicutarium3.jpg
20160114Erodium cicutarium1.jpg
20160114Erodium cicutarium4.jpg
20160114Erodium cicutarium5.jpg
20160114Erodium cicutarium6.jpg
20160720Erodium cicutarium1.jpg
20160426Erodium cicutarium.jpg
20160118Erodium cicutarium.jpg
20160313Erodium cicutarium.jpg
20160318Erodium cicutarium.jpg
20160404Erodium cicutarium1.jpg
20161107Erodium cicutarium1.jpg
20161107Erodium cicutarium3.jpg
20161111Erodium cicutarium1.jpg
20161111Erodium cicutarium3.jpg
20161023Erodium cicutarium3.jpg
20161023Erodium cicutarium1.jpg
20160508Erodium cicutarium.jpg
20160403Erodium cicutarium1.jpg
20150927Erodium cicutarium1.jpg
20151005Erodium cicutarium1.jpg
20151021Erodium cicutarium.jpg
20150520Erodium cicutarium.jpg
20131016Erodium cicutarium.jpg
20151003Erodium cicutarium1.jpg
20150518Erodium cicutarium.jpg
20160422Erodium cicutarium1.jpg
20161005Erodium cicutarium1.jpg
Terms of Use   Search of the Day