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Culture of Clostridium difficile, an anaerobic bacterium. This bacterium is in some cases able to cause severe diarrhoea leading to pseudomembranous colitis and death. Clostridium difficile has caused many nosocomial outbreaks in hospitals.
Close up of wild angelica flowers
The two red admiral butterflies perched delicately on thistle flower tip
Hoverfly on Salbei,Eifel,Germany
Common yarrow flowers close-up with green blurred background. Achillea millefolium, medicinal plant macro photography. High quality photo
Bugs fighting.
Aduly mayfly resting on wild grass meadow in the summer isolated against green backgorund
red striped bugs
Macro photo of a longhorn beetle, Leptura quadrifasciata on heather.
Lactose-negative biofilm-forming Enterobacter cloacae, resistant to multiple drugs.  Enterobacter cloacae is a member of the normal gut flora. These bacteria are responsable for many hospital-acquired infections for which the mortality rate is generally high.
Hoplia argentea  Swabian Alb  Germany
Flys on flower,Eifel,Germany.
Autumn colorful landscape with uncleaned buckwheat field on the edge of the forest plantation on a bright sunny day.
Bumble on blue Phacelia flower on margin of agriculture field with oilseed rape seed pods in background
Wild flowers in beautiful colors from the wonderful nature
In vitro bacterial culture
field grass against the sky, summer
Closeup of wild flower head
A large bumblebee sits on a blue-violet viper's bugloss, pollinating the flowers. A fascinating example of the interaction between insects and plants.
Photomicrograph of water scavenger beetle larva, Hydrophilidae species. Live specimen. Wet mount, 2.5X, transmitted brightfield illumination.
Close-up of small white flowers with a pinkish hue and a red and two Graphosoma Italicum
White shiny bacterial colonies of different sizes grown on brown nutrient agar.
Switzerland - Hiking from Ziegelbrücke to Alpenrand
Robust tall, almost hairless perennial, to 2m; stems hollow, ridged, generally winged with purple. Leaves 2-3 pinnate, with oblong, sharply toothed segments; upper leaves reduced to large inflated sheaths and partially enclosing the developing umbels. Flowers white or pinkish, 2mm, in umbels 3-15cm across, with numerous rays; bracts few and soon falling, or absent. Fruit oval, (with 3 outstanding ridges) 4-5mm, with membranous wings.
Meadow cress flowers bloom beautifully in the field, a tasty and healthy herb
Two flies on the grass.
Mating of dragonflies
Beginning of summer in Israel
A selective focus shot of a bee gathering nectar from a beautiful cow parsley flower with a blurred background
caution of salamander - german warning sign
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P S Krøyer 1899 - Sommeraften ved Skagens strand. Kunstneren og hans hustru.jpg
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Stroop Report - Warsaw Ghetto Uprising 06b.jpg
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Dorflinde Haselbach.jpg
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Burg Zwernitz, 2, edit.jpg
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Dorflinde Haselbach, 2.jpg
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