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Algae, a unicellular organism, diatoms

plant Zea Stem C.S. under light mircoscope with white background

centropyxis aculeata (amoeboid organism) under the microscope - optical microscope x400 magnification

Seed pods on a native Australian eucalyptus tree

Close-up of white crown flower or giant Indian milkweed

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.

Olive branch with white buds & flowers with green leaves against a blue sky with clouds

Rhododendron

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.

Umbellularia californica is a large hardwood tree native to coastal forests and the Sierra foothills of California, and to coastal forests extending into Oregon. It is endemic to the California Floristic Province. Oregon myrtle, California bay laurel, pepperwood, spicebush, cinnamon bush, peppernut tree, headache tree, mountain laurel. Modini Mayacamas Preserves, Sonoma County, California. Flowers. Lauraceae.

A petri dish with common yeast and bacteria colonies.

Thai basil is a type of basil with an anise or black licorice flavor that's native to Southeast Asia. It has a purple stem, purple flowers, and thin, dark green leaves.

Chaetoceros is the largest genus of marine planktonic diatoms, phytoplankton

Fennel (Foeniculum vulgare) plant in a bed of herbs

Lily leaf c.s. under microscope

Euphorbia 'Ascot Rainbow' in Eynsford, England

Lemon verbena,

Close-up of osmanthus blooming in the park

Close up of skimmia japonica Kew Green flowers in bloom

Pittosporum (Pittosporum tobira), ornamental tree or bush with very scented leaves. Common hedge on Mediterranean. spring time istanbul

Large mound of bright golden yellow and green variegated foliage of Spindle Euonymus 'Emerald 'n' Gold'

In the field a small Spermacoce verticillata bush with flowers

CommonNandina

close-up photo of a elder flower in spring season

Portulaca oleracea - purslane

Leiden leaf c.s. under microscope

Closeup seeds after blooming time of white Eucalyptus flowers, background with copy space, full frame horizontal composition

Algaes under microscopic view

Flowers of Strawberry Tree (Arbutus unedo). Cinque Terre. Liguria. Italy.

Free Images: "bestof:Serratia marcescens 01.jpg Serratia marcescens on an XLD agar plate Obtained from the CDC http //phil cdc gov/phil/home asp Public Health Image Library Image"

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