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A beetle crawls across the pink flowers of a round milk weed blossom on a July afternoon. This plant is host for the Monarch Butterfly  and critical for its survival.
Azolla caroliniana or Mosquito fern, Water fern. It is a small aquatic plant in the family of ferns. It grows on water surface, in the tropics and in general.
Clover, also called trefoil, are plants of the genus Trifolium, consisting of about 300 species of flowering plants in the legume family Fabaceae originating in Europe.
Blastomycosis is a fungal infection caused by inhaling Blastomyces dermatitidis spores. If it involves only the lungs, it is called pulmonary blastomycosis. Only about half of people with the disease have symptoms, which can include fever, cough, night sweats, muscle pains, weight loss, chest pain, and feeling tired.
The study of plant tissues under the microscope in the laboratory.
Photomicrograph of algae, Cosmarium turpinii, a desmid. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination.
Fruits of masterwort (Peucedanum ostruthium). Pennine Alps. Piedmont. Italy.
clover flowers isolated on white background
Asclepias viridiflora (Green Milkweed) Native North American Wildflower
plant Zea Stem C.S. under light mircoscope with white background
Toxoplasma gondii oocyst under the microscope, isolated
Limonium Sinuatum flowers
Picture of a summer delight flower - Ligusticum Scoticum
green nettle plants with flowers
Cross section leaf of plant under the light microscope view for botany education.
Navarretia leucocephala ssp. baker, Baker's navarretia,   is found in Jepson Prairie Reserve, California.
Microscopic image of onion root tip cells undergoing mitosis. Anaphases and metaphases. 1000x magnified
Coffee garden in bloom, Gia Lai province, Central Highlands of Vietnam
Cotton plant root, under the light microscope. Longitudinal section through the root of Gossypium hirsutum, upland or also Mexican cotton. Light micrograph at 20X magnification. Isolated, over white.
Allium flower macro close up for use as a background or plant identifier.
The dwarf ornamental onion (Allium karataviense Regel) 'Ivory Queen' starting to flower with elegant globe-shaped clusters of white starry flowers in garden
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.
Close up of a white Welsh Onion flower against a blurred background in early summer
Diffuse large B-cell lymphoma, or DLBCL, is a cancer that starts in white blood cells called lymphocytes.
Hellebore or Christmas rose in the forest. Helleborus viridis plant in bloom with green flowers
Closeup of wild flower
Linden flowers on a white background
A Hemp Agrimony, Eupatorium cannabinum, flowerhead, with a Great Pied Hoverfly, Volucella pellucens, aka Pellucid Fly or Pellucid hoverfly, feeding.
Rhodiola rosea or golden root, rose root, roseroot, Aaron's rod, Arctic root, king's crown, lignum rhodium, orpin rose. isolated
Tricyrtis hirta, Load lily, hairy load lily or Japanese toad lily is a Japanese species of hardy perennial plant in the lily family. Its star-like flowers are white with rich purple spots and purple stigmas. It blooms in late summer to mid-autumn on arching stems.
Free Images: "bestof:Cvet leguminose.jpg detailed flower of Fabaceae family text in Serbian; detalji cveta Fabaceae Shema_cveta_Fabaceae JPG 2009-12-14 00 05 UTC"
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