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Spore bags of helminthosporium contain 8 cells. This disease causes helminthosporiosis of wheat. Soon very small and quite harmful.

Witches' butter (Tremella mesenterica) close-up, winter. On a hardwood sapling in Connecticut, after rain. A common jelly fungus, it pops up in wet weather year-round. Edible but tasteless.

Alternaria spore was zoom by transmission electron microscope. Alternaria is a genus of ascomycete fungi. Alternaria species are known as major plant pathogens.

Photomicrograph of an ascus with eight ascospores. This preparation was stained with acid fuchsin, which stains the cytoplasm of the ascospores a deep red color. The fungus is an ascomycete, Diplodia corticola, that infects the wood of oak trees, and is one of the causes of oak decline disease.The picture was taken with a microscope equipped with differential interference contrast optical system that gives a three dimensional effect.

The nematode Steinernema feltiae under the microscope, the species used as a biopesticide to infect fungus gnats in agriculture and gardening.

Photomicrograph of Euglena species. Fresh water, California. Live specimen. Wet mount, 40X objective, transmitted bright field illumination.

amazing inhabitants of the microworld under a microscope

Developing fruits and leaves of the Soap Bark Tree (Quillaja saponaria), endemic to central Chile but cultivated around the world for the medicinal and industrial properties of its soapy bark.

Cytinus hypocistis is an ant-pollinated parasitic plant It grows primarily in locations surrounding the Mediterranean Sea. Its flowers appear in spring.

blue mold close up background, macro photography

Fusarium oxysporum is a malignant phytoparasitic fungus. It mainly lives in the soil and causes root rot of crops. In wet years it is able to grow on grains and ears of wheat and barley.

plant Stem of Nymphaea tetragona T.S. under light mircoscope with white background

Parasite egg Ascaris lumbricoides find with microscope in laboratory.

Trematode parasite under a microscope

science aquaculture fish parasite Benedenia seriolae worm micrograph

Natural agate surfaces, suitable for backgrounds and wallpapers.

Photomicrograph of newly hatched freshwater leech. Note multiple eyes at head and second attachment sucker at tail. Body length approx. 3 mm. Live specimen. Wet mount, 5X objective, transmitted brightfield illumination.

Paramecium caudatum is a genus of unicellular ciliated protozoan and Bacterium under the microscope.

Marine flatworm - Planaria, crawling on the glass, Black Sea

Aspergillus fumigatus is one of the most common Aspergillus species to cause disease in individuals with an immunodeficiency. This pathogen primarily causes invasive infection in the lung.

Microscopic image of the operculum of a shrimp with possible disease. Research. Study. Laboratory. Aquaculture. Findings of disease in shrimp.

Squash preparation of onion root tip cells stained to reveal chromosomes, Bright field illumination, light microscopy. This image was taken with the X40 objective lens. Depth of focus is extremely low at this magnification. Smaller apertures give greater depth of focus, but image quality deteriorates and resolution is greatly reduced. The aperture in this image was optimised for contrast and resolution. Chromatic abberation is inevitable in light microscopy, but has been kept to a minimum in this image.

empty snail shell hanging from the end of a grass leaf

Two specimens of the endemic Cruckshanksia montiana (which has no English or local Spanish name) growing in coastal sand-dunes in the southern Atacama Desert region of Chile. Confined to Chile, this species can exist with very little water although, in years when the desert receives rain, Cruckshanksia will comprise some of the ‘flowering desert’ flora that happens particularly when there is an El Niño warming of the nearshore Pacific Ocean. This species has vivid yellow flowers surrounded by larger, equally yellow sepals, presumably to attract pollinators, while the regular green leaves grow close to the sand.

Gyrodactylus is ectoparasitic flatworms infections in fish.

Closeup of small wild flower

Photomicrograph of Paramecium caudatum. Consists of only one cell. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination.

Host cells with spores (mold) are inside wood under the microscope for education.

Egg parasite in stool exam real sample.

Triphysaria eriantha is a species of flowering plant in the family Orobanchaceae, known by the common names johnny-tuck and butter-and-eggs. It is native to California and southwestern Oregon, where it grows in many types of habitats including chaparral, becoming quite common in some areas. Jejpson Prairie. California.

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