Powdery mildew
Powdery mildew on a plant, SEM
Mouldy pepper
Powdery mildew, SEM
Phytophthora ramorum sporangia
Rose powdery mildew, SEM
Rust fungus spore, SEM
Mould on leaf, SEM
Grey mould, SEM
Erwinia bacteria, SEM
Cultures of pathogenic Phomopsis fungus
Aquilegia flower eaten by pests
Trichophyton fungus
Rust fungus spores, SEM
Rust fungus, SEM
Greenfly on sycamore leaf
Fungal growth on biological material
White trunk rot fungus
Fungal spores
Rotting fruit
Rust fungus
Palm seeds infected with pestalotia
Mouldy bread
Fireblight
Mealybugs
Banana leaf, red palm mite damage
Tomato russet mite damage
Slime mould on rose
Apple scab fungus infection
Blight fungus
Leaf mould (powdery mildew) on a dahlia leaf, SEM
Rust spots on a plant
Mould on spoiled food
Microspaera, powdery mildew, LM
Fungal spore germination, SEM
Diseased Portuguese laurel leaf
Viburnum whitefly
Yeast infecting a granulocyte, SEM
Candida fungus reproducing, artwork
Cabbage root infection, SEM
Diseased bananas
Leaf miner moth damage
Aspergillus fungus, SEM
Fungus on leaf, SEM
Aspergillus fungus, light micrograph
Bacterial canker on a cherry tree
Citrus plant infection
Aspergillus niger fungus culture
Candida albicans fungus, light micrograph
Wheat affected by wheat leaf rust
Slime Mold (Fuligo septica) plasmodium
Fungal spores, SEM
Black-bean aphid infestation on an artichoke plant
Athlete's foot fungus, SEM
Leaf damage by bagworm larvae
Fungal spores on a lemon grass leaf, SEM
Skin fungus, SEM
Bread mould
Penicillium mould
Aspergillus fumigatus fungus, artwork
Weevil larva in white campion fruit
Erwinia bacteria, TEM
Beetle damage to Gunnera leaves
Syphilis bacteria, artwork
Cultured gonorrhoea bacteria
Q fever bacteria, SEM
Gonorrhoea bacteria, TEM
Rust-susceptible and resistant wheat
Cultured anthrax bacteria
Anthrax antibiotics research
Burkholderia bacterium, TEM
Burkholderia bacteria, TEM
Proteus vulgaris bacteria, SEM
Streptococcus mutans bacteria, SEM
Helicobacyter pylori in stomach tissue
Measuring bacterial sizes, conceptual image
Legionella bacteria, SEM
Meningitis bacteria, SEM
Helicobacter pylori bacterium
Chlamydia bacteria in coronary artery
Infected and normal soya beans
Stenotrophomonas sp. bacteria, TEM
Tobacco mosaic virus, TEM
Rose covered with aphids
Aphids on a rose bush stem
Talaromyces marneffei fungus, light micrograph
Biological tissue infected with pathogenic microorganisms
Petri dish culture of Klebsiella aerogenes
Sunflower rust resistance
Banana leaf infested with mealybugs
Yeast cells, TEM
Cultured Pseudomonas bacteria
Micrococcus bacterium
Microbial colonies on petri dish
Microbes growing on agar plate
Fungus growing on agar
E. coli bacteria
Mycorrhiza, SEM
Powdery mildew mould hypha and spores, SEM
Coccidioidomycosis fungus, micrograph
Candida pseudotropicalis fungus, light micrograph
Trichophyton fungus, ESEM
Sudden oak death research
Campylobacter jejuni bacterium, TEM
Campylobacter jejuni bacteria
Anthrax bacteria
Proteus sp. bacteria, SEM
Diphtheria bacteria, TEM
Borrelia bacteria, SEM
Acinetobacter baumannii bacteria, SEM
Klebsiella pneumoniae bacteria
Borrelia bacteria, TEM