Dutchman's pipe (Monotropa hypopitys)
Yellow bird's-nest (Hypopitys monotropa)
Broomrape parasitising thyme plant
Maltese fungus (Cynomorium coccineum)
Broomrape (Orobanche caryophyllacea)
Cornflower (Centaurea nigrifimbriata)
Bumble-bee visiting field cow-wheat (Melampyrum arvense)
Three bugle (Ajuga reptans) spikes
Lathyrus latifolius 'Pink Pearl'
Sanguisorba hakusanensis 'Lilac Squirrel'
Germander speedwell (Veronica chamaedrys)
Hippeastrum sp. flower
Cochineal insects on prickly pear cactus
Clary sage (Salvia sclarea) in flower
American ginseng (Panax quinquefolius) berry
Mycotrophic plant Monotropa hypopitys
Knotted cranesbill (Geranium nodosum)
Hairy fleabane (Inula oculus-christi)
Silver sage (Salvia argentea) in flower
Wild gladiolus (Gladiolus kotschyanus)
Rhynchocorys orientalis in flower
Dogtail grass (Cynosurus echinatus)
Black leaf beetle
Cytinus hypocistis in flower
Apennine lousewort (Pedicularis elegans)
Broomrape (Harveya huttonii) in flower
Toothwort
One-flowered cancer root (Orobanche uniflora) in flower
Mount Cenis lousewort (Pedicularis cenisia) in flower
Parasitic fly feeding on flowers
Weevil larva in white campion fruit
Chiastocheta fly pollinating globeflower
Osyris alba in flower
Purple toothwort (Lathraea clandestina) in flower
Field cow-wheat (Melampyrum arvense) in flower
Red Broomrape (Hyobanche sanguinea)
Lady orchid (Orchis purpurea)
Wild thyme (Thymus polytrichus)
Dandelion seeds on a bugle (Ajuga reptans) spike
Red clover (Trifolium pratense)
Drooping mistletoe (Amyema pendula)
Alder bead galls
Ornamental honeysuckle (Morina persica)
Robin's pincushion galls
Cassytha sp. stem, light micrograph
Tar spot on sycamore leaf
Female red-banded sand wasp with caterpillar prey
Gall midge galls on beech leaf
Gall midge gall
Mistletoe on olive tree
Cordyceps fungus on a large fly
Cordyceps fungus on a moth
Silk button spangle galls on a leaf
Common spangle galls on a leaf
Cottony cushion scale bugs
Scale insect, SEM
Argyranthemum 'Grandaisy Pink Halo'
Bacopa 'Secrets XXL Central Pink'
Rudbeckia fulgida var sullivantii 'Goldsturm'
Hemerocallis 'Black Magic'
Sweet woodruff (Galium odoratum)
Hemp agrimony (Eupatorium cannabinum)
Yellow loosestrife (Lysimachia vulgaris)
Cape thatching reed (Chlorophytum Tectorum)
Kerner's lousewort (Pedicularis kerneri) in flower
Caterpillar in white campion fruit
Hyobanche sanguinea
Creeping comfrey (Symphytum grandiflorum)
Scale insects
Laurentia (Isotoma axillaris) flowers
Oregano (Origanum vulgare)
Wild marjoram (Origanum vulgare)
St. John's wort (Hypericum perforatum)
Linaria vulgaris seeds
Honey fungus
Cochineal insects
Fungus parasitising a fly
Gall on a cherry tree leaf
Ivy Broomrape (Orobanche hederae)
Horned poppies (Glaucium grandiflorum)
Low cornflowers (Centaurea depressa)
Wildflowers in grassland, Turkey
Gladiolus kotschyanus in marshland
Oriental poppies (Papaver orientale)
Orange poppies on a mountainside
Wild lily (Lilium kesselringii) in flower
Pyramidal bugle (Ajuga pyramidalis )
Orange poppy (Papaver fugax) in flower
Dark honey fungus
Dandelion (Taraxacum officinale)
Anemone coronaria 'De Caen Mixed'
Rattlesnake Master (Eryngium yuccifolium) flowers
Bluebell (Hyacinthoides non-scripta)
Orange-tip butterfly
Orange-tip butterfly resting on bluebell
Scale insects, SEM
Tachinid fly
Tiger leech
Treehopper and louse
Catananche caerulea 'Alba'
Female European corn borer moth
Amazonian Leaf galls
Typhonium trilobatum
Bacteriophage virus
Bee fly
Fire cuckoo wasp
Parasitic Cylindromyia fly
Parasitic tachinid fly
Parasitic red mites on a frog hopper
Frog hopper
Grey-haired mining-bee with the tringulins of an oil beetle
Lesser hornet hoverfly
Torymus sp. wasp
Eupelmid wasp
Mole flea
Baboons grooming
Varroa jacobsoni mites
Beelouse
Biting midge
Chalcid wasp
Bees pollinating sage flowers
Sleeping sickness parasite, SEM
Sleeping sickness parasites, SEM
Malaria life-cycle, artwork
Kerona protozoan, light micrograph
Toxoplasmosis parasite cyst
Leishmania protozoa and blood cells, SEM
Hartmannella vermiformis protozoa cysts
Legionella infected protozoan, TEM
Feeding sandfly
Relapsing fever tick
Relapsing fever ticks
Mite on bee, SEM
Grey fire-bracket
Dodder parasitic plant on host, light micrograph
Dodder (Cuscuta sp.) on host, polarised light micrograph
Box sucker damage
Mistletoe haustorium, light micrograph
Mistletoe (Viscum album)
Dodder parasitising a tomato plant
Dodder parasitising tomato plants
Mistletoe (Viscum album) on a branch
Algae and protist, light micrograph
Dandelion (Taraxacum officinale) seedhead
Valerian flowers (Valeriana officinalis)
Yarrow (Achillea millefolium)
Pokeweed (Phytolacca americana)
Spiny rest harrow (Ononis spinosa)
White dead nettle (Lamium album)
Elecampane (Inula helenium)
Vervain (Verbena officinalis)
Purple coneflower (Echinacea purpurea)
Echinacea plant
Thyme (Thymus sp.)
Canna (x generalis) x indica in flower
Giant chives (Allium montanum)
Day lily (Hemerocallis fulva x Hybrida 'Morocco') in flower
French lavender (Lavandula stoechas)
Peony (Peony lactiflora 'Baroness Schroeder')
Alpine woodsia (Woodsia alpina) fern
Knapweed (Centaurea rhizocalathium)
Dwarf pea (Vavilovia formosa) flower
Striped lychnis caterpillars on figwort
Sea holly
Red sage (Salvia coccinea)
Hellebore flower (Helleborus sp.)
Korean hyssop (Agastache rugosa)
Purple loosestrife (Lythrum salicaria)
Cicada infected with fungus
Fungal infection in bees
Birthwort stem
Borage (Solenanthus apenninus) flowers