Black knapweed (Centaurea nigra)
Common knapweed (Centaurea nigra), X-ray
Red-tailed bumble-bee feeding on knapweed (Centaurea nigra)
Knapweed flower, light micrograph
Knapweed flower, Fluorescence
Honey-bee
Hay meadow grassland
Crab-spider preying on gatekeeper butterfly
Six-spot burnet moth
Cotton thistle (Onopordum acanthium)
Cirsium arvense
Alpine thistle
Knapweed (Centaurea sp.)
Southern knapweed (Centaurea pullata)
Knapweed (Centaurea sphaerocephala)
Greater knapweed (Centaurea scabiosa)
Centaurea flower
Blue safflower (Carthamus caeruleus) in flower
Singleflower knapweed (Centaurea uniflora) in flower
Purple thistle
Centaurea nigrescens
Thistles
Plume knapweed (Centaurea uniflora) in flower
Cornflower (Centaurea cyanus)
Scotch Thistle (Onopordum acanthium)
Creeping thistle (Cirsium arvense) flower
Nodding Thistle (Cirsium purpuratum)
Yellow knapweed (Centaurea salonitana) in flower
Spear thistle seedheads
Adenostyles australis
Ferulago campestris
Snake's head fritillary flower
Spring pasque (Pulsatilla vernalis)
Allium triquetrum
Arctium nemorosum
Carduus nutans subsp. macrolepis
Mountain saxifrage (Saxifraga marginata)
Marsh Helleborine (Epipactis palustris)
Creeping thistle flower
Butterfly and hoverfly on thistle flower
Cornflower (Centaurea nigrifimbriata)
Spear thistle (Cirsium vulgare)
Eryngium alpinum flower
Eryngo (Eryngium alpinum x bourgatii)
Cynara cardunculus var. altilis
Black sanicle (Sanicula marilandica) in flower
Cardoon (Cynara cardunculus)
Sea holly (Eryngium sp.)
Hyssop, close-up
Thick-legged flower beetle on knapweed
Shrill carder bee on knapweed flower
Wild flower meadow
Snake's head fritillary flowers
Wax Creeper (Microloma sagittatum)
Euryops speciosissimus
Othonna parviflora
Confetti bush (Coleonema aspalathoides)
Scarlet pimpernel (Anagallis arvensis)
Gulf of Itea, Greece
リシリアザミ
Caper Spurge (Euphorbia lathyris)
Cyperus capitatus
Western Peony (Paeonia broteroi)
Californian Poppies (Eschscholzia)
Glacier Crowfoot (Ranunculus glacialis)
Golden hawksbeard (Crepis aurea)
Greater periwinkle (Vinca major) stem with one flower
Lingonberry (Vacinnium vitis-idaea)
Knapweed (Centaurea rhizocalathium)
Asplenium trichomanes
Thistle, X-ray
Silver-spotted skipper on thistle flower
Saxifraga 'Gemma'
Purple eastern sowbread (Cyclamen coum)
Brook wake-robin (Trillium rivale)
Daphne bholua 'Jacqueline Postill'
Omphalodes commutata in flower
Pipe vine (Aristolochia baetica)
Love-in-a-mist (Nigella damascena)
Lampwick plant (Phlomis lychnitis)
Chaenorrhinum villosum in flower
Pink catchfly (Silene colorata) in flower
Bridal veil broom (Retama monosperma)
Andryala ragusina in flower
Slender thistle (Carduus tenuiflorus)
Green heather (Erica scoparia)
Foxglove (Digitalis obscura laciniata)
Thrift (Armeria villosa carratracensis)
Hairy woundwort (Stachys ocymastrum)
Griffith's spurge (Euphorbia griffithii)
Pink campion (Silene x hampeana)
Hungarian vetch (Vicia pannonica)
Broomrape (Orobanche caryophyllacea)
Himantoglossum adriaticum in flower
Henbane (Hyoscamus niger) in flower
Nettle-leaved bellflower (Campanula trachelium) in flower
Fireweed (Chamerion angustifolium) in flower
Dark-red helleborine (Epipactis atrorubens) in flower
Alpine catchfly (Silene suecica) in flower
Blunt-flowered rush (Juncus subnodulosus) in flower
Verbena officinalis
Maltese fungus (Cynomorium coccineum)
Long-headed clover (Trifolium incarnatum molinerii)
Thistle flowers
Yellow loosestrife (Lysimachia vulgaris)
Eryngium x tripartitum flowers
Sea Holly (Eryngium 'Orion Questar')
Wild flowers
Globe thistle (Echinops sp.)
Globe thistle bud, light micrographs
Convolvulaceae wildflower
Verbena wildflower
California poppies (Eschschoizia californica)
Japanese iris (Iris laevigata)
Wood lily (Lilium philadelphicum)
Purple pitcher plant (Sarracenia purpurea) flowers
Scarlet Indian paintbrush (Castilleja coccinea)
Green-keeled cottongrass (Eriophorum viridicarinatum)
Tuberous grass pink (Calopogon tuberosus)
Northern green orchid (Habenaria hyperborea)
Blue-bead lily (Clintonia borealis)
Pink lady's slipper (Cypripedium acaule)
Mountain maple (Acer spicatum) in flower
Three-leaf Solomon's-seal (Maianthemum trifolium)
Common wintergreen (Pyrola minor)
Blue flag iris (Iris versicolor)
Huron green orchid (Platanthera huronensis)
Scottish asphodel (Tofieldia pusilla)
Alpine catchfly (Silene suecica)
Thrift (Armeria maritima)
Largeleaf avens (Geum macrophyllum)
Common cow parsnip (Heracleum maximum)
White mountain orchid (Pseudorchis albida ssp. straminea)
Northern anemone (Anemone parviflora)
Rose twisted stalk (Streptopus lanceolatus var lanceolatus)
Longstalk starwort (Stellaria longipes ssp longipes)
Hoary whitlowgrass (Draba incana)
Mistassini primrose (Primula mistassinica)
Lizard's tail (Saururus cernuus)
Cowslip (Primula veris)
Senecio tenorei
Agropyron pungens
Viola suavis
Crocus flowers
Wild cherry (Prunus avium) blossom
Wood anemone (Anemone nemorosa) flower
Ramskop Nature Reserve, South Africa
Lachenalia mutabilis
Cape Aloe (Aloe ferox)
Cobra Lily (Chasmanthe floribunda)
Natal Laburnum (Calpurnia aurea)
Cape Cowslip (Lachenalia aloides)
Krantz Aloe (Aloe arborescens)
Fan Aloe (Aloe plicatilis)
Dune Buchu (Acmadenia obtusata)
Euphorbia caput-medusae
Green Wood-orchid (Bonatea speciosa)
Ragwort (Senecio spiraeifolius)
Cancer bush (Sutherlandia frutescens)
Leucospermum hypophyllocarpodendron
Green heath (Erica sessiliflora)
Snowdrops (Galanthus nivalis)
Othonna intermedia
Bulbinella latifolia
Ferraria crispa
Bitter Aloe (Aloe ferox)
Rhodochiton atrosanguineum
Rhodothamnus chamaecistus
Longspur columbine (Aquilegia longissima)