Cardoon (Cynara cardunculus)
Dead cardoon flowers (Cynara cardunculus)
Cynara cardunculus var. altilis
Close-up of an artichoke
Artichoke (Cynara cardunculus), X-ray
Artichoke (Cynara cardunculus) plant, X-ray
Wallflower (Erysimum cheiri)
Forget-me-not (Myostis symphytifolia)
Iranian poppy (Papaver bracteatum)
Black knapweed (Centaurea nigra)
Pokeroot (Phytolacca americana)
Sweet rocket (Hesperis matronalis)
Pokeweed (Phytolacca americana)
Oregano (Origanum vulgare)
Wild marjoram (Origanum vulgare)
Sea holly (Eryngium sp.)
Globe artichoke (Cynara scolymus)
Horseradish (Amoracia rusticana)
Chinese peony (Paeonia lactiflora)
Carline thistle
Fennel (Foeniculum vulgare)
Yarrow (Achillea millefolium)
Achillea 'Pretty Belinda'
Deadly nightshade (Atropa belladonna)
Columbine (Aquilegia vulgaris)
Globe thistle (Echinops sp.)
Thistles
Rose bud (Rosa sp.)
Woad (Isatis tinctoria)
Purple coneflower (Echinacea purpurea)
Echinacea plant
St. John's wort (Hypericum perforatum)
Costmary flower heads, SEM
Thistle flower head abstract
Sunflower bud section, light micrograph
Ox-eye daisy (Leucanthemum vulgare)
Cardoon
Knapweed flower, Fluorescence
Carline thistle (Carlina vulgaris)
Sacred lotus (Nelumbo nucifera)
Rudbeckia fulgida 'Goldsturm'
Red deadnettle (Lamium purpureum)
Wooly thistle (Cirsium heterophyllum)
Ox-eye daisies (Leucanthemum vulgare)
Poppy anemone (Anemone coronaria)
Peony (Paeonia lactiflora)
Valerian flowers (Valeriana officinalis)
Spiny rest harrow (Ononis spinosa)
White dead nettle (Lamium album)
Elecampane (Inula helenium)
Vervain (Verbena officinalis)
Sea holly
Hellebore flower (Helleborus sp.)
Dandelion (Taraxacum officinale) seedhead
Red sage (Salvia coccinea)
Laurentia (Isotoma axillaris) flowers
Tarragon flower bud, SEM
Sea campion flower
Peony bud
Thyme (Thymus sp.)
Canna (x generalis) x indica in flower
Typhonium trilobatum
Lizard orchid (Himantoglossum hircinum)
Coneflower (Echinacea purpurea)
Red clover (Trifolium pratense)
Creeping comfrey (Symphytum grandiflorum)
Spear thistle seedheads
Sisyrinchium 'Saphine'
Tulip abstract
Sisyrinchium 'Ball's Mauve'
Clematis 'Dr Ruppel'
Rose 'Gertrude Jekyll'
Borage flower
Jasmine flower (Jasminum officinale)
Paeonia lactiflora 'Shirley Temple'
Honeysuckle (Lonicera sp.)
Hops (Humulus lupulus)
Knapweed flower, light micrograph
Pasque flower (Pulsatilla vulgaris)
Peonies (Paeonia lactiflora)
Still life with cardoon, chopping board, bowl, knife
Lily (Lilium sp.)
Crocus (Crocus vernus)
Hydrangea macrophylla 'Mariesii' and Astilbe
Columbine flower (Aquilegia sp.)
African lily (Agapanthus africanus)
Montbretia (Crocosmia sp.)
Old fashioned rose (Rosa sp.)
Germander speedwell (Veronica chamaedrys)
Three bugle (Ajuga reptans) spikes
Lathyrus latifolius 'Pink Pearl'
Sanguisorba hakusanensis 'Lilac Squirrel'
Hippeastrum sp. flower
Giant chives (Allium montanum)
Day lily (Hemerocallis fulva x Hybrida 'Morocco') in flower
French lavender (Lavandula stoechas)
Peony (Peony lactiflora 'Baroness Schroeder')
Northern sea oats (Chasmanthium latifolium) plants
Joyweed (Alternanthera brasiliana 'Purple Prince') plants
Trifolium repens seeds, macrophotograph
Stinging nettle (Urtica dioica)
Agrimony (Agrimonia eupatoria)
Mint (Mentha sp.)
Chive (Allium schoenoprasum) flowers
Black-eyed Susan vine (Thunbergia alata) flowers
Korean hyssop (Agastache rugosa)
Purple coneflowers
Lavender (Lavandula stoechas)
Valerian (Valeriana officinalis)
Holy basil (Ocimum sanctum)
Purple coneflowers (Echinacea sp.)
Lady orchid (Orchis purpurea)
Sage (Salvia sp.)
Sage flowers (Salvia sp.)
Yellow coneflower (Echinacea paradoxa)
Narcissus 'Ice King'
Feverfew (Tanacetum parthenium)
Cowslip (Primula veris)
Queen of the prairie (Filipendula rubra)
Sorrel (Oxalis incarnata)
Wild thyme (Thymus polytrichus)
Marsh spurge (Euphorbia palustris)
Coneflowers (Echinacea 'Robert Bloom')
Pendulous sedge (Carex pendula)
Sweet iris (Iris pallida)
Marsh marigolds (Caltha palustris)
Coltsfoot (Tussilago farfara)
Tufted hair-grass (Deschampsia cespitosa) flowers
Hemp agrimony (Eupatorium cannabinum)
Dahlia flower (Dahlia sp.)
Crocus flowers (Crocus tommasinianus)
Iris sibirica 'Silver Edge'
Blue wild indigo (Baptisia australis)
Codlins and cream (Epilobium parviflorum)
Tormentil (Potentilla erecta)
Red clover flowers (Trifolium pratense)
Old woman (Artemisia stelleriana)
Liverwort (Hepatica nobilis)
Touch-me-not (Impatiens capensis)
St John's wort flowers