Hops (Humulus lupulus)
Hops
Chamomile flowers
Chamomile flower
Passion flower (Passiflora incarnata)
Evening primrose flowers
Valerian flowers (Valeriana officinalis)
Monkshood
Small leaved lime (Tilia cordata)
Lemon-scented verbena
Evening primrose flower
Common chickweed (Stellaria media)
Marigold flowers
Viper's bugloss (Echium vulgare)
Spring fumewort flowers
Corydalis flowers (Corydalis ambigua)
White borage (Borago officinalis)
Evening primrose (Oenothera biennis)
Chamomile flowers (Anthemis nobilis)
Henbane flowers
Coltsfoot flowers
Dark mullein (Verbascum nigrum)
Sweet violet
Peppermint (Mentha piperita)
Maidenhair fern leaves
Indian solanum leaves
White monkshood flowers (Aconitum sp.)
Soft rush (Juncus effusus)
Opium poppy
Passion flower plants
Horsemint (Mentha longifolia)
Scurvygrass
Lesser periwinkle plant
Common tansy flowers
Stevia plant
Peony plant
Peony flowers
Chinese schisandra (Schisandra chinensis)
Common toadflax (Linaria vulgaris)
Sweet clover (Melilotus officinalis)
Barbed skullcap (Scutellaria barbata)
Bogbean (Methyanthes trifoliata)
Elecampane flowers
Monkshood flowers
Comfrey flower
Black-eyed Susan vine (Thunbergia alata) flowers
Hops on hop plant (Humulus lupulus)
Medlar fruit
California poppy
Spiny rest harrow (Ononis spinosa)
White dead nettle (Lamium album)
Purple coneflower flower
Purple coneflower flowers
Love in the mist (Nigella sativa)
Broom (Genista tinctoria)
Horse chestnut blossoms
Comfrey plants
Ginkgo leaf (Ginkgo biloba)
Lady's mantle
Wild lupin plant
Cornflower
Savory
Lesser celandine
Cannabis (Cannabis sativa) leaf with five serated leaflets
Lovage (Levisticum officinale)
Hemlock flowers
Henbane
Raspberry leaves
Lemon verbena
Opium poppy flowers and seed heads
Honeysuckle (Lonicera periclymenum)
Medicinal plants
Lily-of-the-valley flowers
Hawthorn flowers
White horehound (Marrubium vulgare)
Opium poppy flowering
Thornapple plant
Monkshood flowers (Aconitum axilliflorum)
Common hop (Humulus lupulus) in flower
Aristolochia macrophylla leaf
Love in the mist seed head (Nigella sp.)
St John's wort flowers
Sea squill (Urginea maritima)
Ginkgo leaves (Ginkgo biloba)
Opium poppy (Papaver somniferum)
Purple coneflower
Yarrow
Fumitory plant
Wood garlic plants
Hyssop herb
Monkshood roots
Birthwort (Aristolochia clematitis)
Borage leaves
Lady's mantle (Alchemilla vulgaris)
Chinese quince (Chaenomeles speciosa) flowers
White henbane
Thorn apple seed pod
Lavender flowers
Ground ivy (Glechoma hederacea)
Ribwort plantain (Plantago lanceolata)
Wild senna
Clary sage
Arnica flower
Foxglove flowers
Stevia leaves
Silver birch (Betula pendula) leaves
Swiss cheese plant (Monstera deliciosa)
Honeysuckle (lonicera periclymenum)
Wisteria flowers
Yarrow roots and stems
Echinacea flowers and capsules
Garden sorrel flowers
Yellow gentian flowers
Fennel flowers
Foxglove (Digitalis grandiflora)
Shepherd's purse (Capsella sp.)
Whiteleaf Leather flowers (Clematis glaucophylla)
Vase vine (Clematis viorna)
Chinese skullcap flowers
Common butterbur (Petasites hybridus)
Coltsfoot
Female wild hop (Humulus lupulus) in fruit
Ribgrass
Liverwort (Hepatica nobilis)
Cowslip plant
Purple coneflowers
St John's wort
Arnica flowers
Yarrow flowers
Calluna vulgaris heather flowers
Medicinal herbs
Ginseng plant (Panax Ginseng), X-ray
Borage flower
Buttercup flowers
Hedge woundwort (Stachys sylvatica) stem, light micrograph
Green purslane
Stinging nettle
Henna (Lawsonia inermis)
Marsh mallow flowers
Opium poppy flowers
Fenugreek (Trigonella foenum-gracecum)
Golden marguerite (Anthemis tinctoria)
Lady's bedstraw (Galium verum)
Goldenrod (Solidago virgaurea)
Foxglove (Digitalis purpurea)
Wallflower (Erysimum cheiri)
Tansy (Tanacetum vulgare)