Love in the mist seed head (Nigella sp.)
Love in the mist flower (Nigella sp.)
Love in the mist (Nigella sativa)
Thorn apple seed pod
Thorn apple (Datura stramonium) seed pod
Love in a Mist (Nigella damascena)
Carline thistle
Beech (Fagus sylvatica)
Fennel (Foeniculum vulgare)
Thornapple seeds
Majidea sp. seed pod
Lipstick tree seed pod and seeds
Seed pod
Traveller's palm seed pods
Teasel seed head
Teasel flower head
Sea holly
Japanese water iris seed pods (Iris sp.)
Carline thistle (Carlina vulgaris)
Field pennycress seed pod
Bottle tree seed pods
Rosary pea seed pods
Rubber vine seed pod
Devil's claw seed pods
Lipstick tree seed pods
Love-in-a-mist (Nigella damascena)
Spear thistle (Onopordum sp.)
Blessed thistle (Cnicus benedictus)
Nigella (Nigella damascena) seed pods
Borage leaves
Love-in-a-mist (Nigella damascena) flowers and seed heads
Nigella seed grain, LM
Common toadflax flowers (Linaria sp.)
Spices
Honey locust thorn
Ceiba;name of a genus of many species of large trees found in tropical areas;including Mexico;Guatemala;Central and South America
Rose thorns
Cactus spines
Cactus plants
Cactus plant
Acacia flowers (Acacia karoo)
Love in a mist (Nigella damascena)
Sweet chestnut
Sweet chestnuts (Castanea sativa)
Butcher's broom (Ruscus sp.) stem, light micrograph
Achiote seed pods
Sunflower pollen, SEM
Flower pollen
Fennel (Foeniculum vulgare), SEM
Love-in-a-mist (Nigella damascena) flowers
Love in a mist (Nigella sativa)
Thorn apple on white background
Love in the mist (Nigella sp.)
Prickly pear cactus (Opuntia sp.)
Castor oil plant
Honesty (Lunaria) seed pods
Ragged lady (Nigella damascena)
Wind sculpted hawthorn tree (Crataegus monogyna)
Balm of Gilead (Cedronella canariensis) stem
Black mustard, SEM
Bramble (Rubus sp.) branch, X-ray
Shepherd's purse seed pod
Common toadflax (Linaria vulgaris)
Broom (Genista tinctoria)
Liverwort (Hepatica nobilis)
White dead nettle (Lamium album)
Barbed skullcap (Scutellaria barbata)
Bogbean (Methyanthes trifoliata)
Lady's mantle (Alchemilla vulgaris)
Lovage (Levisticum officinale)
Nigella seed, SEM
Bladder senna seed pods
Carob tree seed pods (Ceratonia siliqua)
Spear thistle (Cirsium vulgare)
Sea holly (Eryngium giganteum)
Pineapples (Ananas comosus)
Fox-tail agave (Agave attenuata)
Castor oil fruits (Ricinus communis)
Acacia thorns
Century plant leaves
Spurge (Euphorbia canariensis)
Spear thistle flower
Cotton thistle (Onopordum acanthium)
Cabbage thistle (Cirsium oleraceum)
Thistle flower
Polaskia chichipe cactus
Heartsease (Viola tricolor)
South African porcupine
Lovage flower, SEM
Nigella damascena 'Persian Jewels'
Dandelion and nettles
Daffodil (Narcissus sp.) seed pods
Caper spurge (Euphorbia lathyris) seed pods
Common sorrel (Rumex acetosa) seed
Hedgehog cactus (Echinocereus sp.)
Nigella
Marigold pollen grain, SEM
Arnica pollen grain, SEM
Common ragweed pollen, SEM
Marsh mallow pollen, SEM
Garden sorrel flowers
Common butterbur (Petasites hybridus)
Dandelion flower (Taraxacum officinale)
Columbine (Aquilegia vulgaris)
Horseradish (Amoracia rusticana)
Wallflower (Erysimum cheiri)
Goldenrod (Solidago virgaurea)
Cornflowers (Centaurea cyanus)
Stinging nettles (Urtica dioica)
Sundew plant leaf gland, SEM
Puncture vine (Tribulus terrestris)
Black cumin: seeds, capsules and oil
Tobacco (Nicotiana alata) leaf, SEM
Prickly pear (Opuntia ficus-indica)
Black seed (Nigella sativa) in a glass
Fresh green succulent plants in garden
Cactus against a clear blue sky
Thorny plant stalk
Holly (Osmanthus heterophyllus)
Close-up of thorns on a spiked plant, San Miguel de Allende, Guanajuato, Mexico
Close-up of cactus plant, Yelapa, Jalisco, Mexico
Close-up of cactus
Peacock butterfly caterpillars
Cactus in flower
Cactus (Winterocereus aureispina)
Dried teasel abstract
Rosa thorns
Parodia herteri cactus
Gymnocalycium stenopleurum cactus
Gymnocalcyium horstii cactus
Mammillaria geminispina cactus
Parodia cactus and succulents
Bramble stem, foliage and root system
Eryngium 'Dove Cottage Hybrid'
Houseleek (Sempervivum 'Blue Boy')
Houseleek (Sempervivum montana)
Cactus, Epithelantha micromeris
Centaurea sphaerocephala flower
Cactus Facheiroa ulei abstract
Prickly pears (Opuntia ficus-indica)
Euphorbia officinarum subsp. echinus
Slender candelabra euphorbia (Euphorbia avasmontana)
Succulent spiny spurge (Euphorbia grandicornis)
Eryngium x tripartitum flowers
Gorse (Ulex europaeus), Pembrokeshire, Wales, UK
Blue Agave (Agave tequilana)
Agave Plant