Phil Savoie / Mining bee (Andrena sp.), harvesting pollen from anthers of Cherry tree (Prunus sp.) Ripon Wisconsin USA, May.
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Chris Mattison / Stigma and anthers of Cactus flower (Notocactus crassigibbus). Cultivated plant. Focus-stacked image.
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Gabriel Rojo / Close up of Passionflower (Passiflora caerulea) La Pampa, Argentina.
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Stephen Dalton / Close up of the inside of a foxglove (Digitalis purpurea) showing the pistil and stamen, UK.
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Wild Wonders of Europe / Bartocha / Common peony (Paeonia officinalis) close up of stamens and stigma, Monti Sibillini National Park, Italy, May.
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Nick Upton / Hoverfly (Myathropa florea), using proboscis to feed on pollen from anthers of Ivy flowers (Hedera helix). Wiltshire garden, UK, September
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Kim Taylor / Herb Robert {Geranium robertianum} close-up of stamen and anthers, showing pollen grains, Surrey, England.
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Tim Fitzharris / Blanketflower (Gaillardia sp) close-up showing pollen covered anthers and dense pistils in center, North America
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Robert Thompson / Trumpet lily (Lilium 'Yellow Planet') close-up of stamens, County Down, Northern Ireland. August.
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Robert Thompson / Yellow loosestrife (Lysimachia punctata) close up of stamens, County Down, Northern Ireland. July.
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Robert Thompson / Passion flower (Passiflora caerulea) stamen detail, Banbridge, County Down, Northern Ireland. April.
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Robert Thompson / Hawthorn (Crataegus laevigata) flowers, Brackagh Moss National Nature Reserve, County Armagh, Northern Ireland. May.
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Robert Thompson / Greater stitchwort (Stellaria holostea) stamen detail, Brackagh Moss National Nature Reserve, County Armagh, Northern Ireland. April.
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Paul Harcourt Davies / Nettle-leaved bellflower (Campanula trachelium) in flower, Lazio, Italy. July.
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Paul Harcourt Davies / Rattlesnake root purple lettuce (Prenanthes purpurea) in flower, Tuscany, Italy. July.
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Paul Harcourt Davies / Dog rose (Rosa canina) in flower, Podere Montecucco Garden, Umbria, Italy. June.
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Paul Harcourt Davies / Dog rose (Rosa canina) in flower, Podere Montecucco Garden, Umbria, Italy. June.
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Paul Harcourt Davies / Blackberry bush (Rubus fruticosus) in flower, Umbria, Italy. June.
Paul Harcourt Davies / St Bruno's lily (Anthericum liliastrum) in flower, Umbria, italy. May.
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Paul Harcourt Davies / Tragopogon x mirabilis, a natural hybrid between Goat's beard (Tragopogon pratensis) and Salsify (Tragopogon porrifolius) found in several colour forms, Umbria, Italy. May.
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Paul Harcourt Davies / Close up of Goat's beard (Tragopogon pratensis) flower, Umbria, Italy. May.
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Paul Harcourt Davies / Common dogwood (Cornus sanguinea) flower head, Umbria, Italy. May.
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Paul Harcourt Davies / Mediteranean medlar tree (Crataegus azarolus) flowers, Umbria, Italy. May.
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Paul Harcourt Davies / Silvery crocus (Crocus biflorus) in flower growing on path, Tuscany, Italy. January.
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Paul Harcourt Davies / Alpine crocus (Colchicum alpinum), an autumn crocus, in flower, Lazio, Italy. August.
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Paul Harcourt Davies / Yellow water-lily (Nuphar lutea) in flower, Umbria, Italy. May.
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Paul Harcourt Davies / White rockrose (Helianthemum appeninum) in flower, Sibillini, Umbria, Italy. May.
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Christophe Courteau / Studio timelapse of Cherry tree (Prunus sp.) blossom opening, France.
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Christophe Courteau / Studio timelapse of Cherry tree (Prunus sp.) blossom opening, France.
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Christophe Courteau / Timelapse of Common poppy (Papaver rhoeas) flower moving, France.
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Will Watson / Blackthorn or sloe (Prunus spinosa) blossom in hedgerow, Herefordshire, England, UK.
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Nigel Cattlin / Lenten rose (Helleborus hybridus) red flower of an ornamental garden plant showing typical structure of flowering Ranunculaceae, Berkshire, UK, February.
