Nigel Cattlin / Cocksfoot grass (Dactylis glomerata) anthers bearing pollen within spikelets, close up. Berkshire, England, UK. June.

Nigel Cattlin / Cape pondweed (Aponogeton distachyos) on garden pond, Fly on petal. Berkshire, England, UK. May.

Nigel Cattlin / Tulip (Tulipa sp) flower cross section with mature anthers and style, close up. Berkshire, England, UK. April.

Nigel Cattlin / Tulip (Tulipa sp) flower cross section with immature anthers and style, close up. Berkshire, England, UK. April.

Nigel Cattlin / Tulip (Tulipa sp) flower with red petals, cross section showing mature anthers and style. Berkshire, England, UK. April.

Nigel Cattlin / Tulip (Tulipa sp) flower with orange petals, cross section showing mature anthers and style. Berkshire, England, UK. April.

Nigel Cattlin / Goat willow (Salix caprea) male catkins. Kennett and Avon Canal, Berkshire, England, UK. April.

Nigel Cattlin / White pasqueflower (Pulsatilla vulgaris 'Alba') cross section, close up of stamens and stigma, cultivated in garden. Berkshire, England, UK. April.

Nigel Cattlin / Daffodil (Narcissus cyclamineus 'Jetfire') cross section of flower trumpet with stamens, style and ovules inside ovary. March.

Nigel Cattlin / Field rose (Rosa arvensis) with Pollen beetles (Brassicogethes aeneus) on petals and anthers. Berkshire, England, UK. June.

Phil Savoie / Smeathman's furrow bee (Lasioglossum smeathmanellum) visiting the pollen covered anthers of Dandelion (Taraxacum officinale) At 4.5 mm average size, this is one of the smallest bees in the UK, Monmout...

Heather Angel / Black coral vine (Kennedia nigricans) flowers, pollinated by honeyeaters (flowers triggered by honeyeater, releasing the stamens, style and stigma), Western Australia Sequence 2 of 2