David Woodfall / Corn Marigold (Chrysanthemum segetum) and Scentless mayweed (Tripleurospermum inodorum) machair habitat, North Uist, Scotland, UK, July.

David Woodfall / Corn Marigold (Chrysanthemum segetum) and Scentless mayweed (Tripleurospermum inodorum) with Poppy (Papaver rhoeas) machair habitat, North Uist, Scotland, UK, July.

David Woodfall / Scentless Mayweed (Tripleurospermum inodorum) and Corn Marigold (Chrysanthemum segetum) growing on cultivated machair. Berneray, North Uist, Scotland, UK, July.

SCOTLAND: The Big Picture / Scentless mayweed (Tripleurospermum inodorum) on field margin of wheat crop, Aberdeenshire, Scotland, UK. July.

Nick Upton / Sunflowers (Helianthus annuus), Corn marigolds (Chrysanthemum segetum) and Scentless mayweed / False chamomile (Tripleurospermum inodorum) flowering in arable field, Pembrokeshire, Wales, UK. August.

Nick Upton / Sunflowers (Helianthus annuus) and Scentless mayweed / False chamomile (Tripleurospermum inodorum) flowering in arable field, Pembrokeshire, Wales, UK. August.

Nick Upton / Sheep (Ovis aries) grazing coastal grassland among a dense stand of Scentless mayweed / False chamomile (Tripleurospermum inodorum), St.David's, Pembrokeshire, Wales, UK. August.

Nigel Cattlin / Scentless mayweed, (Tripleurospermum inodorum) a weed and secondary pest host flowering, with flower beetles and other insects, Berkshire, July

Nigel Cattlin / Scentless mayweed (Tripleurospermum inodorum) flowering with flower beetles and other insects in Oilseed rape / Canola crop in seedpod stage, Berkshire, July

Nigel Cattlin / Scentless mayweed (Tripleurospermum inodorum) with annual grasses flowering in cereal stubble post-harvest, Berkshire, England, UK, September