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.

Paul Harcourt Davies / Wildflower meadow dominated by Poppies (Papaver rhoeas) and Wild chamomile (Matricaria chamomilla) in flower in summer,.above Santa Stefano di Sessanio, Abruzzo, Italy. June.

Paul Harcourt Davies / Wildflower meadow dominated by Poppies (Papaver rhoeas) and Wild chamomile (Matricaria chamomilla) in flower in summer,.above Santa Stefano di Sessanio, Abruzzo, Italy. June.

Paul Harcourt Davies / Wildflower meadow dominated by Wild chamomile (Matricaria chamomilla) in summer, above Santa Stefano di Sessanio, Abruzzo, Italy. June.

Philippe Clement / Wild chamomile / German chamomile (Matricaria chamomilla)) in flower, Belgium. 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