The fields are full of beautiful white, daisy-like flowers right now. You might think they are all the same, but look carefully! There are two different flowers out there: ox-eye daisies (Leucanthemum vulgare) and chamomile (Anthemis).
Both flowers are daisy-shaped. They both have many white petals and a bright yellow center. They both grow in sunny fields. From a distance, they look the same.
The key difference is their leaves. Ox-eye daisies have spoon-shaped leaves with lobed edges, while chamomile has feather-like leaves.
If you can get close to the flower, smell it. Daisies do not have an odor, while chamomile does. Corn chamomile (Anthemis arvensis) has a pleasant smell, and stinking chamomile (Anthemis cotula) has an unpleasant smell. And while stinking chamomile is slightly smaller than corn chamomile, the only real way to tell the difference between them is to smell them. I have not found a stinking chamomile plant yet.
One other thing you might notice is that the yellow center of the chamomile becomes dome-shaped as the flower ages. The petals fold downward as the center gets larger. The daisy stays flat.
Have you seen ox-eye daisies or chamomile where you are?