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Scentless Chamomile and Oxeye Daisy are both classified as noxious weeds in the Alberta Weed Act and need to be controlled. The Shasta daisy is a common garden feature, it is a domesticated plant and is not classified as a weed, but can easily be confused with Ox-eye Daisy.The heads on all three look similar and are almost impossible to tell apart. It is the leaves you must look at to differentiate between the three.The leaves on Scentless Chamomile are very finely divided, fern like or carrot top looking. The leaves on Oxeye Daisy become thinner the closer they are to the stem and are more jagged. The leaves on a Shasta Daisy are jagged looking, similar to but not identical to the Oxeye Daisy leaves. The Shasta Daisy has more spoon shaped, rounded leaves.Oxeye Daisy is a very attractive common garden flower but create problems when expanding beyond the garden. It can infest the grass and in no time, take over the yard or surrounding areas. The Oxeye Daisy Individual plants can produce over 500 flat, black seeds that are viable in the soil for 2-3 years or more. Seeds have no dormancy requirement and are viable upon dispersal.We strongly recommend people to pull these plants out of their yards, bag them and perhaps replace with another white flower. If everybody does their part, this will help to create a weed free environment.