I am now contributing to Survival Cache, a blog on survival topics. Check out the link below on "Emergency Foods from Wild Plants" and keep an eye out for future articles on wild foods and other survival topics like bushcraft skills and survival tools.
Daisies are flowering. Learn to recognize the leaves too, so that you can harvest them in early spring as a green - added to salads or as cooked side.
Many are past, but here is one Marsh Marigold from yesterday. The greens are edible when cooked properly, though the family, Ranunclulaceae - the Buttercup Family, is rather toxic in general (it will be given some attention in the Materia Medica blog and is listed on the toxic plants page).
Sometimes folks aren't familiar with the flowers. But this might be an easier time to find the bushes than when in fruit.