An electron microscope image, colorized, shows different structures of pollen grains, including sunflower, morning glory and primrose. Dartmouth Electron Microscope Facility If pollen allergies are ...

Allergy season is in full swing, with high pollen counts across Mississippi. Learn when different tree, grass, weed pollens ...

Christine Cairns Fortuin receives funding from U.S. Forest Service, Southern Research Station. Evolution has fostered many reproductive strategies across the spectrum of life. From dandelions to ...

Pollen counts are high across Michigan, especially in the western and northern regions. Tree pollen is prevalent in spring, grass pollen in summer, and ragweed in fall. In addition to taking ...