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 ...

It’s back... mountain cedar has returned to the pollen count for the first time this season, thanks to breezy north winds.

This image shows what pollen looks like with Acinetobacter, a genus of bacteria common in flowers. Many of the pollen grains are germinating and bursting. (Shawn Christensen, UC Davis) Certain species ...

Plan now for Austin allergy caused by amorous trees that want to spread their pollen everywhere, causing itchy eyes, runny ...

This single grain of pollen on the sigma of a morning glory flower is demonstrating the first step in the process of creating a seed. The spikes covering the pollen grain will help it attach to a ...

One hundred years ago, naturalists and other outdoor enthusiasts had the foresight to collect and preserve natural specimens unique to the Great Basin. Those collections have been entrusted to the ...

There’s more than just pollen riding on a springtime breeze. Just as some human viruses spread when humans reproduce, plant viruses can use pollen to hitch a ride from flower to flower. A study in ...

Spring is here — and it’s pollen season again. For a while we’ve been cleaning off the familiar yellow film blanketing our cars, decks and driveways, and we’ve been watching the pollen scum floating ...