The symptoms were strange. They were the same across multiple oak species—white, swamp white, black, red, post, shingle, chinquapin, blackjack and pin. Leaves thickened, elongated and contorted into ...

While nearly the same amount of corn and soybean acres have been planted every year since the mid-1990s, the use of ...

Imagine a prairie. How many plant species do you see? Maybe you’re picturing yellow coneflowers, some little bluestem, perhaps a few asters. But plant ecologists at the University of Illinois ...

SERVE OR SELL THEM. PENNSYLVANIA IS TRYING TO ENCOURAGE ITS NEIGHBORS TO GET RID OF INVASIVE TREES AND SHRUBS, AND PLANT NEW, LESS PROBLEMATIC ONES. THE DEPARTMENT OF AGRICULTURE’S NEW SO-CALLED ...