Seeds that float in the air can hitchhike in unusual places—like the air-intake grille of a refrigerated shipping container. A team of researchers from the USDA Forest Service, Arkansas State University, and other organizations recently conducted a study that involved vacuuming seeds from air-intake grilles over two seasons at the Port of Savannah, Georgia.
Click here for original story, Hitchhiking seeds pose substantial risk of nonnative plant invasions
Source: Phys.org