Every spring, many people’s thoughts turn to allergies. Common allergens are plants or weeds known as noxious weeds.
Many noxious plants or weeds are also considered invasive, meaning they are not native to the local ecosystem or even native to the U.S.
Wyndly compiled a list of invasive species and outlined how they impact seasonal allergies.
One of the worst invasive species in the world, cogongrass causes ecological and economic damage to forests, agriculture, and natural ecosystems by infesting native wildlife.
They can invade any disturbed area, such as stream banks and roadsides.
The plant’s pollen spreads by the wind, which can aggravate allergies.
It grows in dense stands, with many plants per acre—replacing native vegetation.