Invasive plant spreads across Portugal and lengthens allergy season

AI Summary

Pampas grass is spreading across Portugal, threatening biodiversity and increasing vegetation management costs. Experts warn that its pollen may prolong allergy season and are calling for action to contain the invasive plant.

Known for its showy plumes and used as an ornamental for decades, pampas grass, also known as Cortaderia selloana, is spreading, threatening biodiversity and raising vegetation management costs. Experts call for urgent action to halt its advance and reduce pollen exposure.