They may look harmless — even pretty, sometimes even cute — but invasive species are draining Canada’s economy by as much as $35 billion every year. "Generally speaking, we encourage reporting of any invasive species," says Emily Posturero, Program Development Coordinator at the Invasive Species Centre. Canadian Coast Guard: Reporting invasive species found in Canada on phoneReporting invasive species is important, but if you spot something unusual, don’t touch it, caution officials. (Image courtesy: Canadian Coast Guard)RELATED: What are invasive plant species? WATCH BELOW: This tall, invasive plant is crowding out native species in OntarioClick here to view the video