Minnesota s Chippewa National Forest is home to most of the world s population of goblin ferns. But time may be running out for the ancient ferns as surrounding forest floors are destroyed by a voracious invader: Earthworms.
For the first time, Asian jumping worms were found in Ontario in March. The discovery of the invasive worms follows sightings in all Great Lakes states except for Michigan, Pennsylvania and New York. Removal of invasive species once they are established is extremely difficult, making prevention essential.