A Two for One Special U.S. Fish & Wildlife Service
Invasive zebra mussels found in aquarium products, Indiana DNR says
Invasive, destructive zebra mussels detected in NC moss balls
Zebra mussels on aquarium moss balls prompt nationwide concern
Invasive Zebra Mussels Found In Aquarium Moss Products, 56% OFF
Pest alert: Invasive zebra mussels arrive in Oregon in moss balls sold for aquariums
zebra mussel (Dreissena polymorpha) - Species Profile
New Guidance About Zebra Mussels Found in Aquatic Moss Balls - N.C. Wildlife Resources Commission
Utah DWR warns of invasive zebra mussels found in aquarium moss balls