Moss ball could contain invasive zebra mussels, Kentucky
Wyoming aquarium owners return 87 moss balls after discovery of invasive zebra mussels - Cheyenne, WY Cap City News
Invasive zebra mussels found in aquarium moss products (some in Kalamazoo) prompt national response
Colorado Parks And Wildlife Urging Pet Stores To Remove Betta Buddy Marimo Balls Due To Zebra Mussel
Zebra mussels enter waterways via moss balls in home aquariums
NC Wildlife warns aquarium moss balls may contain invasive Zebra Mussels
Invasive zebra mussels found in aquarium item sold at pet stores, ODFW says - KTVZ
Invasive zebra mussels found in pet shops nationwide
Watch out for invasive zebra mussels in aquarium 'moss balls
Mass. Environmental Police asking residents to watch out for destructive zebra mussels found in moss balls