Eastern Mosquito Fern
Azolla caroliniana
Native to Florida

Where it grows in Florida
- Panhandle
- Bay, Escambia, Franklin, Gadsden, Jackson, Jefferson, Leon, Liberty
- North
- Alachua, Clay, Columbia, Flagler, Levy, Marion, Putnam, St. Johns
- Central
- Brevard, Citrus, DeSoto, Highlands, Hillsborough, Indian River, Manatee, Okeechobee, Orange, Osceola, Pasco, Polk, St. Lucie, Sarasota, Seminole, Sumter, Volusia
- South
- Broward, Collier, Glades, Hendry, Lee, Martin, Miami-Dade, Palm Beach
- Keys
- Monroe
42 of 67 counties, from research-grade iNaturalist observations. They show where people have photographed it, not every place it grows — absence here isn't proof it's absent.