Greater Duckweed
Spirodela polyrhiza
Native to Florida
Where it grows in Florida
- Panhandle
- Bay, Escambia, Franklin, Leon, Okaloosa, Wakulla
- North
- Alachua, Clay, Columbia, Duval, Gilchrist, Marion
- Central
- Brevard, Hardee, Hillsborough, Indian River, Lake, Manatee, Orange, Pinellas, Polk, St. Lucie, Sarasota, Seminole, Sumter
- South
- Broward, Collier, Martin, Miami-Dade, Palm Beach
30 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.