Possumhaw

Panhandle

Franklin, Gadsden, Holmes, Jefferson, Leon, Liberty, Santa Rosa

North

Alachua, Columbia, Gilchrist, Hamilton, Levy, Madison, Nassau, Suwannee, Union

Central

DeSoto, Hardee, Hillsborough, Polk, Sarasota

21 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.