| Alnus serrulata | US, FL, Wakulla County, Sopchoppy River | Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 25/10/1956 | FSU |
| Alnus serrulata | US, FL, Gadsden County, Tallahassee | Robert K Godfrey | | 15/1/1955 | FSU |
| Alnus serrulata | US, FL, Liberty County, Torreya State Park | Robert K Godfrey | | 15/11/1964 | FSU |
| Alnus serrulata | US, FL, Liberty County, Torreya State Park | Robert K Godfrey | | 4/4/1972 | FSU |
| Alnus serrulata | US, FL, St. Johns County, Trout Creek | Robert K Godfrey | | 20/3/1976 | FSU |
| Alternanthera polygonoides | US, FL, Escambia County, Pensacola | Robert Kral Robert K Godfrey | | 28/9/1957 | FSU |
| Alternanthera sessilis | US, FL, Escambia County | Robert K Godfrey | Florida State University, Tallahassee | 6/9/1975 | FSU |
| Alternanthera sessilis | US, FL, Bay County, Big Bear Creek | Robert K Godfrey | | 27/10/1981 | FSU |
| Alternanthera sessilis | US, FL, Bay County, Karst Pond | Robert K Godfrey | | 25/7/1981 | FSU |
| Alternanthera sessilis | US, FL, Gulf County, Wewahitchka | Robert K Godfrey | | 23/7/1977 | FSU |
| Alternanthera sessilis | US, FL, Gulf County, Wewahitchka | Robert K Godfrey | | 6/6/1987 | FSU |
| Alternanthera sessilis | US, FL, Gulf County, Wewahitchka | Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 14/9/1976 | FSU |
| Amaranthus albus | US, FL, Wakulla County, Spring Hill | Robert K Godfrey | | 11/6/1965 | FSU |
| Amaranthus australis | US, FL, Franklin County, East Point | Robert K Godfrey | | 24/7/1957 | FSU |
| Amaranthus australis | US, FL, Franklin County, Lanark Village | Robert K Godfrey | | 11/10/1960 | FSU |
| Amaranthus australis | US, FL, Franklin County, Lanark Village | Robert K Godfrey | | 11/10/1976 | FSU |
| Amaranthus australis | US, FL, Franklin County, Lanark Village | Robert K Godfrey | | 11/10/1960 | FSU |
| Amaranthus australis | US, FL, Citrus County, Ozello | Robert K Godfrey | | 20/11/1964 | FSU |
| Amaranthus australis | US, FL, Citrus County, Ozello | Robert K Godfrey | | 20/11/1964 | FSU |
| Amaranthus australis | US, FL, Palm Beach County, South Bay | Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 2/2/1959 | FSU |
| Amaranthus australis | US, FL, Hernando County, Weekiwachee River | Richard D Houk Robert K Godfrey | | 30/9/1963 | FSU |
| Amaranthus australis | US, FL | Robert K Godfrey | | 24/7/1957 | FSU |
| Amaranthus blitum | US, FL, Putnam County, Hastings | Robert K Godfrey | | 3/5/1978 | FSU |
| Amaranthus blitum | US, FL, St. Johns County, Mill Creek | Robert K Godfrey | | 20/3/1976 | FSU |
| Amaranthus hybridus | US, FL, Wakulla County, Crawfordville | Robert K Godfrey | | 9/8/1965 | FSU |
| Amaranthus hybridus | US, FL, Miami-Dade County, Homestead | Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 22/11/1964 | FSU |
| Amaranthus hybridus | US, FL, Dixie County, Old Town | Robert K Godfrey | | 19/7/1965 | FSU |
| Amaranthus hybridus | US, FL, Leon County, Tallahassee | Robert K Godfrey | | 8/7/1955 | FSU |
| Amaranthus palmeri | US, FL, Gadsden County, Quincy | Robert K Godfrey | | 3/11/1965 | FSU |
| Amaranthus spinosus | US, FL, Hernando County, Brooksville | Robert K Godfrey | | 12/7/1958 | FSU |
| Amaranthus spinosus | US, FL, Miami-Dade County, Homestead | Robert K Godfrey | | 30/4/1966 | FSU |
| Amaranthus spinosus | US, FL, Gadsden County, Quincy | Robert K Godfrey | | 3/11/1965 | FSU |
| Amaranthus spinosus | US, FL, Wakulla County, Shadeville | Robert K Godfrey | | 21/6/1964 | FSU |
| Amaranthus spinosus | US, FL, Wakulla County, Spring Hill | Robert K Godfrey | | 18/6/1965 | FSU |
| Amaranthus spinosus | US, FL, Leon County, Tallahassee | Loran C Anderson | Robert K Godfrey | 6/7/1977 | FSU |
| Amaranthus spinosus | US, FL, Leon County, Tallahassee | Robert K Godfrey | | 10/6/1955 | FSU |
| Amaranthus spinosus | US, FL, Leon County, Tallahassee | Robert K Godfrey | | 7/7/1957 | FSU |
| Amaranthus viridis | US, FL, Monroe County, Key West | Robert K Godfrey | Tall Timbers Research Station Robert K Godfrey | 25/10/1974 | FSU |
| Amaranthus viridis | US, FL, Polk County, Lake Wales | Robert K Godfrey | | 23/11/1964 | FSU |
| Amaranthus viridis | US, FL, Sarasota County, Laurel | Robert K Godfrey | | 21/11/1964 | FSU |