| Thyrsanthella difformis | US, FL, Washington County, Caryville | Robert K Godfrey | | 18/5/1958 | FSU |
| Tiedemannia filiformis | US, FL, Wakulla County, Saint Marks Nat'l Wildlife Refuge (Panacea Unit) | Loran C Anderson | Robert K Godfrey | 11/9/2007 | FSU |
| Poinsettia cyathophora | US, FL, Monroe County, North Key Largo | J Ferborgh Jane Brockmann | Robert K Godfrey | 28/8/1969 | FSU |
| Chamaesyce buxifolia | US, FL, Monroe County, Cape Sable | Daniel B Ward Derek Burch Robert K Godfrey | | 18/4/1964 | FSU |
| Chamaesyce hypericifolia | US, FL, Miami-Dade County, Homestead | Daniel B Ward Derek Burch Robert K Godfrey | | 16/4/1964 | FSU |
| Chamaesyce mendezii | US, FL, Collier County, Goodland | Robert K Godfrey | | 22/11/1964 | FSU |
| Chamaesyce ophthalmica | US, FL, Miami-Dade County, Homestead | Daniel B Ward Derek Burch Robert K Godfrey | | 16/4/1964 | FSU |
| Chamaesyce prostrata | US, FL, Leon County, Tallahassee | Robert K Godfrey | | 5/12/1964 | FSU |
| Chamaesyce prostrata | US, FL, Miami-Dade County, Homestead | Daniel B Ward Derek Burch Robert K Godfrey | | 16/4/1964 | FSU |
| Euphorbia polyphylla | US, FL, Polk County, Sunray | Daniel B Ward Derek Burch Robert K Godfrey | | 16/4/1984 | FSU |
| Evolvulus sericeus var. glaberrimus | US, FL, Miami-Dade County, Everglades National Park | Daniel B Ward Derek Burch Robert K Godfrey | | 18/4/1964 | FSU |
| Heliotropium curassavicum | US, FL, Monroe County, Everglades National Park, Flamingo | Daniel B Ward Derek Burch Robert K Godfrey | Robert K Godfrey | 17/4/1964 | FSU |
| Heliotropium parviflorum | US, FL, Monroe County, Flamingo | Daniel B Ward Derek Burch Robert K Godfrey | | 17/4/1964 | FSU |
| Ipomoea alba | US, FL, Monroe County, Everglades National Park, Flamingo | Daniel B Ward Derek Burch Robert K Godfrey | | 17/4/1964 | FSU |
| Ipomoea indica | US, FL, Miami-Dade County, Florida City | Daniel B Ward Derek Burch Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 17/4/1964 | FSU |
| Melothria pendula | US, FL, Monroe County, Everglades National Park | Daniel B Ward Derek Burch Robert K Godfrey | | 17/4/1964 | FSU |
| Suaeda linearis | US, FL, Monroe County, Flamingo | Daniel B Ward Derek Burch Robert K Godfrey | | 17/4/1964 | FSU |
| Acer negundo | US, FL, Taylor County, Nuttall's Rise | Angus Gholson Robert K Godfrey | | 3/3/1984 | FSU |
| Acer saccharinum | US, FL, Gadsden County, Chattahoochee | Angus Gholson Robert K Godfrey | | 4/2/1984 | FSU |
| Alnus serrulata | US, FL, Putnam County, Interlachen | Angus Gholson R.W. Simons | Robert K Godfrey | 28/6/1984 | FSU |
| Capparis flexuosa | US, FL, Brevard County, Merritt Island | Angus Gholson Robert K Godfrey Walter S. Judd | Tall Timbers Research Station | 9/4/1983 | FSU |
| Cayaponia quinqueloba | US, FL, Jackson County, Sneads | Corrells Angus Gholson Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium Tall Timbers Research Station | 27/6/1981 | FSU |
| Euphorbia discoidalis | US, FL, Jefferson County, Capps | Angus Gholson Robert K Godfrey Wilson Baker | | 24/9/1988 | FSU |
| Euphorbia pubentissima | US, FL, Gadsden County, Chattahoochee | Angus Gholson Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 11/9/1982 | FSU |
| Heliotropium angiospermum | US, FL, Brevard County, Merritt Island | Angus Gholson Robert K Godfrey Walter S. Judd | Tall Timbers Research Station | 9/4/1983 | FSU |
| Iresine diffusa | US, FL, Columbia County, Three Rivers Estates | Angus Gholson Robert K Godfrey | | | FSU |
| Iresine diffusa | US, FL, Columbia County, Three Rivers Estates | Angus Gholson Robert K Godfrey | | | FSU |
| Lithospermum incisum | US, FL, Jackson County, Marianna | Angus Gholson Robert K Godfrey | Tall Timbers Research Station | 30/4/1983 | FSU |
| Oxypolis ternata | US, FL, Liberty County, Apalachicola National Forest | Angus Gholson Robert K Godfrey Wilson Baker | Illinois Natural History Survey (ILLS) | 14/11/1987 | FSU |
| Oxypolis ternata | US, FL, Liberty County, Apalachicola National Forest | Angus Gholson Robert K Godfrey Wilson Baker | Illinois Natural History Survey (ILLS) | 14/11/1987 | FSU |
| Rhus aromatica | US, FL, Escambia County, Century | Angus Gholson Robert K Godfrey | | 11/10/1984 | FSU |
| Rhus aromatica | US, FL, Escambia County, Century | Angus Gholson Robert K Godfrey | | 11/10/1984 | FSU |
| Thyrsanthella difformis | US, FL, Branford | Angus Gholson Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 21/6/1984 | FSU |
| Acalphya gracilens | US, FL, Wakulla County | Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 14/7/1962 | FSU |
| Acalypha chamaedrifolia | US, FL, Miami-Dade County, Homestead | Robert K Godfrey | | 22/11/1964 | FSU |
| Acalypha chamaedrifolia | US, FL, Miami-Dade County, Florida City | Robert K Godfrey | Robert K Godfrey | 18/4/1964 | FSU |
| Acalypha chamaedrifolia | US, FL, Monroe County, Big Pine Key | Robert K Godfrey | Illinois Natural History Survey (ILLS) Tall Timbers Research Station | 17/11/1973 | FSU |
| Acalypha chamaedrifolia | US, FL, Monroe County, Big Pine Key | Robert K Godfrey | | 1/6/1985 | FSU |
| Acalypha gracilens | US, FL, Manatee County, Bradenton | Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 20/11/1964 | FSU |
| Acalypha gracilens | US, FL, Leon County, Tallahassee | Robert K Godfrey | | 11/9/1959 | FSU |