| Chamaesyce blodgettii | US, FL, Monroe County, Rockland Key | Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium Robert K Godfrey | 16/9/1972 | FSU |
| Chamaesyce bombensis | US, FL, Franklin County, Dog Island | Loran C Anderson | Florida State University, Robert K. Godfrey Herbarium | 28/8/1981 | FSU |
| Chamaesyce bombensis | US, FL, Franklin County, Dog Island | Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 31/10/1971 | FSU |
| Chamaesyce cordifolia | US, FL, Madison County, Greenville | J.P. Gillespie Robert Kral Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 2/10/1955 | FSU |
| Chamaesyce cordifolia | US, FL, Miami-Dade County, Homestead | Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 22/11/1964 | FSU |
| Chamaesyce cordifolia | US, FL, Jackson County, Porter Lake | Loran C Anderson | Florida State University, Robert K. Godfrey Herbarium | 10/9/2011 | FSU |
| Chamaesyce hypericifolia | US, FL, Monroe County, Conch Key | Patrick Brennan Sidney McDaniel | Florida State University, Robert K. Godfrey Herbarium | 5/4/1967 | FSU |
| Chamaesyce hypericifolia | US, FL, Collier County, Jerome | Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 6/10/1961 | FSU |
| Chamaesyce hypericifolia | US, FL | Derek Burch | Florida State University, Robert K. Godfrey Herbarium | 3/1965 | FSU |
| Chamaesyce hypericifolia | US, FL, Sarasota County | Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 21/11/1964 | FSU |
| Chamaesyce hyssopifolia | US, FL, Charlotte County | D Burch | Florida State University, Robert K. Godfrey Herbarium | 13/8/1963 | FSU |
| Chamaesyce hyssopifolia | US, FL, Polk County, Babson Park | Sidney McDaniel | Florida State University, Robert K. Godfrey Herbarium | 18/3/1965 | FSU |
| Chamaesyce hyssopifolia | US, FL, Manatee County, Bradenton | Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 20/11/1964 | FSU |
| Chamaesyce hyssopifolia | US, FL, Gadsden County, Chattahoochee | Ann F Johnson Wilson Baker | Florida State University, Robert K. Godfrey Herbarium | 20/10/2011 | FSU |
| Chamaesyce hyssopifolia | US, FL, Pinellas County, Clearwater | Robert Kral | Florida State University, Robert K. Godfrey Herbarium | 21/9/1973 | FSU |
| Chamaesyce hyssopifolia | US, FL, St. Johns County, Crescent Beach | Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 5/8/1971 | FSU |
| Chamaesyce hyssopifolia | US, FL, Polk County, Haines City | H.S. Conard | Florida State University, Robert K. Godfrey Herbarium | 25/6/1963 | FSU |
| Chamaesyce hyssopifolia | US, FL, Putnam County, Saint Joseph Cemetery | Cecil R Slaughter | Florida State University, Robert K. Godfrey Herbarium | 4/10/2000 | FSU |
| Chamaesyce hyssopifolia | US, FL, Wakulla County, Saint Marks National Wildlife Refuge | Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 6/8/1960 | FSU |
| Chamaesyce hyssopifolia | US, FL, Washington County, Spring Run Road | Edwin Keppner | Florida State University, Robert K. Godfrey Herbarium | 1/10/2009 | FSU |
| Chamaesyce hyssopifolia | US, FL, Liberty County, Torreya State Park | Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 1/11/1976 | FSU |
| Chamaesyce hyssopifolia | US, FL, Sarasota County, Venice | Robert Kral | Florida State University, Robert K. Godfrey Herbarium | 30/12/1956 | FSU |
| Chamaesyce hyssopifolia | US, FL, Saint Marks National Wildlife Refuge Work Center | Loran C Anderson | Florida State University, Robert K. Godfrey Herbarium | 24/7/2007 | FSU |
| Chamaesyce maculata | US, FL, Osceola County, Lake Wales | Derek Burch | Florida State University, Robert K. Godfrey Herbarium | 7/8/1963 | FSU |
| Chamaesyce mesembryanthemifolia | US, FL, Flagler County, Marineland | Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 18/11/1961 | FSU |
| Chamaesyce mesembryanthemifolia | US, FL, Monroe County, Torch Key | Jane Brockmann | Florida State University, Robert K. Godfrey Herbarium | 24/8/1969 | FSU |
| Chamaesyce mesembryanthemifolia | US, FL, Indian River County, Vero Beach | Robert J Lemaire | Florida State University, Robert K. Godfrey Herbarium | 26/1/1957 | FSU |
| Chamaesyce nutans | US, FL, Leon County | Loran C Anderson | Florida State University, Robert K. Godfrey Herbarium | 22/10/1986 | FSU |
| Chamaesyce nutans | US, FL, Leon County, Tallahassee | Loran C Anderson | Florida State University, Robert K. Godfrey Herbarium | 19/10/2002 | FSU |
| Chamaesyce nutans | US, FL | Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 13/9/1964 | FSU |
| Chamaesyce ophthalmica | US, FL, Charlotte County | Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 21/11/1964 | FSU |
| Chamaesyce ophthalmica | US, FL, Collier County, Naples | Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 22/11/1964 | FSU |
| Chamaesyce ophthalmica | US, FL, Dixie County, Shamrock | Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 24/11/1964 | FSU |
| Chamaesyce ophthalmica | US, FL, Leon County, Tallahassee | Loran C Anderson | Florida State University, Robert K. Godfrey Herbarium | 31/8/2011 | FSU |
| Chamaesyce ophthalmica | US, FL, Leon County, Tallahassee | Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium A Herndon | 29/9/1969 | FSU |
| Chamaesyce porteriana | US, FL, Miami-Dade County, Everglades National Park | Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 18/4/1964 | FSU |
| Chamaesyce prostrata | US, FL, Calhoun County | Bill Boothe Loran C Anderson Marcia Boothe | Florida State University, Robert K. Godfrey Herbarium | 16/10/2012 | FSU |
| Chenopodium album | US, FL, Miami-Dade County, Redland | William R Stimson | Florida State University, Robert K. Godfrey Herbarium | 30/3/1964 | FSU |
| Chenopodium album var. lanceolatum | US, FL, Leon County, Tallahassee | Loran C Anderson | Florida State University, Robert K. Godfrey Herbarium | 6/3/1998 | FSU |
| Chenopodium album | US, FL, Leon County, Tallahassee | Robert K Godfrey | Florida State University, Robert K. Godfrey Herbarium | 13/7/1955 | FSU |