| Onosmodium virginianum | US, FL, Santa Rosa County, Pensacola Bay | James R Burkhalter | Florida State University, Robert K. Godfrey Herbarium | 10/4/1977 | FSU |
| Cuscuta pentagona | US, FL, Escambia County, Santa Rosa Island | James R Burkhalter | | 17/6/1977 | FSU |
| Chamaesyce serpens | US, FL, Escambia County, Pensacola | James R Burkhalter | | 22/7/1977 | FSU |
| Cuscuta pentagona | US, FL, Escambia County, Battery Langdon | James R Burkhalter | University of Florida | 30/7/1977 | FSU |
| Melothria pendula | US, FL, Escambia County, Pensacola | James R Burkhalter | | 4/9/1977 | FSU |
| Chamaesyce prostrata | US, FL, Escambia County, Pensacola | James R Burkhalter | | 12/7/1981 | FSU |
| Euphorbia obtusata | US, FL, Escambia County, Molino | James R Burkhalter | | 2/5/1982 | FSU |
| Crocanthemum rosmarinifolium | US, FL, Escambia County, Pensacola | James R Burkhalter | Florida State University, Robert K. Godfrey Herbarium University of West Florida James R Burkhalter | 5/8/1982 | FSU |
| Buglossoides arvensis | US, FL, Escambia County, Pensacola | James R Burkhalter | | 17/4/1983 | FSU |
| Ipomoea lacunosa | US, FL, Escambia County, Bluff Springs | James R Burkhalter | | 24/9/1983 | FSU |
| Thyrsanthella difformis | US, FL, Escambia County, Byrneville | James R Burkhalter | | 24/9/1983 | FSU |
| Thyrsanthella difformis | US, FL, Santa Rosa County, Jay | James R Burkhalter | Florida State University, Robert K. Godfrey Herbarium | 1/10/1983 | FSU |
| Lechea patula | US, FL, Escambia County, Perdido Key | James R Burkhalter | University of West Florida | 16/10/1983 | FSU |
| Callitriche heterophylla | US, FL, Escambia County, Century | James R Burkhalter | | 24/3/1984 | FSU |
| Rhus glabra | US, FL, Escambia County, Pensacola | James R Burkhalter | | 26/7/1984 | FSU |
| Lagenaria siceraria | US, FL, Escambia County, Bluff Springs | James R Burkhalter | | 26/8/1984 | FSU |
| Acalypha rhomboidea | US, FL, Santa Rosa County, Escambia River | James R Burkhalter | | 16/10/1984 | FSU |
| Amaranthus hybridus | US, FL, Santa Rosa County, Milton | James R Burkhalter | | 25/8/1985 | FSU |
| Cannabis sativa | US, FL, Santa Rosa County Cultivated | Edwin L Bridges James R Burkhalter Steve L Orzell | University of West Florida | 15/9/1985 | FSU |
| Ipomoea macrorhiza | US, FL, Escambia County, Pensacola | James R Burkhalter | | 12/9/1986 | FSU |
| Melothria pendula | US, FL, Santa Rosa County, Gulf Breeze | James R Burkhalter | Florida State University, Robert K. Godfrey Herbarium | 16/7/1989 | FSU |
| Bignonia capreolata | US, FL, Escambia County, University of West Florida | James R Burkhalter | | 2/9/1989 | FSU |
| Ipomoea indica | US, FL, Santa Rosa County, Milton | James R Burkhalter | | 22/10/1990 | FSU |
| Euphorbia inundata | US, FL, Escambia County, Beulah | James R Burkhalter | | 7/7/1991 | FSU |
| Ipomoea hederacea | US, FL, Santa Rosa County, Pace | C.W. Milmore James R Burkhalter | | 27/9/1992 | FSU |
| Ipomoea macrorhiza | US, FL, Escambia County, Pensacola | James R Burkhalter | University of West Florida | 12/9/1993 | FSU |
| Amaranthus blitum | US, FL, Escambia County, Pensacola | James R Burkhalter | Florida State University, Robert K. Godfrey Herbarium | 30/11/1996 | FSU |
| Alternanthera sessilis | US, FL, Escambia County, Pensacola | James R Burkhalter | Florida State University, Robert K. Godfrey Herbarium | 29/5/2000 | FSU |
| Alternanthera sessilis | US, FL, Escambia County, Century | James R Burkhalter | University of West Florida | 21/10/2000 | FSU |
| Amaranthus palmeri | US, FL, Escambia County, Warrington | James R Burkhalter | Florida State University, Robert K. Godfrey Herbarium | 11/11/2000 | FSU |
| Alternanthera sessilis | US, FL, Okaloosa County, Yellow River | James R Burkhalter | | 4/7/2002 | FSU |
| Rhus glabra | US, FL, Escambia County, Gonzalez | James R Burkhalter | | 14/8/2002 | FSU |
| Cucurbita pepo | US, FL, Escambia County, Pensacola | James R Burkhalter | | 26/7/2003 | FSU |
| Caperonia palustris | US, FL, Escambia County, Century | James R Burkhalter | | 4/9/2004 | FSU |
| Amaranthus blitum | US, FL, Escambia County, Santa Rosa Island | James R Burkhalter | | 26/11/2004 | FSU |
| Euphorbia graminea | US, FL, Escambia County, Pensacola | James R Burkhalter | | 18/12/2004 | FSU |
| Alternanthera sessilis | US, FL, Escambia County, Pensacola | James R Burkhalter | | 3/12/2005 | FSU |
| Amaranthus blitum | US, FL, Escambia County, Pensacola | James R Burkhalter | | 30/4/2006 | FSU |
| Momordica charantia | US, FL, Escambia County, Pensacola | James R Burkhalter | | 6/10/2007 | FSU |
| Ipomoea carnea | US, FL, Escambia County, Ellyson Industrial Park | James R Burkhalter | University of West Florida, Michael I Cousens Herbarium | 21/6/2008 | FSU |
| Oxypolis rigidior | US, FL, Escambia County, Pensacola | James R Burkhalter | | 26/10/2008 | FSU |
| Caperonia palustris | US, FL, Escambia County, University of West Florida | James R Burkhalter | | 11/9/2010 | FSU |
| Spergularia marina | US, FL, Santa Rosa County, Shoreline Park South | James R Burkhalter | | 6/5/2013 | FSU |
| Chamaesyce ophthalmica | US, FL, Escambia County, University of West Florida | James R Burkhalter | Michael I Cousens | 15/6/2013 | FSU |
| Chamaesyce ophthalmica | US, FL, Okaloosa County, Ft. Walton Beach | James R Burkhalter | University of West Florida, Michael I Cousens Herbarium | 29/10/2013 | FSU |
| Euphorbia graminea | US, FL, Escambia County, Pensacola | James R Burkhalter | University of West Florida, Michael I Cousens Herbarium | 15/11/2013 | FSU |