Johnston, G. R. 2019. Species account: Snapping Turtle (Chelydra serpentina), pp. 236–239. In: Amphibians and Reptiles of Florida, K. L. Krysko, K. M. Enge, and P. E. Moler (Eds.). University of Florida Press, Gainesville, FL.

Johnston, G. R. 2019. Species account: Yellow-bellied and Red-eared Sliders (Trachemys scripta scripta / elegans), pp. 273–276. In: Amphibians and Reptiles of Florida, K. L. Krysko, K. M. Enge, and P. E. Moler (Eds.). University of Florida Press, Gainesville, FL.

Thomas, T. M. and K. M. Enge. 2019. Species account: Alligator Snapping Turtles (Macrochelys apalachicolae/suwanniensis/temminckii), pp. 239–244. In: Amphibians and Reptiles of Florida, K. L. Krysko, K. M. Enge, and P. E. Moler (Eds.). University of Florida Press, Gainesville, FL.

Adler, J. M., S. C. Barry, G. R. Johnston, C. A. Jacoby, and T. K. Frazer. 2018. An aggregation of turtles in a Florida spring yields insights into effects of grazing on vegetation. Freshwater Science 37(2): 397–403.

Johnston, G. R., J. C. Mitchell, and E. C. Munscher. 2018. Pseudemys nelsoni (Florida Red-bellied Cooter). Long distance movement. Herpetological Review 49(4):732–733.

Johnston, G. R., J. C. Mitchell, G. A. Shemitz, P. L. Butt, and J. M. Adler. 2018. Origin and structure of a large aggregation of Suwannee cooters (Pseudemys concinna suwanniensis) in a Florida spring. Chelonian Conservation and Biology 17(1): 54–62.

Johnston, G. R., J. C. Mitchell, E. Suarez, and T. Thomas. 2017. Pseudemys suwanniensis (Suwannee Cooter). Long distance movement and homing. Herpetological Review 48(3):623–624.

Mitchell, J. C. and G. R. Johnston. 2017. Pseudemys suwanniensis (Suwannee Cooter). Aural abscesses. Herpetological Review 48(2):428.

Mitchell, J. C., G. R. Johnston, and E. C. Munscher. 2017. Trachemys scripta scripta (Yellow-bellied Slider). Maximum Size. Herpetological Review 48(3):624–625.

Johnston, G. R., J. C. Mitchell, E. Suarez, P. L. Butt, G. A. Shemitz, T. Morris, and R. L. Knight. 2016. The Santa Fe River in Northern Florida: Effect of spatial heterogeneity of habitats on turtle populations. Bulletin of the Florida Museum of Natural History 54(5):69–103. (Download high resolution PDF)

Mitchell, J. C. and G. R. Johnston. 2016. Natural history notes: Pseudemys suwanniensis (Suwannee Cooter). Kyphoscoliosis. Herpetological Review 47(1):127–128.  

Johnston, G. R., J. C. Mitchell, and E. Suarez. 2015. Chelonochory in a northern Florida river. Florida Scientist 78:57–62.

Johnston, G. R., J. Schmitt, and J. C. Mitchell. 2015. Kinosternon baurii (Striped Mud Turtle). Autohirudinophagy. Herpetological Review 46:81–82.

Johnston, G. R., T. Thomas, E. Suarez, A. Lau, and J. C. Mitchell. 2015. Population structure and body size of the Suwannee Alligator Snapping Turtle (Macrochelys suwanniensis) in northern Florida. Chelonian Conservation and Biology 14:73–81.

Mitchell, J. C. and G. R. Johnston. 2014. Apalone ferox (Florida Softshell). Tolerance to fire ants. Herpetological Review. 45:308–309.

Mitchell, J. C. and G. R. Johnston. 2014. Deirochelys reticularia chrysea (Florida Chicken Turtle). Kyphoscoliosis. Herpetological Review: 45:312.

Thomas T. M, M. C. Granatosky, J. R. Bourque, K. L. Krysko, P. E. Moler, T. Gamble, E. Suarez, E. Leone, K. M. Enge, and J. Roman. 2014.

Taxonomic assessment of Alligator Snapping Turtles (Chelydridae: Macrochelys), with the description of two new species from the southeastern United States. Zootaxa 3786:141–165. 

Johnston, G. R., J. C. Mitchell, A. Cave, A. Drennen, and C. Godwin. 2012. Geographic Distribution: Graptemys pseudogeographica kohnii (Mississippi Map Turtle). Herpetological Review 43:442.

Johnston, G. R. and E. Suarez. 2012. Chelydra serpentina (Snapping Turtle). Diet. Herpetological Review 43:326.

Johnston, G. R., E. Suarez, J. C. Mitchell, G. A. Shemitz, P. L. Butt, and M. Kaunert. 2012. Population ecology of the Snapping Turtle (Chelydra serpentina) in a northern Florida river. Bulletin of the Florida Museum of Natural History 51(4):243–256.

Johnston, G. R., T. Thomas, and A. Lau. 2012. Macrochelys temminckii (Alligator Snapping Turtle). Growth. Herpetological Review 43:474–475.

Kornilev, Y. K., C. K. Dodd, and G. R. Johnston. 2012. Retention of paint marking for individual identification of free-ranging basking aquatic turtles (Suwannee Cooters; Pseudemys concinna suwanniensis). Herpetological Review 43:61–64.

Mitchell, J. C. and G. R. Johnston. 2012. Kinosternon baurii (Striped Mud Turtle). Habitat and Aerial Basking. Herpetological Review 43:127.

Mitchell, J. C. and G. R. Johnston. 2012. Sternotherus minor minor (Loggerhead Musk Turtle). Predation. Herpetological Review 43:128.

Nico, L. G., P. Butt, G. R. Johnston, H. L. Jelks, M. Kail, and S. J. Walsh. 2012. Discovery of South Ameerican suckermouth armored catfishes (Loricariiidae, Pterygoplichthys spp.) in the Santa Fe River drainage, Suwannee River basin, USA. Bioinvasions Records 1:179–200. 

Johnston, G. R., A. Lau, and Y. K. Kornilev. 2011. Composition of a turtle assemblage in a northern Florida blackwater stream. Florida Scientist 74:126-133.

Kail, M. H., J. M. Gutierrez, E. Suarez, and G. R. Johnston. 2011. Geographic Distribution: Graptemys pseudogeographica kohnii (Mississippi Map Turtle). Herpetological Review 42:389.

Kail, M. H., G. R. Johnston, E. Suarez, and J. C. Mitchell. 2011. Geographic Distribution: Chrysemys dorsalis (Southern Painted Turtle). Herpetological Review 42:387.

Kornilev, Y. K., C. K. Dodd, and G. R. Johnston. 2011. Linear home range, movement, and spatial distribution of the Suwannee Cooter (Pseudemys concinna suwanniensis) in a blackwater river. Chelonian Conservation and Biology 9:196-204.

Suarez, E., M. H. Kail, and G. R. Johnston. 2011. Pseudemys concinna suwanniensis (Suwannee Cooter). Fish Predation. Herpetological Review 42:423.

Kail, M. H., D. T. Garrenton, E. Suarez, G. R. Johnston, and J. C. Mitchell. 2010. Geographic Distribution: Trachemys venusta (Mesoamerican Slider). Herpetological Review 41:243.

Lau, A. 2009. New rule in Florida limits take and possession of freshwater turtles. IRCF Reptile and Amphibians, Conservation and Natural History 16:170‐173.

Lau, A. and G. R. Johnston. 2009. Geographic Distribution: Trachemys scripta elegans (Red- eared Slider). Herpetological Review 40:111.

Thomas, T. M. 2009. Macrochelys temminckii (Alligator Snapping Turtle). Aerial basking. Herpetological Review 40:336.

Thomas, T. M. and G. R. Johnston. 2009. Geographic Distribution: Trachemys scripta elegans (Red-eared Slider). Herpetological Review 40:111.

Lau, A. and G. R. Johnston. 2008. Geographic Distribution: Graptemys pseudogeographica (False Map Turtle). Herpetological Review 39:236.

Lau, A., Y. K. Kornilev, and G. R. Johnston. 2008. Geographic Distribution: Trachemys scripta elegans (Red-eared Slider). Herpetological Review 39:236‐237.