Wilson LOR. Facilitating nurse plant survival with mycorrhizal inoculum following eradication of a non-native grass.  2018;MS Thesis. Available at: https://shareok.org/handle/11244/317698.

Duell EB, Wilson GT, Hickman KR. Above- and below-ground responses of native and invasive prairie grasses to future climate scenarios. Botany. 2016;94(6):471 - 479. doi:10.1139/cjb-2015-0238.

Mino LA. Soil characteristics and ecosystem-level effects of woody species encroachment in tallgrass prairie.  2016;MS Thesis. Available at: https://shareok.org/handle/11244/54571.

Duell EB. Elevated temperatures and drought favor invasive grasses over native species.  2015;MS Thesis. Available at: https://shareok.org/handle/11244/45161.

Greer MJ, Wilson GT, Hickman KR, Wilson S. Experimental evidence that invasive grasses use allelopathic biochemicals as a potential mechanism for invasion: Chemical warfare in nature. Plant and Soil. 2014;385:165 -179. doi:10.1007/s11104-014-2209-3.

Greer MJ. Grassland invasion by non-native grass species: ecological issues of multiple species at multiple trophic levels.  2013;PhD. Dissertation. Available at: https://shareok.org/handle/11244/14859.

West R. Bud bank demography: Density of native grass meristems as a predictor of rangeland invasibility.  2012;PhD Dissertations. Available at: https://shareok.org/handle/11244/6850.

Wilson GT, Hickman KR, Williamson MM. Invasive warm-season grasses reduce mycorrhizal root  colonization and biomass production of native prairie grasses. Mycorrhiza. 2012;22:327 -336. doi:10.1007/s00572-011-0407-x.

Sprinkle JW. Bud bank density regulates invasion by exotic plants.  2010;MS Thesis. Available at: http://hdl.handle.net/11244/9198.

Hickman KR, Hartnett DC, Cochran RC, Owensby CE. Grazing management effects on plant species diversity in tallgrass prairie. Journal of Range Management. 2004;57:58 -65. doi:10.2111/1551-5028(2004)057[0058:GMEOPS]2.0.CO;2.

Hickman KR, Hartnett DC. Effects of grazing intensity on growth, reproduction, and abundances of three palatable forbs in Kansas tallgrass prairie. Plant Ecology. 2002;159:23 -33. doi:10.1023/A:1015534721939.

Hartnett DC, Steuter AA, Hickman KR. Comparative ecology of native and introduced ungulates. In: Knopf FL, Samson FB Ecology and Conservation of Great Plains Vertebrates. Ecology and Conservation of Great Plains Vertebrates. New York: Springer-Verlag; 1997:72 -101. doi:10.1007/978-1-4757-2703-6_4.

Hartnett DC, Hickman KR, Walter LEF. Effects of bison grazing, fire and topography on floristic diversity in tallgrass prairie. Journal of Range Management. 1996;49:413 -420. doi:10.2307/4002922.

Hartnett DC, Hickman KR, Walter LEF. Effects of bison grazing on plant species diversity in tallgrass prairie. West NE.  1996:215 -216.

Hickman KR, Hartnett DC, Cochran RC. Effects of grazing systems and stocking rates on plant species diversity in Kansas tallgrass prairie. West NE.  1996:228 -229.

Hickman KR. Effects of large ungulate herbivory on tallgrass prairie plant population and community structure.  1996;PhD Dissertation:1 -105.

Hartnett DC, Hickman KR, Walter LEF. Effects of bison grazing, on floristic diversity in tallgrass prairie.  1995:215 -216.