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Elliott, J. (2021). Sphagnum cuspidatum, new to the western conterminous United States. Evansia, 37(3),100-102.

Ertter et al. (2021). A new variety of Montia parvifolia (Montiaceae) in the high Idaho batholith of central Idaho and adjacent Montana. Journal of the Botanical Institute of Texas, 15(1), 5-22.

Lin et al. (2021). A new carnivorous plant lineage (Triantha) with a unique sticky-inflorescence. Proceedings of the National Academy of Sciences of the USA, 118(3), e2022724118.

Elliott, J. and A. Pipp. (2019). History, biogeography, and species of Montana mosses (1880-2018). Evansia, 36(2), 39-58.

Lesica, P. (2019). Musineon glaucescens (Apiaceae), a new new species from central Montana. Journal of the Botanical Institute of Texas, 13(1), 1-6.

Hitchcock, C.L. and A. Cronquist. (2018). Flora of the Pacific Northwest: An Illustrated Manual, 2nd Edition. Edited by D.E. Giblin, B.S. Legler, P.F. Zika, and R.G. Olmstead. University of Washington Press, Seattle, WA.

Kimball, S. F. and P. Lesica. (2013). Trees and Flowering Shrubs of Glacier National Park.  Trillium Press, Kalispell, Montana.

Lesica, P. (2012). Manual of Montana Vascular Plants. Botanical Research Institute of Texas, Fort Worth. Lesica, P. 2012. New combinations for the Montana flora. Journal of the Botanical Research Institute of Texas 6, 25-27.

Odegard, C. (2012). Noteworthy collections, Montana. Madrono, 59, 166.

Zika, P.F. (2012). Juncus trilocularis (Juncaceae), a new rush species from western North America. Rhodora, 114, 309-329.

Lesica, P. (2009). Draba calcifuga (Brassicaceae), a new species from the Rocky Mountains of North America. Novon, 19, 182-186.

Lesica, P. and W. Fertig. (2009). Noteworthy Collections – Montana. Madrono, 56(1), 67.

Jacobson, A.L., and P.F. Zika. (2007). A new hybrid cherry, Prunus x pugetensis (P. avium x emarginata, Rosaceae), from the Pacific Northwest. Madrono, 54(1), 74-85.

Lesica, P., R. Yurkewycz and E. E. Crone. (2006). Rare plants are common where you find them. American Journal of Botany, 93, 454-459.

Kimball, S. F. and P. Lesica. (2005). Wildflowers of Glacier National Park and surrounding area. Trillium Press, Kalispell, Montana.

Lesica, P. (2005). The resurrection of Erigeron parryi (Asteraceae). Brittonia, 57, 47-54.

Thompson, D. M. (2005). Systematics of Mimulus subgenus schizoplacus (Scrophulariaceae). Systematic Botany Monographs, 75, 1-213.

Bradley, C. (2004). Status of the tiny cryptanthe (Cryptantha minima) in Alberta. Alberta Sustainable Resource Development, Fish and Wildlife Division, and Alberta Conservation Association Wildlife Status Report No. 54. Edmonton, Alberta.

Alderman, S. C., R. R. Halse and J. F. White. (2004). A reevaluation of the host range and geographical distribution of Claviceps species in the United States. Plant Disease, 88, 63-81.

Mechanda, S. M., B. R. Baum, D. A. Johnson and J. T. Arnason. (2004). Analysis of diversity of natural populations and commercial lines of Echinacea using AFLP. Canadian Journal of Botany, 82, 461-484.