Cosacov A, Johnson LA, Paiaro V, Cocucci AA, Cordoba FE, Sersic AN. Precipitation rather than temperature influenced the phylogeography of the endemic shrub Anarthrophyllum desideratum in the Patagonian steppe. Journal of Biogeography. 2013 Jan;40:168–182. <website>

Johnson LA, Chan LM, Pozner R, Glazier LD. Allotetraploids in Patagonia with affinities to western North American diploids: did dispersal or genome doubling occur first?. Botanical Review. 2012 Jun;78:288–306.

Johnson LA, Chan LM, Burr K, Hendrickson D. Navarretia furnissii (Polemoniaceae), a new diploid species from the intermountain western United States distinguished from tetraploid Navarretia saximontana. Phytotaxa. 2012 Jan;42:51–61. <website>

Pozner R, Zanotti C, Johnson LA. Evolutionary origin of the Asteraceae capitulum: insights from Calyceraceae. American Journal of Botany. 2012 Jan;99(1):1-13.

Sersic AN, Cosacov A, Cocucci AA, Johnson LA, Pozner R, Avila LJ, Sites JW, Morando M. Emerging phylogeographic patterns of plants and terrestrial vertebrates from Patagonia. Biological Journal of the Linnean Society. 2011 Jun;103(2):475-494. <website>

Johnson LA, Cairns-Heath H. Decrypting cryptic species: morphological and molecular evidence for recognizing Navarretia linearifolia as distinct from N. sinistra. (Polemoniaceae). Systematic Botany. 2010 Sep;35(3):618-628. <website>

Cosacov A, Sersic AN, Sosa V, Johnson LA, Cocucci AA. Multiple periglacial refugia in the Patagonian steppe and post-glacial colonization of the Andes: the phylogeography of Calceolaria polyrhiza. Journal of Biogeography. 2010 Aug;37:1463-1477. <website>

Porter JM, Johnson LA, Wiken D. Phylogenetic systematics of Ipomopsis (Polemoniaceae): relationships and divergence times estimated from chloroplast and nuclear DNA sequences. Systematic Botany. 2010 Mar;35(1):181-200. <website>

Johnson LA, Chan L, Weese TL, Busby LD, McMurry SL. Nuclear and cpDNA sequences combined provide strong inference of higher phylogenetic relationships in the phlox family (Polemoniaceae). Molecular Phylogenetics and Evolution. 2008 Jul;48:997-1012.

Johnson LA, Johnson RL. Morphological delimitation and molecular evidence for allopolyploidy in Collomia wilkenii (Polemoniaceae), a new species from northern Nevada. Systematic Botany. 2006 Jun;31:349-360.

Johnson LA, Huish KH, Porter JM. Seed surface sculpturing and its systematic significance in Gilia (Polemoniaceae) and segregate genera. International Journal of Plant Sciences. 2004;165:153-172.

Stevens MR, Dockter RB, Austin TL, Elzinga DB, Johnson LA, Maughan PJ, Geary BD, Tumbleson D, Franke J, Dockter. K. Understanding the phylogenetic relationships of 82 Penstemon taxa mostly from the Intermountain West using SNP markers. Annual WERA Meetings. 2012 Oct.