Jay B. Walker, Ph.D.

Affiliations: 
2006 University of Wisconsin, Madison, Madison, WI 
Area:
Phylogenetics, evolution, systematics, plants
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"Jay Walker"

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Kenneth J. Sytsma grad student 2006 UW Madison
 (Systematics of the genus Salvia (Lamiaceae).)
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Publications

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Kriebel R, Drew BT, Drummond CP, et al. (2019) Tracking temporal shifts in area, biomes, and pollinators in the radiation of Salvia (sages) across continents: leveraging anchored hybrid enrichment and targeted sequence data. American Journal of Botany
Walker JB, Drew BT, Sytsma KJ. (2015) Unravelling Species Relationships and Diversification within the Iconic California Floristic Province Sages (Salvia Subgenus Audibertia, Lamiaceae) Systematic Botany. 40: 826-844
Jenks AA, Walker JB, Kim SC. (2013) Phylogeny of New World Salvia subgenus Calosphace (Lamiaceae) based on cpDNA (psbA-trnH) and nrDNA (ITS) sequence data. Journal of Plant Research. 126: 483-96
Soltis DE, Smith SA, Cellinese N, et al. (2011) Angiosperm phylogeny: 17 genes, 640 taxa. American Journal of Botany. 98: 704-30
Jenks AA, Walker JB, Kim SC. (2011) Evolution and origins of the Mazatec hallucinogenic sage, Salvia divinorum (Lamiaceae): a molecular phylogenetic approach. Journal of Plant Research. 124: 593-600
Katinas L, Crisci JV, Jabaily RS, et al. (2008) Evolution of secondary heads in Nassauviinae (Asteraceae, Mutisieae). American Journal of Botany. 95: 229-40
Moon HK, Vinckier S, Walker JB, et al. (2008) A search for phylogenetically informative pollen characters in the subtribe Salviinae (Mentheae: Lamiaceae) International Journal of Plant Sciences. 169: 455-471
Walker JB, Sytsma KJ. (2007) Staminal evolution in the genus Salvia (Lamiaceae): molecular phylogenetic evidence for multiple origins of the staminal lever. Annals of Botany. 100: 375-91
Walker JB, Sytsma KJ, Treutlein J, et al. (2004) Salvia (Lamiaceae) is not monophyletic: implications for the systematics, radiation, and ecological specializations of Salvia and tribe Mentheae. American Journal of Botany. 91: 1115-25
Sytsma KJ, Litt A, Zjhra ML, et al. (2004) Clades, clocks, and continents: Historical and biogeographical analysis of Myrtaceae, Vochysiaceae, and relatives in the Southern Hemisphere International Journal of Plant Sciences. 165: S85-S105
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