Bruce G. Baldwin W. L. Jepson Professor Emeritus and Curator Emeritus, Jepson Herbarium and Integrative Biology 1001 Valley Life Sciences Bldg., #2465 Berkeley, CA 94720-2465 (510)643-7008 bbaldwin@berkeley.edu The Baldwin Lab

Dr. Bruce Baldwin is Curator Emeritus of the Jepson Herbarium and Professor Emeritus in the Department of Integrative Biology, where he taught vascular plant systematics, biosystematics, and plant and fungal biology in introductory biology. A native of central coastal California, he attended Arroyo Grande High School in Arroyo Grande, California. He first became interested in plant diversity through backpacking and exploring in the floristically-rich Santa Lucia Range and San Rafael Mountains of central California. He received his B.A. degree in Biological Sciences from U. C. Santa Barbara in 1981. He received his M.S. (1985) and Ph.D. (1989) degrees in Botany from U. C. Davis (with the late Donald Kyhos) and conducted postdoctoral work at the University of Arizona, Tucson (with Michael Donoghue and Robert Robichaux). He was a member of the Botany faculty at Duke University for two years before moving to Berkeley in 1994.

Baldwin's research program encompasses vascular-plant systematics, floristics, and conservation, with an emphasis on biosystematic and phylogenetic studies. He is particularly interested in systematic questions that address evolutionary processes, historical biogeography, and relationships of Californian and Hawaiian plants, especially of the sunflower family, Compositae. His recent research on the Compositae has involved testing of hypotheses concerning speciation, chromosomal and morphological evolution, ecological shifts, dispersal events, and the importance of hybridization during diversification. Laboratory techniques used in his research include DNA sequencing and cytogenetic and morphological analyses.

Selected Publications:

Baldwin, B. G., Wood, K. R., and Freyman, W. A. 2021.

Directionally biased habitat shifts and biogeographically informative cytonuclear discordance in the Hawaiian silversword alliance (Compositae). American Journal of Botany 108: 2015-2037.

Baldwin, B. G. 2019.

Fine-scale to flora-wide phylogenetic perspectives on Californian plant diversity, endemism, and conservation. Annals of the Missouri Botanical Garden 104: 429-440.

Baldwin, B. G., Thornhill, A. H., Freyman, W. A., Ackerly, D. D., Kling, M. M., Morueta-Holme, N., and Mishler, B. D. 2017.

Species richness and endemism in the native flora of California. American Journal of Botany 104: 487-501.

Baldwin, B. G., and Wood, K. R. 2016.

Origin of the Rapa endemic genus Apostates: Revisiting major disjunctions and evolutionary conservatism in the Bahia alliance (Bahieae; Compositae). Taxon 65: 1064-1080.

Baldwin, B. G. 2014.

Origins of plant diversity in the California Floristic Province. Annual Review of Ecology, Evolution, and Systematics 45: 347-369.

Baldwin, B. G., Goldman, D. H., Keil, D. J., Patterson, R., Rosatti, T. J., and Wilken, D. H. (eds.) 2012.

The Jepson Manual: Vascular Plants of California. Second Edition. University of California Press, Berkeley.

Baldwin, B. G., Kalisz, S., and Armbruster, W. S. 2011.

Phylogenetic perspectives on diversification, biogeography, and floral evolution of Collinsia and Tonella (Plantaginaceae). American Journal of Botany 98: 731-753.

Baldwin, B. G. and Wagner, W. L. 2010.

Hawaiian angiosperm radiations of North American origin. Annals of Botany 105: 849-879.

Baldwin, B. G. 2007.

Adaptive radiation of shrubby tarweeds (Deinandra) in the California Islands parallels diversification of the Hawaiian silversword alliance (Compositae-Madiinae). American Journal of Botany 94: 237-248.

Baldwin, B. G. 2006.

Contrasting patterns and processes of evolutionary change in the tarweed-silversword lineage: revisiting Clausen, Keck, and Hiesey's findings. Annals of the Missouri Botanical Garden 93: 64-93.

Baldwin, B. G. 2005.

Origin of the serpentine-endemic herb Layia discoidea from the widespread L. glandulosa (Compositae). Evolution 59: 2473-2479.

Additional recent publications

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