Dr. Genevieve Walden

Plant Pest Diagnostics Branch, California Department of Food & Agriculture
3294 Meadowview Road, Sacramento, CA 95832-1448, U.S.A.
Office: 916-738-6688
Fax: 916-262-1190
Email: genevieve.walden@cdfa.ca.gov

Dr. Genevieve Walden

Senior Plant Taxonomist

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Curriculum Vitae


  • Doctor of Philosophy (Integrative Biology), 2015, University of California, Berkeley. Dissertation: "Systematics of Emmenanthe, Eucrypta, and Phacelia sect. Ramosissimae (Hydrophyllaceae; Boraginales)"
  • Master of Science (Ecology & Systematic Biology), 2010, San Francisco State University. Thesis: "Phylogeny of infrageneric relationships within Phacelia (Boraginaceae) inferred from chloroplast sequence data."
  • Bachelor of Science (Plant Biology), 2005, University of California, Davis.


  • 2017-present, Senior Plant Taxonomist, California Department of Food and Agriculture
  • 2016, Research Contractor, Herbarium of the Burke Museum, University of Washington, Seattle
  • 2016, Postdoctoral Scientist, University of California, Davis
  • 2015, Postdoctoral Scientist, University of Utah, Salt Lake City

Professional Experience

  • 2013-present, Editorial Assistant, Madroño


  1. Articles

  2. Boraginales Working Group (F. Luebert, L. Cecchi, M. W. Frohlich, M. Gottschling, C. M. Guilliams, K. E. Hasenstab-Lehman, H. H. Hilger, J. S. Miller, M. Mittelbach, M. Nazaire, M. Nepi, D. Nocentini, D. Ober, R. G. Olmstead, F. Selvi, M. G. Simpson, K. Sutorý, B. Valdés, G. K. Walden, M. Weigend). 2016. Familial classification of the Boraginales. Taxon 65(3):502–522.
  3. Walden, G. K. 2016. Typifications in Phacelia sect. Baretiana (Hydrophyllaceae). Phytoneuron 2016-27: 1–4. [7 April 2016].
  4. Walden, G. K., L. M. Garrison, G. S. Spicer, F. W. Cipriano, and R. Patterson. 2014. Phylogenies and chromosome evolution of Phacelia (Boraginaceae: Hydrophylloideae) inferred from nuclear ribosomal and chloroplast sequence data. Madroño 61(1):16–47.
  5. Walden, G. K., and R. Patterson. 2012. Nomenclature of subdivisions in Phacelia (Boraginaceae). Madroño 59(4):211–222.
  6. Walden, G. K., and R. Patterson. 2011. Nomenclatural kankedorts in Phacelia (Boraginaceae). Madroño 58(4): 268–273.
  7. Walden, G. K., and R. Patterson. 2010. Howellanthus dalesianus, recognition of a new genus and species in tribe Phacelieae (Boraginaceae). Madroño 57 (4):268–273.
  8. Dean, E. A., G. K. Walden, and S. L. Thrasher. 2007. Lycianthes pringlei (Solanaceae), a rarely collected shrub of western México. Brittonia 59 (1):49–53.
  9. Research Reviews

  10. Rapacciuolo, G., S. P. Maher, A. C. Schneider, T. T. Hammond, M. D. Jabis, R. E. Walsh, K. J. Iknayan, G. K. Walden, M. F. Oldfather, D. D. Ackerly, and S. R. Beissinger. 2014. Beyond a warming fingerprint: individualistic biogeographic responses to heterogeneous climate change in California. Global Change Biology: 20(9):2841–2855.
  11. Floristic Treatments

  12. Hoffmann, M., G.K. Walden, H.H. Hilger, and M. Weigend. 2016. Hydrophyllaceae Pp 221–238 in J. W. Kadereit and V. Bittrich (eds.), Flowering Plants. Eudicots. Aquifoliales, Boraginales, Bruniales, Dipsacales, Escalloniales, Garryales, Paracryphiales, Solanales (except Convolvulaceae), Icacinaceae, Metteniusaceae, Vahliaceae. The Families and Genera of Vascular Plants, Vol. 14. Springer Verlag, Berlin.
  13. Online Floristic Treatments

  14. Walden, G. K., R. Patterson, and R. Halse. 2014. Phacelia and Howellanthus, Revision 1. Wigandia and Hydrophyllum. Revision 2, in Jepson Flora Project (eds.), Jepson eFlora.
  15. Scientific Illustrations

  16. Hrusa, G. F., and J. F. Gaskin. 2008. The Salsola tragus complex in California (Chenopodiaceae): characterization and status of Salsola australis and the autochthonous allopolyploid Salsola ryanii sp. nov. Madroño 55 (2):113-131. [Abstract, Full].  Illustrations reprinted, Pp. 653 in The Jepson Manual: vascular plants of California. Second Edition. B. G. Baldwin, D. H. Goldman, D. J. Keil, R. Patterson, T. J. Rosatti, and D. H. Wilken, eds. University of California Press, Berkeley, California