Susan J. Frankel

Treesearch Publications

• Susan J. Frankel, Matteo Garbelotto, Chris Jones, Niklaus J. Grünwald, Robert C. Venette. 2025. The perils of naïve use of open-source data: A comment on “Spatiotemporal distribution of sudden oak death in the US and Europe”
• Sebastian N. Fajardo, Tyler B. Bourret, Susan J. Frankel, David M. Rizzo. 2025. Phytophthora species and their associations with chaparral and oak woodland vegetation in Southern California
• Tedmund J. Swiecki, Elizabeth A. Bernhardt, Tyler B. Bourret, Susan J. Frankel. 2025. Sampling to detect soilborne Phytophthora infestations in California habitat restoration plantings: a technical guide
• Matteo Garbelotto, Susan J. Frankel. 2024. Drought heightens severity of diseases caused by Botryosphaeria dothidea and Cryptostroma corticale and needs to be factored in to properly assess pathogenicity or fulfill Koch’s postulates
• Kylle Roy, Susan J. Frankel, Lauren Oakes, Kainana S. Francisco, Kekuhi Kealiʻikanakaʻoleohaililani, Rachael A. Sitz, Emily Huff, John Schelhas. 2024. Perceptions of tree diseases in Indigenous communities: Native Alaskan and Hawaiian insights
• Ivette Acuña, Jorge Andrade-Piedra, Didier Andrivon, Josep Armengol, A. Elizabeth Arnold, Jacques Avelino, Ranajit Bandyopadhyay, Wubetu Bihon Legesse, Clive H. Bock, Federica Bove, Tania Brenes-Arguedas, Agnès Calonnec, Marcelo Carmona, Angus J. Carnegie, Nancy P. Castilla, Xianming Chen, Helvecio Della Coletta-Filho, Phyllis D. Coley, Kerik D. Cox, Triona Davey, Emerson Del Ponte, Sandra Denman, Marie-Laure Desprez-Loustau, Megan M. Dewdney, Annika Djurle, André Drenth, Alexis Ducousso, Paul Esker, Komi M. Fiaboe, Paul Hendrik Fourie, Susan J. Frankel, Pascal Frey, Sara Garcia-Figuera, Karen A. Garrett, Maxime Guérin, Giles E. St. J. Hardy, Hans Hausladen, Xiaoping Hu, Daniel Hüberli, Jennifer Juzwik, Zhensheng Kang, Lawrence Kenyon, Jan Kreuze, Peter Kromann, Jerome Kubiriba, Paulo Kuhnem, J. Kumar, P. Lava Kumar, Marc-Henri Lebrun, James P. Legg, Anna Leon, Zhanhong Ma, George Mahuku, Robert O. Makinson, Cristina Marzachi, Bruce A. McDonald, Neil McRoberts, Abebe Menkir, Alexey Mikaberidze, Isabel A. Munck, Andrew Nelson, Nga Thi Thu Nguyen, Emer O’Gara, Peter Ojiambo, Alejandro Ortega-Beltran, Pierce Paul, Sarah Pethybridge, Jean Pinon, Tod Ramsfield, David M. Rizzo, Vittorio Rossi, Irda Safni, Sonam Sah, Alberto Santini, Francisco Sautua, Serge Savary, Pepijn Schreinemachers, Manjari Singh, Erin R. Spear, Ramasamy Srinivasan, Leena Tripathi, Antonio Vicent, Altus Viljoen, Laetitia Willocquet, Alex John Woods, Boming Wu, Xianchun Xia, Xiangming Xu, Jonathan Yuen, Paul-Camilo Zalamea, Changyong Zhou. 2023. A global assessment of the state of plant health
• Gissella B. Quiroga, Allison B. Simler-Williamson, Kerri M. Frangioso, Susan J. Frankel, David M. Rizzo, Richard C. Cobb. 2023. An experimental comparison of stand management approaches to sudden oak death: prevention vs. restoration
• D. Alexander Flores, Adrian L. Poloni, Susan J. Frankel, Richard C. Cobb. 2023. Changes to relative stand composition after almost 50 years of Heterobasidion root disease in California true fir and pine forests
• Tyler B. Bourret, Sebastian N. Fajardo, Susan J. Frankel, David M. Rizzo. 2023. Cataloging Phytophthora species of agriculture, forests, horticulture, and restoration outplantings in California, U.S.A.: A sequence-based meta-analysis
• Susan J. Frankel, Jennifer Juzwik, David M. Rizzo. 2022. Forests (Oaks) in North America
• Rosslyn S. Biggs, Susan J. Frankel, Leslie E. Cole, Kathleen L. Kosta, Mark Goeller. 2022. Initial emergency response: Organizational structure and coordination
• Tedmund J. Swiecki, Elizabeth A. Bernhardt, Susan J. Frankel, Diana Benner, Janell Hillman. 2021. An accreditation program to produce native plant nursery stock free of Phytophthora for use in habitat restoration
• Susan J. Frankel, Alex J. Woods, James J. Worrall, Tod D. Ramsfield, Paul J. Zambino, Dave C. Shaw, Gabriela Ritóková, Marcus V. Warwell, Daniel Norlander, Paul Hennon, Robin L. Mulvey, Charles Shaw. 2021. Applications of a conceptual framework to assess climate controls of forest tree diseases
• Susan J. Frankel, I. Blakey. Lockman. 2021. Diseases and abiotic damage agents
• Steven J. Seybold, Susan J. Frankel, Deanna H. Olson, Rebecca Flitcroft, Becky K. Kerns, Jana C. Lee, Karen L. Ripley, Steve Munson. 2021. Regional Summaries: Northwest Region
• Andrew D. Graves, Susan J. Frankel, Allen White, Carol A. Sutherland, A. Steve. Munson, Steven J. Seybold. 2021. Regional Summaries: Southwest Region
• John Schelhas, Janice Alexander, Mark Brunson, Tommy Cabe, Alycia Crall, Michael J. Dockry, Marla R. Emery, Susan J. Frankel, Nina Hapner, Caleb R. Hickman, Rebecca Jordan, Michael J. LaVoie, Zhao Ma, Joe Starinchak, Jelena Vukomanovic. 2021. Social and Cultural Dynamics of Non-native Invasive Species
• Deborah M. Finch, Jack L. Butler, Justin B. Runyon, Christopher J. Fettig, Francis F. Kilkenny, Shibu Jose, Susan J. Frankel, Samuel A. Cushman, Richard C. Cobb, Jeffrey S. Dukes, Jeffrey A. Hicke, Sybill K. Amelon. 2021. Effects of Climate Change on Invasive Species
• Susan J. Frankel, Janice M. Alexander, Diana Benner, Janell Hillman, Alisa Shor. 2020. Protecting restoration plantings from pathogens
• Susan J. Frankel, Christa Conforti, Janell Hillman, Mia Ingolia, Alisa Shor, Diana Benner, Janice M. Alexander, Elizabeth Bernhardt, Tedmund J. Swiecki. 2020. Phytophthora introductions in restoration areas: Responding to protect California native flora from human-assisted pathogen spread
• Paul Hennon, Susan J. Frankel, Alex J. Woods, James J. Worrall, Daniel Norlander, Paul J. Zambino, Marcus V. Warwell, Charles Shaw. 2020. A framework to evaluate climate effects on forest tree diseases
• Richard C. Cobb, Sarah E. Haas, Nicholas Kruskamp, Whalen W. Dillon, Tedmund J. Swiecki, David M. Rizzo, Susan J. Frankel, Ross K. Meentemeyer. 2020. The magnitude of regional‐scale tree mortality caused by the invasive pathogen Phytophthora ramorum
• Susan J. Frankel, Tedmund J. Swiecki, Elizabeth A. Bernhardt, Diana Benner, Cheryl Blomquist, Suzanne Rooney-Latham. 2020. Accreditation to improve restoration program shows promise for pathogen prevention
• Tyler B. Bourret, Kamyar Aram, Heather K. Mehl, David M. Rizzo, Suzanne Rooney-Latham, Tedmund J. Swiecki, Elizabeth A. Bernhardt, Susan J. Frankel. 2020. Ten new provisional species of Phytophthora and Nothophytophthora from California
• Sebastian N. Fajardo, Tyler B. Bourret, Chris Endelenbos, Evan Lozano, David M. Rizzo, Susan J. Frankel, Katie VinZant. 2020. Assessing the incidence and diversity of Phytophthora species in planned restoration areas of the Angeles National Forest
• Kerri M. Frangioso, Susan J. Frankel, Christopher A. Lee. 2020. Over two decades of sudden oak death in California
• Susan J. Frankel, Janice M. Alexander. 2020. Proceedings of the seventh sudden oak death science and management symposium: healthy plants in a world with Phytophthora
• Susan J. Frankel,  Janice Alexander,  Diana Benner,  Janell Hillman, Alisa Shor. 2020. Phytophthora pathogens threaten rare habitats and conservation plantings
• C.A. Lee, Susan J. Frankel, D.M. Rizzo. 2019. Phytophthora ramorum and congenerics threaten oaks and other plants worldwide
• Richard C. Cobb, Noam Ross, Katherine Hayden, Catherine A. Eyre, Richard S. Dodd, Susan J. Frankel, Matteo Garbelotto, David M. Rizzo. 2019. Promise and pitfalls of endemic resistance for cultural resources threatened by Phytophthora ramorum
• Matteo Garbelotto, Susan J. Frankel, Bruno Scanu. 2018. Soil- and waterborne Phytophthora species linked to recent outbreaks in Northern California restoration sites
• Alex Woods, Susan J. Frankel. 2018. Climate change
• Richard C. Cobb, Peter Hartsough, Kerri Frangioso, Janet Klein, Mike Swezy, Andrea Williams, Carl Sanders, Susan J. Frankel, David M. Rizzo. 2017. Restoration management in redwood forests degraded by sudden oak death
• Susan J. Frankel. 2017. Innovation and dedication underpin management of sudden oak death (Phytophthora ramorum) in California and Oregon forests
• Richard Cobb, Peter Hartsough, Noam Ross, Janet Klein, David LaFever, Susan J. Frankel, David Rizzo. 2017. Resiliency or restoration: management of sudden oak death before and after outbreak
• Janice M. Alexander, Susan J. Frankel, Nina Hapner, John L. Phillips, Virgil Dupuis. 2017. Working across cultures to protect Native American natural and cultural resources from invasive species in California
• S. Rooney-Latham, C.L. Blomquist, M.C. Soriano, Y.Y. Guo, P. Woods, K.L. Kosta, K. Weber, T.J. Swiecki, E.A. Bernhardt, K. Suslow, Susan J. Frankel. 2017. An update on Phytophthora species in California native plant nurseries and restoration areas
• Phil Cannon, Susan J. Frankel, Pete Angwin. 2017. Lessons learned from the USDA Forest Service, Pacific Southwest Region, sudden oak death management program
• Richard C. Cobb, David M. Rizzo, Kerri Frangioso, Peter Hartsough, Janet Klein, Mike Swezy, Andrea Williams, Carl Sanders, Susan J. Frankel. 2017. Restoration of Mount Tamalpais forests destroyed by the sudden oak death pathogen
• Susan J. Frankel, Katharine M. Harrell. 2017. Proceedings of the sudden oak death sixth science symposium
• Susan J. Frankel, R. Cobb, A.J. Woods. 2016. Better management of pests and diseases
• Gregory M. Filip, Joshua Bronson, Kristen L. Chadwick, Jeremy B. Filip, Susan J. Frankel, Donald J. Goheen, Ellen M. Goheen, Sylvia Mori, Angel L. Saavedra. 2015. Precommercial thinning in mixed-species conifer plantations affected by armillaria and heterobasidion root diseases in West-Central Oregon and Washington: 30-year results
• S. Rooney-Latham, C. L. Blomquist, T. Swiecki, E. Bernhardt, Susan J. Frankel. 2015. First detection in the USA: new plant pathogen, Phytophthora tentaculata, in native plant nurseries and restoration sites in California
• Susan J. Frankel, K.M. Palmieri. 2014. Sudden Oak Death, Phytophthora ramorum: A Persistent Threat to Oaks and Other Tree Species
• Susan J. Frankel. 2013. Tanoak: History, ecology and values
• Susan J. Frankel. 2013. Foreward. Tanoak: History, ecology and values.
• Richard C. Cobb, David M. Rizzo, Katherine J. Hayden, Matteo Garbelotto, A.N. Filipe João, Christopher A. Gilligan, Whalen W. Dillon, Ross K. Meentemeyer, Yana S. Vlachovic, Ellen Goheen, Tedmund J. Swiecki, Everett M. Hansen, Susan J. Frankel. 2013. Biodiversity conservation in the face of dramatic forest disease: an integrated conservation strategy for tanoak (Notholithocarpus densiflorus) threatened by sudden oak death
• Susan J. Frankel, John T. Kliejunas, Katharine M. Palmieri, Janice M. Alexander. 2013. Proceedings of the sudden oak death fifth science symposium
• H. K. Mehl, Sylvia Mori, Susan J. Frankel, D. M. Rizzo. 2013. Mortality and growth of dwarf mistletoe-infected red and white fir and the efficacy of thinning for reducing associated losses
• Andrew M. Liebhold, Deborah G. McCullough, Laura Blackburn, Susan J. Frankel, Betsy Von Holle, Juliann E. Aukema. 2013. A highly aggregated geographical distribution of forest pest invasions in the USA
• Gregory M. Filip, Susan J. Frankel, Ellen M. Goheen, Bruce D. Moltzan. 2012. West Coast forest diseases
• Richard A. Sniezko, Alvin D. Yanchuk, John T. Kliejunas, Katharine M. Palmieri, Janice M. Alexander, Susan J. Frankel. 2012. Proceedings of the fourth international workshop on the genetics of host-parasite interactions in forestry: Disease and insect resistance in forest trees
• Christopher A. Lee, Janice M. Alexander, Susan J. Frankel, Yana Valachovic. 2012. Evolution of an invasive species research program and implications for large-scale management of a non-native, invasive plant pathogen
• E. M. Hansen, Susan J. Frankel. 2011. Forest Phytophthora diseases in the Americas: 2007 - 2010
• R.N. Sturrock, Susan J. Frankel, A. V. Brown, Paul Hennon, J. T. Kliejunas, K. J. Lewis, J. J. Worrall, A. J. Woods. 2011. Climate change and forest diseases
• Juliann E. Aukema, Brian Leung, Kent Kovacs, Corey Chivers, Jeffrey Englin, Susan J. Frankel, Robert G. Haight, Thomas P. Holmes, Andrew M. Liebhold, Deborah G. McCullough, Betsy Von Holle. 2011. Economic Impacts of Non-Native Forest Insects in the Continental United States
• Susan J. Frankel. 2011. Microbial acrobats: tracking the whereabouts of forest Phytophthora species
• J.E. Aukema, D.G. McCullough, B.V. Holle, Andrew M. Liebhold, Kerry Britton, Susan J. Frankel. 2010. Historical Accumulation of Nonindigenous Forest Pests in the Continental United States
• Katherine J. Hayden, Alex Lundquist, Douglas J. Schmidt, Richard A. Sniezko, Susan J. Frankel, Matteo Garbelotto. 2010. Tanoak resistance: can it be used to sustain populations?
• Chris Lee, Yana Valachovic, Susan J. Frankel, Katie Palmieri. 2010. Sudden Oak Death mortality and fire: lessons from the basin complex
• Susan J. Frankel, John T. Kliejunas, Katharine M. Palmieri. 2010. Proceedings of the Sudden Oak Death Fourth Science Symposium
• John T. Kliejunas, Brian W. Geils, Jessie A. Glaeser, Ellen Michaels Goheen, Paul Hennon, Mee-Sook Kim, Harry Kope, Jeff Stone, Rona Sturrock, Susan J. Frankel. 2009. Review of literature on climate change and forest diseases of western North America
• Susan J. Frankel. 2009. IUFRO Fourth Meeting of Working Party 7.02.09, Phytophthoras in Forest and Natural Ecosystems: Meeting Summary
• N.J. Grünwald, E.M. Goss, K. Ivors, M. Garbelotto, F.N. Martin, S. Prospero, E. Hansen, P.J.M. Bonants, R.C. Hamelin, G. Chastagner, S. Werres, D.M. Rizzo, G. Abad, P. Beales, G.J. Bilodeau, C.L. Blomquist, C. Brasier, S.C. Brière, A. Chandelier, J.M. Davidson, S. Denman, M. Elliott, Susan J. Frankel, E.M. Goheen, H. de Gruyter, K. Heungens, D. James, A. Kanaskie, M.G. McWilliams, W. Man in 't Veld, E. Moralejo, N.K. Osterbauer, M.E. Palm, J.L. Parke, A.M. Perez Sierra, S.F. Shamoun, N. Shishkoff, P.W. Tooley, A.M. Vettraino, J. Webber, T.L. Widmer. 2009. Standardizing the nomenclature for clonal lineages of the sudden oak death pathogen, Phytophthora ramorum
• E.M. Goheen, Susan J. Frankel. 2009. Proceedings of the fourth meeting of the International Union of Forest Research Organizations (IUFRO) Working Party S07.02.09: Phytophthoras in forests and natural ecosystems
• Susan J. Frankel. 2008. Sudden oak death and Phytophthora ramorum: an update on research with implications for regulations and management
• Susan J. Frankel. 2008. Welcome to the sudden oak death third science symposium
• Susan J. Frankel, John T. Kliejunas, Katharine M. Palmieri. 2008. Proceedings of the sudden oak death third science symposium
• Susan J. Frankel, Patrick J. Shea, Michael Haverty. 2006. Proceedings of the sudden oak death second science symposium: the state of our knowledge
• Susan J. Frankel, Steven W. Oak. 2006. Converting biology into regulations: U.S. Phytophthora ramorum quarantine as a case study
• Diane M. Hildebrand, Jeffrey K. Stone, Robert L. James, Susan J. Frankel. 2004. Alternatives to preplant soil fumigation for Western forest nurseries.
• Susan J. Frankel. 1998. User's Guide to the Western Root Disease Model, Version 3.0
• Gary Fiddler, Dennis R. Hart, Philip M. McDonald, Susan J. Frankel. 1995. Silvicultural practices (commercial thinning) are influencing the health of natural pine stands in eastern California

• University of Washington, Seattle, M.S. And M.F.R., Forest Pathology and Silviculture, 1991
• University of California, Berkeley, B.S., Plant Pathology, Natural Resources, 1985