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ARS Home » People & Locations » Meredith Larsen (Meg)
Meredith M Larsen (Meg)
Location Support Staff
Safety and Occupational Health Manager

Phone: (541) 738-4022
Fax: (541) 738-4025

3420 NW Orchard Ave
CORVALLIS, OR 973300000

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Novel introductions and epidemic dynamics of the sudden oak death pathogen Phytophthora ramorum in Oregon forests Reprint Icon - (Peer Reviewed Journal)
Carleson, N.C., Daniels, H.A., Larsen, M.M., Sutton, W., Reeser, P.W., Kanaskie, A., Hansen, E.M., Navarro, S.M., Leboldus, J.M., Grunwald, N.J. 2021. Novel introductions and epidemic dynamics of the sudden oak death pathogen Phytophthora ramorum in Oregon forests. Phytopathology. 111(4):731-740. https://doi.org/10.1094/PHYTO-05-20-0164-R.
Botrytis cinerea populations infecting small fruit hosts in the Pacific Northwest are highly structured on a local scale Reprint Icon - (Peer Reviewed Journal)
Kozhar, O., Larsen, M.M., Grunwald, N.J., Peever, T.L. 2020. Botrytis cinerea populations infecting small fruit hosts in the Pacific Northwest are highly structured on a local scale. Applied and Environmental Microbiology. 86(9):e02908-19. https://doi.org/10.1128/AEM.02908-19.
Genetic differentiation and clonal expansion of Chinese Botrytis cinerea populations from tomato and other crops in China Reprint Icon - (Peer Reviewed Journal)
Diao, Y., Larsen, M.M., Kamvar, Z.N., Zhang, C., Wang, W., Li, D., Peng, Q., Knaus, B.J., Foster, Z.S., Grunwald, N.J., Liu, X. 2019. Genetic differentiation and clonal expansion of Chinese Botrytis cinerea populations from tomato and other crops in China. Phytopathology. 110(2):428-439. https://doi.org/10.1094/PHYTO-09-18-0347-R.
Phytophthora urerae sp. nov., a new clade 1c relative of the Irish famine pathogen Phytophthora infestans from South America Reprint Icon - (Peer Reviewed Journal)
Grunwald, N.J., Forbes, G.A., Perez-Barrera, W., Stewart, J.E., Fieland, V.J., Larsen, M.M. 2018. Phytophthora urerae sp. nov., a new clade 1c relative of the Irish famine pathogen Phytophthora infestans from South America. Phytopathology. 68(3):557-565. https://doi.org/10.1111/ppa.12968.
Variation in genetic diversity of Phytophthora infestans populations in Mexico from the center of origin outwards Reprint Icon - (Peer Reviewed Journal)
Shakya, S.K., Larsen, M.M., Condoy Cuenca, M.M., Lozoya-Saldana, H., Grunwald, N.J. 2018. Variation in genetic diversity of Phytophthora infestans populations in Mexico from the center of origin outwards. Plant Disease. 102(8):1534-1540. https://doi.org/10.1094/PDIS-11-17-1801-RE.
The sudden oak death epidemic in Oregon ()
Navarro, S., Lujan, M.A., Mcaninch, G.L., Goheen, E., Grunwald, N.J., Larsen, M.M., Fieland, V., Tabima, J., Leboldus, J. 2017. The sudden oak death epidemic in Oregon. Digger. Available: http://www.diggermagazine.com/growing-knowledge-201709/.
High levels of diversity and population structure in the potato late blight pathogen at the Mexico centre of origin - (Peer Reviewed Journal)
Wang, J., Fernandez-Pavia, S.P., Larsen, M.M., Garay-Serrano, E., Gregorio-Cipriano, R., Rodriguez-Alvarado, G., Grunwald, N.J., Goss, E.M. 2017. High levels of diversity and population structure in the potato late blight pathogen at the Mexico centre of origin. Molecular Ecology. 26(4):1091-1107. doi: 10.1111/mec.14000.
Microbe-ID: An open source toolbox for microbial genotyping and species identification - (Peer Reviewed Journal)
Tabima, J.F., Everhart, S.E., Larsen, M.M., Weisberg, A.J., Kamvar, Z.N., Tancos, M.A., Smart, C.D., Chang, J.H., Grunwald, N.J. 2016. Microbe-ID: An open source toolbox for microbial genotyping and species identification. PeerJ. 4:e2279. doi: 10.7717/peerj.2279.
Analysis of populations of the sudden oak death pathogen in Oregon forests - (Proceedings)
Kamvar, Z.N., Hansen, E.M., Kanaskie, A.M., Larsen, M.M., Grunwald, N.J. 2017. Analysis of populations of the sudden oak death pathogen in Oregon forests. In: Proceedings of the Sudden Oak Death Sixth Science Symposium; 6/20/16-6/23/16; San Francisco, CA. Available: https://www.fs.fed.us/psw/publications/documents/psw_gtr255/psw_gtr255.pdf. 40 p.
First report of the EU1 clonal lineage of Phytophthora ramorum on tanoak in an Oregon forest - (Peer Reviewed Journal)
Grunwald, N.J., Larsen, M.M., Kamvar, Z.N., Reeser, P.W., Kanaskie, A., Laine, J., Wiese, R. 2016. First report of the EU1 clonal lineage of Phytophthora ramorum on tanoak in an Oregon forest. Plant Disease. 100(5):1024. doi: 10.1094/PDIS-10-15-1169-PDN
Spatial and temporal analysis of populations of the Sudden Oak Death pathogen in Oregon forests - (Peer Reviewed Journal)
Kamvar, Z.N., Larsen, M.M., Kanaskie, A.M., Hansen, E.M., Grunwald, N.J. 2015. Spatial and temporal analysis of populations of the Sudden Oak Death pathogen in Oregon forests. Phytopathology. 105:982-989.
Pathogenicity, fungicide resistance, and genetic variability of Phytophthora rubi isolates from raspberry (Rubus idaeus) in the Western United States - (Peer Reviewed Journal)
Stewart, J.E., Kroese, D.R., Tabima, J.F., Larsen, M.M., Fieland, V.J., Press, C.M., Zasada, I.A., Grunwald, N.J. 2014. Pathogenicity, fungicide resistance, and genetic variability of Phytophthora rubi isolates from raspberry (Rubus idaeus) in the Western United States. Plant Disease. 98:1702-1708.
Identification of new polymorphic microsatellite markers in the NA1 and NA2 lineages of Phytophthora ramorum - (Peer Reviewed Journal)
Vercauteren, A., Larsen, M.M., Goss, E.M., Grunwald, N.J., Maes, M., Heungens, K. 2011. Identification of new polymorphic microsatellite markers in the NA1 and NA2 lineages of Phytophthora ramorum. Mycologia. 103:1245-1249.
Phytophthora-ID.org: a sequence-based Phytophthora identification tool - (Peer Reviewed Journal)
Grunwald, N.J., Martin, F.N., Larsen, M.M., Sullivan, C.M., Press, C.M., Coffey, M.D., Hansen Everett, M., Parke, J.L. 2011. Phytophthora-ID.org: a sequence-based Phytophthora identification tool. Plant Disease. 95(3):337-342.
Phytophthora ramorum detections in Canada: evidence for migration within North America and from Europe - (Peer Reviewed Journal)
Goss, E.M., Larsen, M.M., Vercauteren, A., Werres, S., Heungens, K., Grunwald, N.J. 2011. Phytophthora ramorum detections in Canada: evidence for migration within North America and from Europe. Phytopathology. 101:166-171.
Population Genetic Analysis Infers Migration Pathways of Phytophthora ramorum in U.S. Nurseries - (Peer Reviewed Journal)
Goss, E.M., Larsen, M.M., Chastagner, G., Givens, D., Grunwald, N.J. 2009. Population genetic analysis infers migration pathways of Phytophthora ramorum in U.S. nurseries. PLoS Pathogens. 5(9):e1000538.
The relationship of biofilm production to biocontrol activity of Burkholderia pyrrocinia FP62 - (Abstract Only)
Wallace, P., Mahaffee, W.F., Press, C.M., Larsen, M.M., Neill, T.M. 2009. The relationship of biofilm production to biocontrol activity of Burkholderia pyrrocinia FP62. American Phytopathological Society Abstracts. p. 569.
ROLE OF BIOFILMS IN BIOCONTROL OF BOTRYTIS CINEREA - (Abstract Only)
Press, C.M., Mahaffee, W.F., Roche, M.M., Sechler, T.M., Davis, A.L. Role Of Biofilms In Biocontrol Of Botrytis Cinerea.
MICROSCOPIC EVALUATION OF PHYLLOSPHERE COLONIZATION BY A BIOFILM-FORMING BIOCONTROL AGENT - (Abstract Only)
Sechler, T.M., Mahaffee, W.F., Press, C.M., Roche, M.M., Dileone, J., Soeldner, A.H. Microscopic Evaluation Of Phyllosphere Colonization By A Biofilm-Forming Biocontrol Agent.
CHARACTERIZATION OF THE BIOFILM PHENOTYPE OF BURKHOLDERIA SP., FP62 AND ITS ROLE IN BIOCONTROL - (Abstract Only)
Roche, M.M., Mahaffee, W.F., Press, C.M., Sechler, T.M., Davis, A.L. Characterization Of The Biofilm Phenotype OF Burkholderia SP., FP62 And Its Role In Biocontrol.