Richard Cronn, PhD
Research Geneticist
richard.cronn@usda.gov
Treesearch Publications
- Brooke Penaluna, Ashley A. Coble, Arif Jan, Richard Cronn, Laura Hauck, Ivan Arismendi, Jessica Homyack. 2026. Forest age influences freshwater biodiversity in temperate watersheds
- Andrea Watts, Connie Harrington, Richard Cronn. 2025. Timing is everything! Insights from Douglas-fir response to the 2021 heat dome
- Pooja Singh, Brad St. Clair, Brandon M. Lind, Richard Cronn, Nicholas P. Wilhelmi, Nicolas Feau, Mengmeng Lu, Dragana Obreht Vidakovic, Richard C. Hamelin, David C. Shaw, Sally N. Aitken, Sam Yeaman. 2024. Genetic architecture of disease resistance and tolerance in Douglas‐fir trees
- Emily Dziedzic, Brian Sidlauskas, Richard Cronn, James Anthony, Trevan Cornwell, Thomas A. Friesen, Peter Konstantinidis, Brooke Penaluna, Staci Stein, Taal Levi. 2023. Creating, curating and evaluating a mitogenomic reference database to improve regional species identification using environmental DNA
- Connie Harrington, Peter Gould, Richard Cronn. 2023. Site and provenance interact to influence seasonal diameter growth of Pseudotsuga menziesii
- Brooke Penaluna, Richard Cronn, Laura Hauck, Kevin A. Weitemier, Tiffany S. Garcia. 2023. Uncovering the hidden biodiversity of streams at the upper distribution limit of fish
- Andrea Watts, Richard Cronn, Laura Hauck. 2022. Decoding the fingerprints of trees through their DNA
- John Kirkland, Brooke Penaluna, Richard Cronn. 2022. The promise of environmental DNA: Life in Northwest streams revealed through a bottle of water
- Joseph Charboneau, Richard Cronn, Aaron Liston, Martin Wojciechowski, Michael J. Sanderson. 2021. Plastome structural evolution and homoplastic inversions in Neo-Astragalus (Fabaceae)
- Kevin Weitemier, Brooke Penaluna, Laura Hauck, Lucas J. Longway, Tiffany Garcia, Richard Cronn. 2021. Estimating the genetic diversity of Pacific salmon and trout using multigene eDNA metabarcoding
- Glenn T. Howe, Keith Jayawickrama, Scott E. Kolpak, Jennifer Kling, Matt Trappe, Valerie Hipkins, Terrance Ye, Stephanie Guida, Richard Cronn, Samuel A. Cushman, Susan McEvoy. 2020. An Axiom SNP genotyping array for Douglas-fir
- Kristen N. Finch, Richard Cronn, Marianella C. Ayala Richter, Céline Blanc-Jolivet, Mónica C. Correa Guerrero, Luis De Stefano Beltrán, Carmen R. García-Dávila, Eurídice N. Honorio Coronado, Sonia Palacios-Ramos, Kathelyn Paredes-Villanueva, F. Andrew. Jones. 2020. Predicting the geographic origin of Spanish Cedar (Cedrela odorata L.) based on DNA variation
- Kristen N. Finch, F. Andrew Jones, Richard Cronn. 2019. Genomic resources for the Neotropical tree genus Cedrela (Meliaceae) and its relatives
- Laura Hauck, Kevin A. Weitemier, Brooke Penaluna, Tiffany S. Garcia, Richard Cronn. 2019. Casting a broader net: Using microfluidic metagenomics to capture aquatic biodiversity data from diverse taxonomic targets
- Nele Schmitz, Céline Blanc-Jolivet, Markus Boner, María Teresa Cervera, Manuel Chavesta, Richard Cronn, Bernd Degen, Victor Deklerck, Carmen Diaz-Sala, Eleanor Dormontt, Marius Ekué, Edgard O. Espinoza, Peter Gasson, David Gehl, Matthias Gehre, Volker Haag, John C. Hermanson, Eurídice Honorio-Coronado, Gerald Koch, Cady Lancaster, Fredric Lens, Estephanie Patricia Liendo-Hoyos, Sandra Martínez-Jarquín, Rolando Montenegro, Kathelyn Paredes-Villanueva, Tereza Pastore, Tahiana Ramananantoandro, Vera T. Rauber-Coradin, Harisoa Ravaomanalina, Gareth Rees, Alexandre Magno Sebbenn, Niklas Tysklind, Mart Vlam, Charlie Watkinson, Michael C. Wiemann. 2019. General sampling guide for timber tracking: How to collect reference samples for timber identification
- Ashley A. Coble, Camille A. Flinders, Jessica A. Homyack, Brooke Penaluna, Richard Cronn, Kevin Weitemier. 2019. eDNA as a tool for identifying freshwater species in sustainable forestry: A critical review and potential future applications
- Michael K. Young, Kevin S. McKelvey, Tara Jennings, Katie Carter, Richard Cronn, Ernest R. Keeley, Janet L. Loxterman, Kristine L. Pilgrim, Michael K. Schwartz. 2018. The phylogeography of westslope cutthroat trout
- Ethan A. G. Baker, Jill L. Wegrzyn, Uzay U. Sezen, Taylor Falk, Patricia E. Maloney, Detlev R. Vogler, Annette Delfino-Mix, Camille Jensen, Jeffry Mitton, Jessica W. Wright, Brian Knaus, Hardeep Rai, Richard Cronn, Daniel Gonzalez-Ibeas, Hans A. Vasquez-Gross, Randi A. Famula, Jun-Jun Liu, Lara M. Kueppers, David B. Neale. 2018. Comparative transcriptomics among four white pine species
- Kasey K. Pham, Andrew L. Hipp, Paul S. Manos, Richard Cronn. 2017. A time and a place for everything: phylogenetic history and geography as joint predictors of oak plastome phylogeny
- Richard Cronn, Peter C. Dolan, Sanjuro Jogdeo, Jill L. Wegrzyn, David B. Neale, Brad St. Clair, Dee R. Denver. 2017. Transcription through the eye of a needle: daily and annual cyclic gene expression variation in Douglas-fir needles
- Garth Holman, Peter Del Tredici, Nathan P. P. Havill, Nam Sook Lee, Richard Cronn, Sarah Mathews, Linda Raubeson, Christopher S. Campbell. 2017. A new species and introgression in eastern Asian hemlocks (Pinaceae: Tsuga)
- Jill Wegrzyn, Meg Staton, Emily Grau, Richard Cronn, C. Dana Nelson. 2017. Community standards for genomic resources, genetic conservation, and data integration
- Kristen Finch, Edgard Espinoza, F. Andrew Jones, Richard Cronn. 2017. Source identification of western Oregon Douglas-Fir wood cores using mass spectrometry and random forest Classification
- David B. Neale, Patrick E. McGuire, Nicholas C. Wheeler, Kristian A. Stevens, Marc W. Crepeau, Charis Cardeno, Aleksey V. Zimin, Daniela Puiu, Geo M. Pertea, U. Uzay Sezen, Claudio Casola, Tomasz E. Koralewski, Robin Paul, Daniel Gonzalez-Ibeas, Sumaira Zaman, Richard Cronn, Mark Yandell, Carson Holt, Charles H. Langley, James A. Yorke, Steven L. Salzberg, Jill L. Wegrzyn. 2017. The Douglas-fir genome sequence reveals specialization of the photosynthetic apparatus in Pinaceae
- Roswitha Schmickl, Aaron Liston, Vojtěch Zeisek, Kenneth Oberlander, Kevin Weitemier, Shannon C. K. Straub, Richard Cronn, Léanne L. Dreyer, Jan Suda. 2016. Phylogenetic marker development for target enrichment from transcriptome and genome skim data: the pipeline and its application in southern African Oxalis (Oxalidaceae)
- John V. Syring, Jacob A. Tennessen, Tara Jennings, Jill Wegrzyn, Camille Scelfo-Dalbey, Richard Cronn. 2016. Targeted capture sequencing in Whitebark pine reveals range-wide demographic and adaptive patterns despite challenges of a large, repetitive genome
- Hilke Schroeder, Richard Cronn, Yulai Yanbaev, Tara Jennings, Malte Mader, Bernd Degen, Birgit Kersten, Dusan Gomory. 2016. Development of molecular markers for determining continental origin of wood from White Oaks (Quercus L. sect. Quercus)
- Margaret Staton, Teodora Best, Sudhir Khodwekar, Sandra Owusu, Tao Xu, Yi Xu, Tara Jennings, Richard Cronn, A. Kathiravetpilla Arumuganathan, Mark Coggeshall, Oliver Gailing, Haiying Liang, Jeanne Romero-Severson, Scott Schlarbaum, John E. Carlson. 2015. Preliminary genomic characterization of ten hardwood tree species from multiplexed low coverage whole genome sequencing
- Kevin Weitemier, Shannon C.K. Straub, Richard Cronn, Mark Fishbein, Roswitha Schmickl, Angela McDonnell, Aaron Liston. 2014. Hyb-Seq: combining target enrichment and genome skimming for plant phylogenomics
- Katherine J. Hayden, Matteo Garbelotto, Brian Knaus, Richard Cronn, Hardeep Rai, Jessica W. Wright. 2014. Dual RNA-seq of the plant pathogen phytophthora ramorum and its tanoak host
- Michael DeGiorgio, John Syring, Andrew J. Eckert, Aaron Liston, Richard Cronn, David B. Neale, Noah A. Rosenberg. 2014. An empirical evaluation of two-stage species tree inference strategies using a multilocus dataset from North American pines
- Shannon C.K. Straub, Richard Cronn, Christopher Edwards, Mark Fishbein, Aaron Liston. 2013. Horizontal transfer of DNA from the mitochondrial to the plastid genome and its subsequent evolution in milkweeds (Apocynaceae)
- Tar N. Jennings, Brian Knaus, Katherine Alderman, Paul Hennon, David V. D'Amore, Richard Cronn. 2013. Microsatellite primers for the Pacific Northwest conifer Callitropsis nootkatensis (Cupressaceae)
- Amy Ross-Davis, J. E. Stewart, John W. Hanna, M.-S. Kim, B. J. Knaus, Richard Cronn, H. Rai, Bryce A. Richardson, G. I. McDonald, Ned B. Klopfenstein. 2013. Transcriptome of an Armillaria root disease pathogen reveals candidate genes involved in host substrate utilization at the host-pathogen interface
- Wambui Njunguna, Aaron Liston, Richard Cronn, Tia-Lynn Ashman, Nahla Bassil. 2013. Insights into phylogeny, sex function and age of Fragaria based on whole chloroplast genome sequencing
- Hardeep S. Rai, Karen E. Mock, Bryce A. Richardson, Richard Cronn, Katherine Hayden, Jessica W. Wright, Brian Knaus, Paul G. Wolf. 2013. Transcriptome characterization and detection of gene expression differences in aspen (Populus tremuloides)
- Glenn R. Howe, Jianbin Yu, Brian Knaus, Richard Cronn, Scott Kolpak, Peter Dolan, W. Walter Lorenz, Jeffrey F.D. Dean. 2013. A SNP resource for douglas-fir: de novo transcriptome assembly and SNP detection and validation
- Katherine Hayden, Matteo Garbelotto, Hardeep Fai, Brian Knaus, Richard Cronn, Jessica W. Wright. 2012. Gene expression in the tanoak-Phytophthora ramorum interaction
- Alana Alexander, Debbie Steel, Beth Slikas, Kendra Hoekzema, Colm Carraher, Matthew Parks, Richard Cronn, C. Scott Baker. 2012. Low diversity in the mitogenome of sperm whales revealed by next-generation sequencing
- Richard Cronn, Brian Knaus, Aaron Liston, Peter J. Maughan, Matthew Parks, John V. Syring, Joshua Udall. 2012. Targeted enrichment strategies for next-generation plant biology
- Matthew Parks, Aaron Liston, Richard Cronn. 2011. Newly developed primers for complete YCF1 amplification in Pinus (Pinaceae) chloroplasts with possible family-wide utility
- Prabin Bajgain, Bryce A. Richardson, Jared C. Price, Richard Cronn, Joshua A. Udall. 2011. Transcriptome characterization and polymorphism detection between subspecies of big sagebrush (Artemisia tridentata)
- Shannon C.K. Straub, Mark Fishbein, Tatyana Livshult, Zachary Foster, Matthew Parks, Kevin Weitemier, Richard Cronn, Aaron Liston. 2011. Building a model: developing genomic resources for common milkweed (Asclepias syriaca) with low coverage genome sequencing
- Brian Knaus, Richard Cronn, Aaron Liston, Kristine L. Pilgrim, Michael K. Schwartz. 2011. Mitochondrial genome sequences illuminate maternal lineages of conservation concern in a rare carnivore
- Zenaida V. Magbanua, Seval Ozkan, Benjamin D. Bartlett, Philippe Chouvarine, Christopher A. Saski, Aaron Liston, Richard Cronn, C. Dana Nelson, Daniel G. Peterson. 2011. Adventures in the enormous: a 1.8 million clone BAC library for the 21.7 Gb genome of loblolly pine
- W. Njuguna, A. Liston, Richard Cronn, N.V. Bassil. 2010. Multiplexed fragaria chloroplast genome sequencing
- Larry Stritch, Peggy Olwell, Scott Lambert, Matthew E. Horning, Richard Cronn. 2010. What are the best seed sources for ecosystem restoration on BLM and USFS lands?
- Maria L. Zapiola, Richard Cronn, Carol A. Mallory-Smith. 2010. Development of novel chloroplast microsatellite markers to identify species in the Agrostis complex (Poaceae) and related genera.
- J.B. Whittall, J. Syring, M. Parks, J. Buenrostro, C. Dick, A. Liston, Richard Cronn. 2010. Finding a (pine) needle in a haystack: chloroplast genome sequence divergence in rare and widespread pines
- Matthew Parks, Richard Cronn, Aaron Liston. 2009. Increasing phylogenetic resolution at low taxonomic levels using massively parallel sequencing of chloroplast genomes
- Erika l. Hersch-Green, Richard Cronn. 2009. Tangled trios? Characterizing a hybrid zone in Castilleja (Orobanchaceae)
- Richard Cronn, Aaron Liston, Matthew Parks, David S. Gernandt, Rongkun Shen, Todd Mockler. 2008. Multiplex sequencing of plant chloroplast genomes using Solexa sequencing-by-synthesis technology
- John Syring, Rafael F. del Castillo, Richard Cronn, Aaron Liston. 2007. Multiple nuclear loci reveal the distinctiveness of the threatened, Neotropical Pinus chiapensis
- Matthew E. Horning, Richard Cronn. 2006. Length polymorphism scanning is an efficient approach for revealing chloroplast DNA variation.
- John Syring, Ann Willyard, Richard Cronn, Aaron Liston. 2005. Evolutionary relationships among Pinus (Pinaceae) subsections inferred from multiple low-copy nuclear loci.
- GR Johnson, Frank Sorensen, J Bradley St Clair, Richard Cronn. 2004. Pacific Northwest forest tree seed zones: a template for native plants?
- Jonathan F. Wendel, Richard Cronn, J. Spencer Jonhston, H. James Price. 2002. Feast and famine in plant genomes.
- Richard Cronn, Randall L. Small, Tamara Hanselkorn, Jonathan F. Wendel. 2002. Rapid diversification of the cotton genus (Gossypium: Malvaceae) revealed by analysis of sixteen nuclear and chloroplast genes.
- Richard Cronn, M. Cedroni, T. Haselkorn, C. Grover, Jonathan F. Wendel. 2002. PCR-mediated recombination in amplification products derived from polyploid cotton.
- Richard Cronn, Randall L. Small, Jonathan F. Wendel. 1999. Duplicated genes evolve independently in allopolyploid cotton.
Data and Tools
- Iowa State University, Ph.D. Plant Genetics, Evolutionary and population genetics, 1997
Last updated March 10, 2026