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Alex C. Wiedenhoeft, PhD

Alex C. Wiedenhoeft, PhD

Research Botanist and Team Leader

Forest Products Laboratory

0000-0002-7053-8565

alex.c.wiedenhoeft@usda.gov

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Treesearch Publications

Jeimy Blanco-Flórez, Rafael Arévalo, Joshua M. Limbaugh, Alex C. Wiedenhoeft. 2026. Edge-notched cards for the identification of 30 woods traded in Colombia
Joanna Ostapkowicz, Alex C. Wiedenhoeft, Fiona Brock, Christophe Snoeck, Caroline Cartwright, Jeremy Uden, Claudia Baittinger, Mille Gabriel, Julie Gordon, Pascale Richardin, Catherine Lavier, Thibault Clauzel, Ronny Friedrich, Doris Döppes, Martin E. Berger, Marcony Lopes Alves, John Pouncett, Rachel Wood, Rick J. Schulting. 2026. Jaguars and raptorial birds: The ancient wood carving arts of Northeastern South America (Trombetas River region, Brazil)
Kyatt G. Spessert, Frank C. Owens, Adriana Costa, Rafael Arévalo, Alex C. Wiedenhoeft. 2025. Democratizing essential wood identification information for Central American timber markets with an ergonomically designed, interactive, bilingual smartphone app
Matthew J. Cashman, Zach Clifton, Bryan Landacre, Christopher E. Bernhardt, Alex C. Wiedenhoeft, Christopher J. Victoria. 2025. Hidden legacies: Investigating buried pre-colonial stream corridors in the Mid-Atlantic Coastal Plain, Maryland, USA
Adriana Costa, Frank C. Owens, Richard K. Soares, Alex C. Wiedenhoeft. 2025. Fraud and Misrepresentation in the Lump Charcoal Market in the United States: A Closer Look Inside the Bag
Kyatt Spessert, Frank C. Owens, Adriana Costa, Alberta Asi Ebeheakey, Alex C. Wiedenhoeft. 2025. What Wood? Ghana Edition: Enhancing a Wood Identification Field Manual with Smartphone Functionality
Frank C. Owens, Prabu Ravindran, Adriana Costa, Manuel Chavesta, Rolando Montenegro, Rubin Shmulsky, Alex C. Wiedenhoeft. 2025. Robustness of a macroscopic computer-vision wood identification model to digital perturbations of test images
Alex C. Wiedenhoeft, Prabu Ravindran, Adriana Costa, Rubin Shmulsky, Frank C. Owens. 2025. Delving into the porosity domain continuum in hardwood growth rings: what can we learn from computer vision wood identification models?
Frank C. Owens, Prabu Ravindran, Adriana Costa, Rubin Shmulsky, Alex C. Wiedenhoeft. 2024. Predicting hardwood porosity domains: Toward cascading computer-vision wood identification models
Adriana Costa, Alex C. Wiedenhoeft. 2023. On the possible functions of helical thickenings in conductive cells in wood
Prabu Ravindran, Frank C. Owens, Adriana Costa, Brunela Pollastrelli Rodrigues, Manuel Chavesta, Rolando Montenegro, Rubin Shmulsky, Alex C. Wiedenhoeft. 2023. Evaluation Of Test Specimen Surface Preparation On Macroscopic Computer Vision Wood Identification
Joanna Ostapkowicz, Fiona Brock, Alex C. Wiedenhoeft, Warwick Bray. 2023. South American indigenous weapons aboard the San Pedro shipwreck of 1596
Rafael Arévalo, Alex C. Wiedenhoeft. 2022. Identification of Central American, Mexican, and Caribbean Woods
Shoujia Liu, Tuo He, Jiajun Wang, Jiabao Chen, Juan Guo, Xiaomei Jiang, Alex C. Wiedenhoeft, Yafang Yin. 2022. Can quantitative wood anatomy data coupled with machine learning analysis discriminate CITES species from their look-alikes?
Prabu Ravindran, Adam C. Wade, Frank C. Owens, Rubin Shmulsky, Alex C. Wiedenhoeft. 2022. Towards sustainable North American wood product value chains, part 2: computer vision identification of ring-porous hardwoods
Samuel V. Glass, Charles R. Boardman, Prabu Ravindran, Alex C. Wiedenhoeft. 2022. Measurement and practical application of tangential dimensional change coefficients to hardwood flooring
Adriana Costa, Giovanny Giraldo, Amy B. Bishell, Tuo He, Grant T. Kirker, Alex C. Wiedenhoeft. 2022. Organellar microcapture to extract nuclear and plastid DNA from recalcitrant wood specimens and trace evidence
Prabu Ravindran, Alex C. Wiedenhoeft. 2022. Caveat emptor: On the Need for Baseline Quality Standards in Computer Vision Wood Identification
Prabu Ravindran, Frank C. Owens, Adam C. Wade, Rubin Shmulsky, Alex C. Wiedenhoeft. 2022. Towards Sustainable North American Wood Product Value Chains, Part I: Computer Vision Identification of Diffuse Porous Hardwoods
Rafael Arévalo, Esperanza N. Pulido R., Juan F. Solórzano G., Richard Soares, Flavio Ruffinatto, Prabu Ravindran, Alex C. Wiedenhoeft. 2021. Imaged based identification of Colombian timbers using the XyloTron: A proof of concept international partnership
Prabu Ravindran, Frank C. Owens, Adam C. Wade, Patricia Vega, Rolando Montenegro, Rubin Shmulsky, Alex C. Wiedenhoeft. 2021. Field-Deployable Computer Vision Wood Identification of Peruvian Timbers
Alex C. Wiedenhoeft, Thomas L. Eberhardt. 2021. Chapter 3: Structure and function of wood
Rafael Arévalo, Emmanuel Ebanyenle, Alberta Asi Ebeheakey, Kofi Abban Bonsu, Ophilious Lambog, Richard Soares, Alex C. Wiedenhoeft. 2020. Field identification manual for Ghanaian timbers
Alex C. Wiedenhoeft. 2020. The XyloPhone: toward democratizing access to high-quality macroscopic imaging for wood and other substrates
Patricia T. Vega, Alex C. Wiedenhoeft. 2020. Wood species toxicity
H. Beeckman, C. Jolivet-Blanc, L. Boeschoten, J.W.B. Braga, J.A. Cabezas, G. Chaix, S. Crameri, B. Degen, V. Deklerck, E. Dormontt, E. Espinoza, P. Gasson, V. Haag, S. Helmling, M. Horacek, G. Koch, C. Lancaster, F. Lens, A. Lowe, S. Martinez-Jarquin, J.A. Nowakowska, A. Olbrich, K. Paredes-Villanueva, T.C.M. Pastore, T. Ramananantoandro, A.R. Razafimahatratra, P. Ravindran, G. Rees, L.F. Soares, N. Tysklind, M. Vlam, C. Watkinson, E. Wheeler, R. Winkler, Alex C. Wiedenhoeft, V.Th Zemke, P. Zuidema. 2020. Overview of current practices in data analysis for wood identification: a guide for the different timber tracking methods.
Prabu Ravindran, Blaise J. Thompson, Richard K. Soares, Alex C. Wiedenhoeft. 2020. The XyloTron: flexible, open-source, image-based macroscopic field identification of wood products
Prabu Ravindran, Alex C. Wiedenhoeft. 2020. Comparison of two forensic wood identification technologies for ten Meliaceae woods: computer vision versus mass spectrometry
Tuo He, João Marco, Richard Soares, Yafang Yin, Alex C. Wiedenhoeft. 2019. Machine Learning Models with Quantitative Wood Anatomy Data Can Discriminate between Swietenia macrophylla and Swietenia mahagoni
Prabu Ravindran, Emmanuel Ebanyenle, Alberta Asi Ebeheakey, Kofi Bonsu Abban, Ophilious Lambog, Richard Soares, Adriana Costa, Alex C. Wiedenhoeft. 2019. Image based identification of Ghanaian timbers using the XyloTron: opportunities, risks and challenges
Maomao Zhang, Guangjie Zhao, Juan Guo, Alex C. Wiedenhoeft, Charles C. Liu, Yafang Yin. 2019. Timber species identification from chemical fingerprints using direct analysis in real time (DART) coupled to Fourier transform ion cyclotron resonance mass spectrometry (FTICR-MS): comparison of wood samples subjected to different treatments
John C. Hermanson, David Dostal, Joseph Destree, Alex C. Wiedenhoeft. 2019. The XyloScope—A field-deployable macroscopic digital imaging device for wood
Alex C. Wiedenhoeft, John Simeone, Amy Smith, Meaghan Parker-Forney, Richard Soares, Akiva Fishman. 2019. Fraud and misrepresentation in retail forest products exceeds U.S forensic wood science capacity
Tuo He, Lichao Jiao, Alex C. Wiedenhoeft, Yafang Yin. 2019. Machine learning approaches outperform distance- and tree-based methods for DNA barcoding of Pterocarpus wood
Lichao Jiao, Min Yu, Alex C. Wiedenhoeft, Tuo He, Jianing Li, Bo Liu, Xiaomei Jiang, Yafang Yin. 2018. DNA barcode authentication and library development for the wood of six commercial Pterocarpus species: the critical role of xylarium specimens
Filipe A. Snel, Jez W. B. Braga, Diego da Silva, Alex C. Wiedenhoeft, Adriana Costa, Richard Soares, Vera T. R. Coradin, Tereza C. M. Pastore. 2018. Potential field-deployable NIRS identification of seven Dalbergia species listed by CITES
Prabu Ravindran, Adriana Costa, Richard Soares, Alex C. Wiedenhoeft. 2018. Classification of CITES-listed and other neotropical Meliaceae wood images using convolutional neural networks
Joanna Ostapkowicz, Alison Roberts, Jevon Thistlewood, Fiona Brock, Alex C. Wiedenhoeft, Chrostophe Snoeck, Rick Schulting, Warwick Bray. 2018. The origins of Tradescant’s ‘India Occidentali’ wooden clubs: ¹⁴C dating, material identification and strontium isotope studies
Rafael Arévalo, Benjamin W. van Ee, Ricarda Riina, Paul E. Berry, Alex C. Wiedenhoeft. 2017. Force of habit: shrubs, trees and contingent evolution of wood anatomical diversity using Croton (Euphorbiaceae) as a model system
Joanna Ostapkowicz, Fiona Brock, Alex C. Wiedenhoeft, Christophe Snoeck, John Pouncett, Yasmin Baksh-Comeau, Rick Schulting, Philippe Claeys, Nadine Mattielli, Mike Richards, Arie Boomert. 2017. Black pitch, carved histories: radiocarbon dating, wood species identification and strontium isotope analysis of prehistoric wood carvings from Trinidad’s Pitch Lake
Fiona Brock, Joanna Ostapkowicz, Alex C. Wiedenhoeft, Ian D. Bull. 2017. Radiocarbon dating wooden carvings and skeletal remains from Pitch Lake, Trinidad
Min Yu, Lichao Jiao, Juan Guo, Alex C. Wiedenhoeft, Tuo He, Xiaomei Jiang, Yafang Yin. 2017. DNA barcoding of vouchered xylarium wood specimens of nine endangered Dalbergia species
Joanna Ostapkowicz, Fiona Brock, Alex C. Wiedenhoeft, Rick Schulting, Donatella Saviola. 2017. Integrating the old world into the new: an ‘idol from the West Indies’
Alex C. Wiedenhoeft, Rafael Arévalo, Craig Ledbetter, Joseph Jakes. 2016. Structure–property characterization of the crinkle-leaf peach wood phenotype: a future model system for wood properties research?
Alex C. Wiedenhoeft. 2016. Best practice guide for forensic timber identification
Andrew J. Lowe, Eleanor E. Dormontt, Matthew J. Bowie, Bernd Degen, Shelley Gardner, Darren Thomas, Caitlin Clarke, Anto Rimbawanto, Alex C. Wiedenhoeft, Yafang Yin, Nophea Sasaki. 2016. Opportunities for improved transparency in the timber trade through scientific verification
Joseph Jakes, Xavier Arzola, Richard Bergman, Peter Ciesielski, Christopher G. Hunt, Nima Rahbar, Mandla A. Tshabalala, Alex C. Wiedenhoeft, Samuel L. Zelinka. 2016. Not just lumber--Using wood in the sustainable future of materials, chemicals, and fuels
Flavio Ruffinatto, Alan Crivellaro, Alex C. Wiedenhoeft. 2016. Lista dei caratteri macroscopici per l’identificazione dei legni
Samuel L. Zelinka, Leandro Passarini, José L. Colon Quintana, Samuel V. Glass, Joseph Jakes, Alex C. Wiedenhoeft. 2016. Cell wall domain and moisture content influence southern pine electrical conductivity
Maria C.J. Bergo, Tereza C.M. Pastore, Vera T.R. Coradin, Alex C. Wiedenhoeft, Jez W.B. Braga. 2016. NIRS Identification of Swietenia Macrophylla is Robust Across Specimens from 27 Countries
Carmen R. Marcati, Silvia R. Machado, Diego Sotto Podadera, Natalia O. Totti de Lara, Fabio Bosio, Alex C. Wiedenhoeft. 2016. Cambial activity in dry and rainy season on branches from woody species growing in Brazilian Cerrado
Eleanor E. Dormontt, Markus Boner, Birgit Braun, Gerhard Breulmann, Bernd Degen, Edgard Espinoza, Shelley Gardner, Phil Guillery, John C. Hermanson, Gerald Koch, Soon Leong Lee, Milton Kanashiro, Anto Rimbawanto, Darren Thomas, Alex C. Wiedenhoeft, Yafang Yin, Johannes Zahnen, Andrew J. Lowe. 2015. Forensic timber identification: It's time to integrate disciplines to combat illegal logging
Irina P. Panyushkina, Steven W. Leavitt, Eugene W. Domack, Alex C. Wiedenhoeft. 2015. Tree-Ring Investigation of Holocene Flood-Deposited Wood From the Oneida Lake Watershed, New York State
Flavio Ruffinatto, Alan Crivellaro, Alex C. Wiedenhoeft. 2015. Review of Macroscopic Features for Hardwood and Softwood Identification and a Proposal for a New Character List
Samuel L. Zelinka, Keith Bourne, John C. Hermanson, Samuel V. Glass, Adriana Costa, Alex C. Wiedenhoeft. 2015. Force-displacement measurements of earlywood bordered pits using a mesomechanical tester
Samuel L. Zelinka, Alex C. Wiedenhoeft, Samuel V. Glass, Flavio Ruffinatto. 2015. Anatomically informed mesoscale electrical impedance spectroscopy in southern pine and the electric field distribution for pin-type electric moisture metres
Samuel L. Zelinka, José L. Colon Quintana, Samuel V. Glass, Joseph Jakes, Alex C. Wiedenhoeft. 2015. Subcellular Electrical Measurements as a Function of Wood Moisture Content
Alex C. Wiedenhoeft. 2014. Chapter 9: Curating xylaria
Alex C. Wiedenhoeft, David E. Kretschmann. 2014. Species Identification and Design Value Estimation of Wooden Members in Covered Bridges
Carmen Regina Marcati, Leandro Roberto Longo, Alex C. Wiedenhoeft, Claudia Franca Barros. 2014. Comparative wood anatomy of root and stem of Citharexylum myrianthum (Verbenaceae)
Youran Fan, Kendal Rupert, Alex C. Wiedenhoeft, Keith Woeste, Christian Lexer, Richard Meilan. 2013. Figured grain in aspen is heritable and not affected by graft-transmissible signals
Fiona Brock, Joanna Ostapkowicz, Christopher Bronk Ramsey, Alex C. Wiedenhoeft, Caroline Cartwright. 2012. Paired dating of pith and outer edge (terminus) samples from prehispanic Caribbean wooden sculptures
Joanna Ostapkowicz, Christopher Bronk-Ramsey, Fiona Brock, Tom Higham, Alex C. Wiedenhoeft, Erika Ribechini, Jeannette J. Lucejko, Samuel Wilson. 2012. Chronologies in wood and resin: AMS ¹⁴C dating of pre-Hispanic Caribbean Wood Sculpture
Alex C. Wiedenhoeft. 2012. Structure and Function of Wood
Samuel L. Zelinka, Michael J. Lambrecht, Samuel V. Glass, Alex C. Wiedenhoeft, Daniel J. Yelle. 2012. Examination of water phase transitions in Loblolly pine and cell wall components by differential scanning calorimetry
Alex C. Wiedenhoeft. 2011. Chapter 04: Bloodless wood specimen preparation for hand lens observation
Alex C. Wiedenhoeft. 2011. Chapter 05: Basic characters used in the identification of wood with a hand lens
Alex C. Wiedenhoeft. 2011. Chapter 06: Identification key
Alex C. Wiedenhoeft. 2011. Chapter 07: Species description pages
Alex C. Wiedenhoeft. 2011. Chapter 08: Comments on, and additional information for, wood identification
Alex C. Wiedenhoeft. 2011. Chapter 02: Basic wood biology—Anatomy for identification
Alex C. Wiedenhoeft. 2011. Chapter 03: Correct use of a hand lens
Alex C. Wiedenhoeft. 2011. Chapter 01: Wood identification and pattern recognition
Alex C. Wiedenhoeft. 2011. Identification of Central American Woods/de las Especies Maderables de Centroamerica
Joanna Ostapkowicz, Alex C. Wiedenhoeft, Christopher Bronk Ramsey, Erika Ribechini, Samuel Wilson, Fiona Brock, Tom Higham. 2011. Treasures ... of black wood, brilliantly polished : five examples of Taino sculpture from the tenth-sixteenth century Caribbean.
John C. Hermanson, Alex C. Wiedenhoeft. 2011. A brief review of machine vision in the context of automated wood identification systems
Robert A. A. Haack, Toby R. Petrice, Alex C. Wiedenhoeft. 2010. Incidence of bark- and wood-boring insects in firewood: a survey at Michigan's Mackinac Bridge
Robert J. Moon, Joseph Wells, David E. Kretschmann, James W. Evans, Alex C. Wiedenhoeft, Charles R. Frihart. 2010. Influence of chemical treatments on moisture-induced dimensional change and elastic modulus of earlywood and latewood
Alex C. Wiedenhoeft. 2010. Structure and function of wood
Edward Burke, Norm Slavik, Tony Bonura, Dennis Connelly, Tom Faris, Arnie Nebelsick, Brent Stuart, Sam Williams, Alex C. Wiedenhoeft. 2010. Understanding extractive bleed : wood extractives: distribution, properties, and classes
Ricarda Riina, Benjamin van Ee, Alex C. Wiedenhoeft, Alfonso Cardozo, Paul E. Berry. 2010. Sectional rearrangement of arborescent clades of Croton (Euphorbiaceae) in South America : evolution of arillate seeds and a new species, Croton domatifer
Edward Burke, Tony Bonura, Charles G. Carll, Dennis Connelly, Christopher G. Hunt, Doug Mall, Arnie Nebelsick, Norm Slavik, Brent Stuart, Alex C. Wiedenhoeft, R. Sam Williams. 2009. Improving the performance of painted wood siding : rain screen, end-grain seal, and back priming
Alex C. Wiedenhoeft. 2009. Biocentricity and economy of scale : hypothesis (and product) testing when wood is a part of an experimental system evaluating durability
Alex C. Wiedenhoeft, Ricarda Riina, Paul E. Berry. 2009. "Ray-intrusive" laticifers in species of Croton section Cyclostigma (Euphorbiaceae)
Charles R. Frihart, Daniel J. Yelle, Alex C. Wiedenhoeft. 2008. What does moisture-related durability of wood bonds mean?
Alex C. Wiedenhoeft. 2007. The central role of wood biology in understanding the durability of wood-coating interactions
Charles G. Carll, Alex C. Wiedenhoeft. 2007. Mechanical property loss and the occurrence of wood decay during experimental outdoor aging of wood based panels
Paul R. Sheppard, Alex C. Wiedenhoeft. 2007. An advancement in removing extraneous color from wood for low-magnification reflected-light image analysis of conifer tree rings
Steven W. Leavitt, Irina P. Panyushkina, Todd Lange, Alex C. Wiedenhoeft, Li Cheng, R. Douglas Hunter, John Hughes, Frank Pranschke, Allan F. Schneider, Joseph Moran, Ron Stieglitz. 2006. Climate in the Great Lakes Region between 14,000 and 4000 years ago from isotopic composition of conifer wood
R. Douglas Hunter, Irina P. Panyushkina, Steven W. Leavitt, Alex C. Wiedenhoeft, John Zawiskie. 2006. A multiproxy environmental investigation of Holocene wood from a submerged conifer forest in Lake Huron, USA
Alex C. Wiedenhoeft. 2006. Wood evidence : proper collection, documentation, and storage of wood evidence from a crime scene
Paul E. Berry, Ines Cordeiro, Alex C. Wiedenhoeft, Maria Amelia Vitorino-Cruz, Leticia Ribes de Lima. 2005. Brasiliocroton : a new crotonoid genus of Euphorbiaceae s.s. from eastern Brazil
Joy K. Ward, John M. Harris, Thure E. Cerling, Alex C. Wiedenhoeft, Michael J. Lott, Maria-Denise Dearing, Joan B. Coltrain, James R. Ehleringer. 2005. Carbon starvation in glacial trees recovered from the La Brea tar pits, southern California
Alex C. Wiedenhoeft, Regis B. Miller. 2005. Structure and function of wood
Paul E. Berry, Alex C. Wiedenhoeft. 2004. Micrandra inundata (Euphorbiaceae), a new species with unusual wood anatomy from black-water river banks in southern Venezuela
Irina P. Panyushkina, Steven W. Leavitt, Alex C. Wiedenhoeft, Sarah Noggle, Brandon Curry, Eric Grimm. 2004. Tree-ring records of near-Younger Dryas time in central North America : preliminary results from the Lincoln Quarry site, central Illinois, USA
Alex C. Wiedenhoeft, Regis B. Miller, Terra J. Theim. 2003. Analysis of three microscopic characters for separating the wood of Pinus contorta and P. ponderosa
Regis B. Miller, Alex C. Wiedenhoeft, R. Sam Williams, Willy Stockman, Frederick Green. 2003. Characteristics of ten tropical hardwoods from certified forests in Bolivia. Part II, Natural durability to decay fungi
Chris Hunt, Alex C. Wiedenhoeft, Eric Horn, Carl J. Houtman. 2001. Evaluation of physical changes in wood during colonization by Ceriporiopsis submervispora

University of Wisconsin at Madison, B.S., Department of Botany, 1997
University of Wisconsin at Madison, M.S., Department of Botany, 2001
University of Wisconsin at Madison, Ph.D., Department of Botany, 2008

Last updated March 10, 2026

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