ROOT LAB
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Root Biology Lab at
The Morton Arboretum


Attend the
International Symposium on Woody Root Research
3-5 June 2026, Como, Italy

Registration and abstract submission are now open. Hotels will fill up so don't delay, register for the meeting and reserve your room today!

Check out this great video of Nicholas Medina discussing the importance of mycorrhizal fungi with Britannica.
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Recent Lab Publications

Tran N, M Lo, MG Midgley, R Dybzinski, EC Segal, CH Cannon, CS Kua, CR Rollinson, CM Iversen, ML McCormack. Acquisitive root exploration strategies help maintain higher peak sap flux rates during summer drought, but more root biomass does not. New Phytologist, in press (2026).

Longmeyer J, N Dahal, N Medina, J Vandermeer. Ground-nesting ants as engineers of microbial landscapes. Myrmecological News 36: 73-90 (2026).

Medina N, L Schmitt, I Perfecto, J Vandermeer. Crown-to-ground: Above- and below-ground links mediated by arboreal ants and host tree modify soil aggregation scaling, infiltration, and chemistry. Applied Soil Ecology 220 (2026).


Medina N, K Patrick, P Kennedy, ML McCormack. Fun(gal) phenology: Journeying through life histories and community niches. International Mycorrhiza Society 6: 18-21 (2025).

Hou J, ML McCormack, GT Freschet, PB Reich, H Lambers, F Long, T Sun. Phenological patterns and factors affecting the lifespan of fine roots in forests. Tree Physiology, (2025).

Han M, Y Chen, D Gan, M Yu, R Li, Y Han, J Gu, S Li, J Su, ML McCormack, B Zhu. The latitudinal pattern of fine root intraspecific trait variation among species in plant communities. Nature Communications, 16:9340 (2025).


Ma N, S Li, ML McCormack, G Freschet, P Ciais, H Wang, S Niu, P Reich, M Zhang, R Zhao, B Zhao, D Gao, A Gessler, Y Huang, J Gu, X Fu, X D, S Meng, J Zheng, F Yang, L Kou. Substantial forest soil carbon accrual from absorptive fine roots over decadal timescales. Nature Geoscience, (2025). 

Barry, K, J Hennecke, A Weigelt, J Bergmann, H Bruelheide, G Freschet, C Iversen, T Kuyper, D Laughlin, ML McCormack, C Roumet, F van der Plas, J van Ruijven, R Wijsmuller, H Auge, N Eisenhauer, J Alexander, C Nock, Y Oelmann, W Wilcke, L Mommer. Rooting for function: Community-level fine-root traits relate to many ecosystem functions. New Phytologist, 248: 3221-3239 (2025).

 Zeng, W, ML McCormack, Y Lyu, Y Liu, H Gan, S Wang, L Kong, L Li, Z Ma. Delicate trade-offs: nonlinear multiple biotic constraints on absorptive fine root lifespan across trees. Ecology Letters, 29: e70210 (2025).


Kwatcho Kengdo S, ML McCormack, I Ostonen, MS Torn. Fine-root dynamics in deeper soils: a critical but overlooked component of ecosystem responses to climate warming. New Phytologist, (2025).

Kou L, N Ma, GT Freschet, ML McCormack, S Li. Iterative effects: a new paradigm for root dynamics. Trends in Plant Science, (2025).

Lu, M, S Wang, A Malhotra, SJ Tumber-Dávila, S Weintraub-Leff, ML McCormack, XT Wang, RB Jackson. A continental scale analysis reveals widespread root bimodality. Nature Communications, 16: 5281 (2025). 


Yang Y, ML McCormack, FL Li, W Bao, N Wu, H Hu, Y Wu, Z Wang, D Wei, T Yang, X Li. Variation in root hair traits in 75 xerophytic species: Constraints of phylogeny, trait trade-offs and environment. Functional Ecology (2025).

Wang S, LH Comas, PB Reich, ML McCormack, RP Phillips, J Gu, T Sun. Variation of root resource acquisition and conservation strategies in a temperate forest is linked with plant growth forms. Tree Physiology, tpaf027 (2025).


Wang D, GT Freschet, ML McCormack, H Lambers, J Gu. Nutrient resorption of leaves and roots coordinates with root nutrient‐acquisition strategies in a temperate forest. New Phytologist, 246: 515-527 (2025).

Campioli M, LJ Marchand, C Zahnd, P Zuccarini, ML McCormack, D Landuyt, E Lorer, N Delpierre, J Gričar, Y Vitasse. Environmental Sensitivity and Impact of Climate Change on leaf‑, wood‑ and root Phenology for the Overstory and Understory of Temperate Deciduous Forests. Current Forestry Reports, 11 (2025).

Patrick K, M Lo, CM Rigsby, CE Rosenfeld, ML McCormack. Fine-Root Responses of Two Maple and Two Magnolia Species to Waterlogging. Arboriculture and Urban Forestry, 51 (2025).


Patrick KR, N Medina, N Rodriguez, JD Stewart, A Cho, VB Chaudhary, T Kiers, MA Gonzalez-Meler, ML McCormack, C Deveautour. Beneath the Pavement: Understanding mycorrhizal fungi in urban ecosystems and the path forward . EcoEvoRxiv, (2025).
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