image for Janssen, Eric Daniel

Janssen, Eric Daniel

Assistant Research Scientist, Wetland Plant Ecology
1816 S. Oak Street
M/C 652
Champaign, IL  61820

Education

MS, Natural Resources and Environmental Science, University of Illinois Urbana-Champaign, 2022
BS, Natural Resources and Environmental Science, University of Illinois Urbana-Champaign, 2013

Research Interests

My research interests include surveying plant communities throughout Illinois and studying rare plant species, particularly germinating and propagating these species. 

Selected Publications

Trivellone, V., C.H .Dietrich, B. Panassiti, A. Pagels, E. Janssen, P. B. Marcum, S. Johnson, S.D. McIntyre, M.A. Feist, D.N. Zaya, T.J. Benson, and B. Molano-Flores. 2026. Vegetation mediates the effect of management and habitat on Auchenorrhyncha species richness, but not community quality, in restored grasslands. Journal for Nature Conservation 91: 15pp. https://doi.org/10.1016/j.jnc.2026.127231

Davis, O.N., B. Molano-Flores, Ya-Wei Li, M.L. Allen … E. Janssen .... 2024. Tracking species recovery status to improve U.S. endangered species act decisions. Conservation Science and Practice https://doi.org/10.1111/csp2.13159 

Janssen, E., S.A. Johnson, N. Glass, P. Dickerson, C.J. Whelan, and B. Molano Flores. 2024. Impacts of road salt on seed germination of Thuja occidentalis found in natural communities adjacent to the Illinois Tollway in northeastern IL USA. Botany e-First https://doi.org/10.1139/cjb-2023-0137

Janssen, E., J. Coons, N. Coutant, and B. Edgin. 2024. Impacts of greenhouse fertilization and planting season on survival and reproductive potential of Silene regia transplants. Restoration Ecology 32(5): 1-11. https://doi.org/10.1111/rec.14142 

Johnson, S., E. Janssen, N. Glass, P. Dickerson, C. Whelan, B. Molano-Flores. 2022. The role of environmental stressors on reproduction, seed morphology, and germination: A case-study of Northern White Cedar, Thuja occidentalis L. Botany 100(11): 839-847. https://doi.org/10.1139/cjb-2022-0007 

Janssen, E.D., D.N. Zaya, L.X. Yao, B. Molano-Flores. 2020. Assessment of seed germinability after prolonged seed storage for Synthyris bullii (Plantaginaceae), a rare endemic of the midwestern USA. The American Midland Naturalist 183(1): 116-129. https://doi.org/10.1637/19-029