| Fungal endophytes: a continuum of interactions with host plants K Saikkonen, SH Faeth, M Helander, TJ Sullivan Annual review of Ecology and Systematics 29 (1), 319-343, 1998 | 1423 | 1998 |
| Evolution of endophyte–plant symbioses K Saikkonen, P Wäli, M Helander, SH Faeth Trends in plant science 9 (6), 275-280, 2004 | 819 | 2004 |
| Model systems in ecology: dissecting the endophyte–grass literature K Saikkonen, P Lehtonen, M Helander, J Koricheva, SH Faeth Trends in Plant Science 11 (9), 428-433, 2006 | 357 | 2006 |
| Endophytic mediation of reactive oxygen species and antioxidant activity in plants: a review CE Hamilton, PE Gundel, M Helander, K Saikkonen Fungal Diversity 54, 1-10, 2012 | 340 | 2012 |
| Defensive mutualism between plants and endophytic fungi? K Saikkonen, S Saari, M Helander Fungal Diversity 41, 101-113, 2010 | 292 | 2010 |
| Glyphosate in northern ecosystems M Helander, I Saloniemi, K Saikkonen Trends in plant science 17 (10), 569-574, 2012 | 278 | 2012 |
| Chemical ecology mediated by fungal endophytes in grasses K Saikkonen, PE Gundel, M Helander Journal of chemical ecology 39, 962-968, 2013 | 228 | 2013 |
| Vertically transmitted fungal endophytes: different responses of host‐parasite systems to environmental conditions JU Ahlholm, M Helander, S Lehtimäki, P Wäli, K Saikkonen Oikos 99 (1), 173-183, 2002 | 192 | 2002 |
| Genetic and environmental factors affecting the allergenicity of birch (Betula pubescens ssp. czerepanovii [Orl.] Hämet‐Ahti) pollen Ahlholm, Helander, Savolainen Clinical & Experimental Allergy 28 (11), 1384-1388, 1998 | 183 | 1998 |
| Climate change-driven species' range shifts filtered by photoperiodism K Saikkonen, K Taulavuori, T Hyvönen, PE Gundel, CE Hamilton, ... Nature Climate Change 2 (4), 239-242, 2012 | 178 | 2012 |
| Asexual Neotyphodium endophytes in a native grass reduce competitive abilities SH Faeth, ML Helander, KT Saikkonen Ecology Letters 7 (4), 304-313, 2004 | 165 | 2004 |
| Endophytic Epichloë species and their grass hosts: from evolution to applications K Saikkonen, CA Young, M Helander, CL Schardl Plant Molecular Biology 90, 665-675, 2016 | 164 | 2016 |
| Glyphosate decreases mycorrhizal colonization and affects plant-soil feedback M Helander, I Saloniemi, M Omacini, M Druille, JP Salminen, K Saikkonen Science of the Total Environment 642, 285-291, 2018 | 147 | 2018 |
| Endophytic fungi in wild and cultivated grasses in Finland K Saikkonen, J Ahlholm, M Helander, S Lehtimäki, O Niemeläinen Ecography 23 (3), 360-366, 2000 | 142 | 2000 |
| Endophyte-grass-herbivore interactions: the case of Neotyphodium endophytes in Arizona fescue populations K Saikkonen, M Helander, SH Faeth, F Schulthess, D Wilson Oecologia 121, 411-420, 1999 | 142 | 1999 |
| Epichloë grass endophytes in sustainable agriculture M Kauppinen, K Saikkonen, M Helander, AM Pirttilä, PR Wäli Nature Plants 2 (2), 1-7, 2016 | 132 | 2016 |
| Environmental conditions and host genotype direct genetic diversity of Venturia ditricha, a fungal endophyte of birch trees JU Ahlholm, M Helander, J Henriksson, M Metzler, K Saikkonen Evolution 56 (8), 1566-1573, 2002 | 129 | 2002 |
| Defoliation and mycorrhizal symbiosis: a functional balance between carbon sources and below‐ground sinks K Saikkonen, U Ahonen‐Jonnarth, AM Markkola, M Helander, J Tuomi, ... Ecology Letters 2 (1), 19-26, 1999 | 117 | 1999 |
| Classification of the glyphosate target enzyme (5-enolpyruvylshikimate-3-phosphate synthase) for assessing sensitivity of organisms to the herbicide L Leino, T Tall, M Helander, I Saloniemi, K Saikkonen, S Ruuskanen, ... Journal of Hazardous Materials 408, 124556, 2021 | 113 | 2021 |
| Symbiotically modified organisms: nontoxic fungal endophytes in grasses PE Gundel, LI Pérez, M Helander, K Saikkonen Trends in Plant Science 18 (8), 420-427, 2013 | 113 | 2013 |
