| A miniature world in decline: European Red List of Mosses, Liverworts and Hornworts N Hodgetts, M Cálix, E Englefield, N Fettes, MG Criado, L Patin, A Nieto, ... International Union for Conservation of Nature, 2023 | 156 | 2023 |
| Conservation of Northern European plant diversity: the correspondence with soil pH M Pärtel, A Helm, N Ingerpuu, Ü Reier, EL Tuvi Biological conservation 120 (4), 525-531, 2004 | 104 | 2004 |
| Floristical and ecological properties for identifying of primeval forests in Estonia H Trass, K Vellak, N Ingerpuu Annales Botanici Fennici, 67-80, 1999 | 89 | 1999 |
| GrassPlot–a database of multi-scale plant diversity in Palaearctic grasslands J Dengler, V Wagner, I Dembicz, I García-Mijangos, A Naqinezhad, ... Borntraeger Science Publishers, 2018 | 83 | 2018 |
| Eesti sammalde määraja N Ingerpuu, K Vellak Eesti Loodusfoto, Tartu 239, 1998 | 79 | 1998 |
| Bryophyte and vascular plant species richness in boreo-nemoral moist forests and mires N Ingerpuu, K Vellak, T Kukk, M Pärtel Biodiversity & Conservation 10, 2153-2166, 2001 | 70 | 2001 |
| Vascular plants facilitated bryophytes in a grassland experiment N Ingerpuu, J Liira, M Pärtel Plant Ecology 180, 69-75, 2005 | 65 | 2005 |
| Relationships between species richness patterns in deciduous forests at the north Estonian limestone escarpment N Ingerpuu, K Vellak, J Liira, M Pärtel Journal of Vegetation Science 14 (5), 773-780, 2003 | 58 | 2003 |
| Benchmarking plant diversity of Palaearctic grasslands and other open habitats I Biurrun, R Pielech, I Dembicz, F Gillet, Ł Kozub, C Marcenò, T Reitalu, ... Journal of Vegetation Science 32 (4), e13050, 2021 | 56 | 2021 |
| Bryophyte vegetation in a wooded meadow: relationships with phanerogam diversity and responses to fertilisation N Ingerpuu, K Kull, K Vellak Plant Ecology 134, 163-171, 1998 | 56 | 1998 |
| Annotated checklist of Estonian bryophytes K Vellak, N Ingerpuu, M Leis, L Ehrlich Folia cryptogamica estonica 52, 109-127, 2015 | 53 | 2015 |
| Management effects on bryophytes in Estonian forests K Vellak, N Ingerpuu Biodiversity & Conservation 14, 3255-3263, 2005 | 52 | 2005 |
| Bryophyte diversity and vascular plants N Ingerpuu Tartu University Press, 2002 | 52 | 2002 |
| List of the Estonian bryopyhtes N Ingerpuu Academy of Sciences of Estonia-Estonian Naturalists' Society, 1994 | 41 | 1994 |
| Working group on dry grasslands in the Nordic and Baltic region–Outline of the project and first results for the class Festuco-Brometea J Dengler, S Rūsiņa, S Boch, HH Bruun, M Diekmann, K Dierßen, ... Annali di Botanica, nuova serie 6, 1-28, 2006 | 35 | 2006 |
| New Estonian records and amendments. Liverworts and mosses. Pezizales (Ascomycetes) K Vellak, N Ingerpuu, L Kannukene, M Leis, B Kullman Folia Cryptogamica Estonica 45, 91-93, 2009 | 32 | 2009 |
| Global gradients in moss and vascular plant diversity T Möls, K Vellak, A Vellak, N Ingerpuu Biodiversity and Conservation 22, 1537-1551, 2013 | 28 | 2013 |
| Vascular plant and bryophytes species representation in the protected areas network on the national scale K Vellak, N Ingerpuu, A Vellak, M Pärtel Biodiversity and conservation 19, 1353-1364, 2010 | 25 | 2010 |
| Eesti sammalde nimestik N Ingerpuu | 25 | 1994 |
| Growth of Neckera pennata, an epiphytic moss of old-growth forests N Ingerpuu, K Vellak, T Möls The Bryologist 110 (2), 309-318, 2007 | 24 | 2007 |
