| Red List of Bulgarian vascular plants∗ A Petrova, V Vladimirov | 161 | 2008 |
| Harnessing the biodiversity value of Central and Eastern European farmland LME Sutcliffe, P Batáry, U Kormann, A Báldi, LV Dicks, I Herzon, D Kleijn, ... Diversity and Distributions 21 (6), 722-730, 2015 | 128 | 2015 |
| European Vegetation Archive (EVA): an integrated database of European vegetation plots M Chytrý, SM Hennekens, B Jiménez‐Alfaro, I Knollová, J Dengler, ... Applied vegetation science 19 (1), 173-180, 2016 | 115 | 2016 |
| Influence of warming on timberline rising: a case study on Pinus peuce Griseb. in Bulgaria. T Meshinev, I Apostolova, E Koleva Phytocoenologia 30 (3/4), 431-438, 2000 | 96 | 2000 |
| Effect of land abandonment on the vegetation of upland semi-natural grasslands in the Western Balkan Mts., Bulgaria K Vassilev, H Pedashenko, SC Nikolov, I Apostolova, J Dengler Plant Biosystems-An International Journal Dealing with all Aspects of Plant …, 2011 | 95 | 2011 |
| Diversity of wetland vegetation in the Bulgarian high mountains, main gradients and context-dependence of the pH role P Hájková, M Hájek, I Apostolova Plant Ecology 184 (1), 111-130, 2006 | 92 | 2006 |
| Cultural monuments and nature conservation: a review of the role of kurgans in the conservation and restoration of steppe vegetation B Deák, B Tóthmérész, O Valkó, B Sudnik-Wójcikowska, II Moysiyenko, ... Biodiversity and Conservation 25 (12), 2473-2490, 2016 | 65 | 2016 |
| Shifts in the ecological behaviour of plant species between two distant regions: evidence from the base richness gradient in mires P Hájková, M Hájek, I Apostolova, D Zelený, D Dítě Journal of Biogeography 35 (2), 282-294, 2008 | 61 | 2008 |
| Vegetation diversity of salt‐rich grasslands in S outheast E urope P Eliáš Jr, D Sopotlieva, D Dítě, P Hájková, I Apostolova, D Senko, ... Applied Vegetation Science 16 (3), 521-537, 2013 | 52 | 2013 |
| Testing the species pool hypothesis for mire vegetation: exploring the influence of pH specialists and habitat history M Hájek, L Tichý, BS Schamp, D Zelený, J Roleček, P Hájková, ... Oikos 116 (8), 1311-1322, 2007 | 44 | 2007 |
| Dry grasslands of NW Bulgarian mountains: first insights into diversity, ecology and syntaxonomy H Pedashenko, I Apostolova, S Boch, A Ganeva, M Janišová, ... Tuexenia 33, 309-346, 2013 | 29 | 2013 |
| New plant associations from Bulgarian mires M Hájek, P Hájková, I Apostolova Phytol Balcan 14 (3), 377-399, 2008 | 29 | 2008 |
| Grasslands of Bulgaria T Meshinev, I Apostolova, V Georgiev, V Dimitrov, A Petrova, P Veen Final report on the National Grasslands Inventory Project–Bulgaria 2004, 2001 | 28 | 2001 |
| The Balkan wet grassland vegetation: a prerequisite to better understanding of European habitat diversity M Hájek, P Hájková, D Sopotlieva, I Apostolova, N Velev Plant Ecology 195 (2), 197-213, 2008 | 25 | 2008 |
| Dry grasslands of Southern Europe: syntaxonomy, management and conservation I Apostolova, J Dengler, R Di Pietro, RG Gavilán, I Tsiripidis Hacquetia 13 (1), 1-14, 2014 | 23 | 2014 |
| Scale-dependent plant diversity in Palaearctic grasslands: a comparative overview J Dengler, I Biurrun, I Apostolova, E Baumann, T Becker, A Berastegi, ... Bulletin of the Eurasian Dry Grassland Group 31, 12-26, 2016 | 22 | 2016 |
| Disjunct occurrences of plant species in the refugial mires of Bulgaria M Hájek, P Hájková, I Apostolova, M Horsák, V Plášek, B Shaw, ... Folia Geobotanica 44 (4), 365-386, 2009 | 19 | 2009 |
| How plot shape and spatial arrangement affect plant species richness counts: implications for sampling design and rarefaction analyses B Güler, A Jentsch, I Apostolova, S Bartha, JMG Bloor, G Campetella, ... Journal of vegetation science 27 (4), 692-703, 2016 | 18 | 2016 |
| Classification of semi-natural grasslands in north-eastern Bulgaria IVA ApOSTOLovA, T MESHINEV Annali di Botanica 6, 29-52, 2006 | 16 | 2006 |
| Notes on the Bulgarian wetland flora, including new national and regional records M Hájek, P Hájková, I Apostolova Phytol. Balcan 11 (2), 173-184, 2005 | 16 | 2005 |
