| Issue Date | Title | Author(s) | Rank |
| 3-Jul-2016 | Factors affecting the distribution and abundance of orchids in grasslands and herbaceous wetlands | Đorđević, Vladan ; Tsiftsis, Spyros; Lakušić, Dmitar ; Jovanović, Slobodan ; Stevanović, Vladimir | M21 |
| 2025 | Factors Influencing Orchid Species Richness in the Central Balkans: The Importance of Belowground Organ Types | Đorđević, Vladan ; Lakušić, Dmitar ; Novković, Ivan; Stevanović, Vladimir; Tsiftsis, Spyros | M21 |
| 2024 | ×Gymnigritella suaveolens (Orchidaceae), a New Natural Hybrid to the Flora of Serbia | Đorđević, Vladan ; Krdžić, Svetlana; Tsiftsis, Spyros | M23 |
| 2021 | How to Protect Natural Habitats of Rare Terrestrial Orchids Effectively: A Comparative Case Study of Cypripedium calceolus in Different Geographical Regions of Europe | Jakubska-Busse, Anna; Tsiftsis, Spyros; Śliwiński, Michał; Křenová, Zdenka; Đorđević, Vladan ; Steiu, Corina; Kolanowska, Marta; Efimov, Petr; Hennigs, Sebastian; Lustyk, Pavel; Kreutz, Karel (C.A.J.) | M21 |
| 2020 | Modelling sexually deceptive orchid species distributions under future climates: the importance of plant-pollinator interactions | Tsiftsis, Spyros; Đorđević, Vladan | M21 |
| 1-Apr-2019 | Neottia cordata (Orchidaceae) at its southernmost distribution border in Europe: Threat status and effectiveness of Natura 2000 Network for its conservation | Tsiftsis, Spyros; Đorđević, Vladan ; Tsiripidis, Ioannis | M22 |
| 9-Aug-2022 | Orchid diversity along an altitudinal gradient in the central Balkans | Đorđević, Vladan ; Tsiftsis, Spyros; Kindlmann, Pavel; Stevanović, Vladimir | M21 |
| 23-Dec-2022 | The Orchids of Wetland Vegetation in the Central Balkans | Đorđević, Vladan ; Aćić, Svetlana; Kabaš, Eva ; Lazarević, Predrag ; Tsiftsis, Spyros; Lakušić, Dmitar | M22 |
| 2022 | The Role of Ecological Factors in Distribution and Abundance of Terrestrial Orchids | Đorđević, Vladan ; Tsiftsis, Spyros | M13 |
