Distribution of Sosnowsky’s Hogweed (Heracleum sosnowskyi Manden.) at the Southern Border of Its Secondary Range in European Russia L. A. ArepievaE. I. ArepievS. G. Kazakov OriginalPaper 29 September 2021 Pages: 233 - 243
The Materials to the “Black Book” of the Flora of the Crimean Peninsula N. A. BagrikovaM. V. Skurlatova OriginalPaper 29 September 2021 Pages: 244 - 257
Finding of the Bark Beetle Polygraphus proximus Blandford, 1894 (Coleoptera, Curculionidae: Scolytinae) in Udmurtia S. V. DedyukhinV. V. Titova OriginalPaper 29 September 2021 Pages: 258 - 263
Lake Maslozero Ecosystem and the Results of the Release of the Smelt Osmerus eperlanus into the Lake N. V. IlmastO. P. SterligovaD. S. Savosin OriginalPaper 29 September 2021 Pages: 264 - 273
First Finding of Western Conifer Seed Bug Leptoglossus occidentalis Heid. (Heteroptera, Coreidae) in Armenia M. Yu. KalashianT. L. GhrejyanG. H. Karagyan OriginalPaper 29 September 2021 Pages: 274 - 276
Wolffia arrhiza (L.) Horkel ex Wimm. Record in Novosibirsk Region (Western Siberia)—The First in Asian Russia L. M. KipriyanovaN. V. PriidakO. E. Kosterin OriginalPaper 29 September 2021 Pages: 277 - 282
First Findings of Dreissena polymorpha (Pallas, 1771) in the Iriklinsky Reservoir V. V. KolozinE. I. FilinovaD. I. Meleshin OriginalPaper 29 September 2021 Pages: 283 - 288
Dynamics of the Distribution of Molipteryx fuliginosa (Uhler) (Heteroptera, Coreidae) in the Russian Far East T. O. MarkovaE. V. KanyukovaM. V. Maslov OriginalPaper 29 September 2021 Pages: 289 - 298
New Findings of Steppe Species of Crickets Oecanthus pellucens (Scopoli, 1763) and Modicogryllus frontalis (Fieber, 1844) (Orthoptera, Ensifera, Gryllidae) in Belarus A. M. Ostrovsky OriginalPaper 29 September 2021 Pages: 299 - 301
Spread Rate of Alien Amphipods and Mysids in the Main Rivers of Belarus V. P. SemenchenkoT. P. LipinskayaA. I. Makarenko OriginalPaper 29 September 2021 Pages: 302 - 308
Polydora websteri—A Commensal of Anadara kagoshimensis in the Azov-Black Sea Region V. L. SyominG. A. KolyuchkinaU. V. Simakova OriginalPaper 29 September 2021 Pages: 309 - 316
Alien Species in Communities of Class Festuco-Puccinellietea Soό ex Vicherek 1973 in Southeastern Europe N. A. Yuritsyna OriginalPaper 29 September 2021 Pages: 317 - 325
New Records of Liparis kumokiri Group (Orchidaceae) in Eurasia Suggest Its Recent Dispersal from East Asia P. EfimovE. MachsP. Chetverikov OriginalPaper 29 September 2021 Pages: 326 - 335