Volume 57, Part 2, 2023

Dedication

Alexander Alexandrovich Elenkin (1873–1942)

Alexander Elenkin — the founder of cryptogamic botany in Russia
M. P. Andreev, А. D. Potemkin

Alexander Alexandrovich Elenkin as a key person in Russian botany at the beginning of XX century
D. A. Davydov

The heritage and bibliography of A. A. Elenkin
A. D. Potemkin, T. V. Itsyk, E. K. Makeeva

Algae

Two new species of the genus Amphorotia (Bacillariophyta) from Lake Baikal (Eastern Siberia, Russia)
A. M. Glushchenko, M. S. Kulikovskiy

Stigonema lichenoides sp. nov. (Nostocales, Сyanobacteria): a new species isolated from the lichen Ephebe lanata
E. N. Patova, D. M. Shadrin, S. S. Shalygin, I. V. Novakovskaya

Study of the species composition of phytoplankton from the Lake Nero (Yaroslavl Region, Russia) using SEM. I
D. A. Kapustin, E. M. Kezlya, M. S. Kulikovskiy

First data on the biodiversity of cyanobacteria in algal-bacterial communities in the littoral of lakes of the Stornes Peninsula (Larsemann Hills oasis, East Antarctica)
S. V. Smirnova, N. V. Velichko

Fungi

New data on aphyllophoroid fungi (Basidiomycota) of the Ussuriysky Nature Reserve (Primorye Territory, Russia)
N. V. Bukharova, N. V. Psurtseva, N. A. Kochunova

Hidden biodiversity in herbarium collections: experience of searching for lichenicolous fungi in lichen herbaria
M. P. Zhurbenko

Aphyllophoroid fungi (Basidiomycota) of the State Nature Reserve «Zapadnyy Kotlin» (St. Petersburg, Russia)
V. M. Kotkova

First report of powdery mildew on Platanus orientalis caused by Erysiphe platani in Uzbekistan
I. Z. Ortiqov, I. M. Mustafaev, J. P. Sherkulova

Lichens

Ramalina intestiniformis (Ramalinaceae, lichenized Ascomycota) new to Russia
E. A. Davydov, L. S. Yakovchenko

Addition to the lichen biota of Prins Karls Forland (Svalbard Archipelago)
L. A. Konoreva, S. V. Chesnokov

Epiphytic lichens on Fagus orientalis in foothill Dagestan
A. B. Ismailov

Further knowledge on the lichen biota of Koryakia (Northern Kamchatka, Russia)
D. E. Himelbrant, I. S. Stepanchikova, V. Yu. Neshataeva, V. E. Kirichenko, K. I. Skvortsov, E. A. Timofeeva

New records of lichenized and lichenicolous fungi from the Franz Josef Land (Russian Arctic)
S. V. Chesnokov, L. A. Konoreva

The genus Rinodina (Physciaceae, lichenized Ascomycota) in the Republic of Sakha (Yakutia) with a key to the species
I. A. Galanina, S. V. Chesnokov, L. A. Konoreva, L. N. Poryadina, E. A. Davydov, A. G. Paukov

Bryophytes

Gyrothyraceae (Marchantiophyta) — a new family for the Russian liverwort flora
V. A. Bakalin, K. G. Klimova

Liverworts (Marchantiophyta) of the Bolshoy Patok River Basin (Yugyd Va National Park, Komi Republic)
M. V. Dulin

Contribution to the flora of mosses and liverworts of Yuzhny, Vaygach and Matveev islands (Barents Sea, European Russian Arctic)
I. V. Czernyadjeva, A. D. Potemkin, A. A. Vilnet

Cryptogamic nomenclatural notes. 7
I. V. Sokolova (ed.), S. N. Shadrina, R. M. Gogorev, V. A. Stepanova

New cryptogamic records. 12
V. M. Kotkova, O. M. Afonina, V. I. Androsova, E. A. Belyakov, A. N. Bersanova, O. V. Biryukova, E. A. Butunina, S. V. Chesnokov, D. A. Davydov, E. A. Davydov, G. Ya. Doroshina, O. D. Dugarova, N. V. Filippova, I. V. Frolov, V. A. Glazunov, I. A. Gorbunova, D. E. Himelbrant, E. A. Ignatova, V. A. Iliushin, I. Yu. Kirtsideli, L. A. Konoreva, O. I. Kuznetsova, T. V. Makryi, A. V. Melekhin, Ch. B. Mongush, S. A. Nikolaenko, N. S. Nikolaev, A. A. Notov, N. N. Popova, O. A. Rodina, R. E. Romanov, E. A. Rudykina, P. Yu. Ryzhkova, E. M. Ryzhova, Ch. N. Sambyla, A. A. Shestakova, A. V. Sonina, I. S. Stepanchikova, V. A. Stepanova, Yu. V. Storozhenko, V. N. Tarasova, A. G. Tsurykau, D. Ya. Tubanova, E. V. Tugi, A. A. Vilnet, V. S. Vishnyakov, A. V. Vlasenko, V. A. Vlasenko, L. S. Yakovchenko, I. S. Zhdanov, K. A. Zhuykov, E. G. Zibzeev, E. A. Zvyagina

Nomenclatural novelties

 Том 57, часть 2, 2023 год