2020, Vol. 105, N 10

CONTENTS

Communications

O. G. Shevchenko, M. A. Shulgina. Genera Thalassiosira and Shionodiscus (Bacillariophyta) from the Sea of Japan

A. F. Luknitskaya. Conjugates (Charophyta, Zygnematophyceae) in the vicinities of the Progress and Bellingshausen stations (Antarctica)

M. A. Makarova. Aspen (Populus tremula) forests of the North-Western Ladoga region

M. Yu. Pukinskaya. Picea abies growth at initial stages of formation of nemoral spruce forests (Piceeta composita) in the Central Forest Nature Reserve

Systematic reviews and new taxa

A. K. Sytin, I. N. Pospelov, E. B. Pospelova. Astragalus gulemiensis (sect. Komaroviella, Fabaceae), a new species from Putorana Plateau

Floristic Records

A. V. Skriptsova. New records of marine algae for Middle Kuril Islands

P. G. Efimov, S. A. Litvinskaya, S. A. Sheremetova, E. S. Pushai, M. N. Kozhin. New data on distribution of Orchidaceae species in several regions of Russia (2)

Collections

N. Yu. Stepanova, S. A. Poluektov, I. A. Schanzer. Type specimens of names of taxa described by A.K. Skvortsov kept in Herbarium of the Main Botanical Garden RAS (MHA)

Jubilees and memorial dates

S. A. Balandin, N. G. Ulanova. To the 90th anniversary of Vadim Nikolaevich Pavlov

Obituaries

M. Yu. Tikhodeeva, D. M. Mirin. Geobotanist, scientist, teacher: in memory of Vladislav Ivanovich Vasilevich (1935–2020)