Volume 54: 1. 2020. 288 p. gr8vo. Hardcover.

Algae:
New records of Vaucheria (Ochrophyta, Xanthophyceae) in Russia
V. S. Vishnyakov, R. E. Romanov, E. V. Chemeris, L. M. Kipriyanova, A. M. Chernova, A. S. Komarova, D. A. Philippov

Freshwater achnanthoid diatoms (Bacillariophyta) of the southern part of the Murmansk Region
N. D. Tseplik, D. A. Chudaev

Fungi:
A new for Russia species of Lepiota (Agaricaceae, Basidiomycota) from the Republic of Altai
I. A. Gorbunova

New data on aphyllophoroid fungi (Basidiomycota) of the State Nature Reserve “Kurgalsky” (Leningrad Region)
V. M. Kotkova

Lichens: The first records on lichens of Khizi Region (Republic of Azerbaijan)
S. Alverdiyeva

Lichens of the former manors in the Smolensk Region of Russia
L. V. Gagarina, S. V. Chesnokov, L. A. Konoreva, I. S. Stepanchikova, A. P. Yatsyna, O. A. Kataeva, A. A. Notov, M. P. Zhurbenko

Contributions to the lichen flora of the Novaya Zemlya Archipelago (Archangelsk Region, Russian Arctic)
I. S. Zhdanov

Contributions to the lichen flora of the Kologriv Forest Nature Reserve (Kostroma Region)
I. N. Urbanavichene, G. P. Urbanavichus

Revision of crustose Teloschistaceae (lichenized Ascomycota) from the Russian Far East based on herbarium materials of the Komarov Botanical Institute
I. V. Frolov, L. V. Gagarina

Materials to the lichen flora of the Bauntovsky District, Republic of Buryatia
T. M. Kharpukhaeva, A. V. Lishtva

Bryophytes: Contribution to the moss flora of Khakasskiy Reserve, cluster “Malyi Abakan” (Republic of Khakassia, South Siberia)
Yu. ?. Kalinina (Sergeeva), ?. Yu. Lavrskiy

Bryophytes (Bryophyta, Marchantiophyta) of thermal habitats of the Lagoon Tintikun, Northern Koryakia, Kamchatka Territory
E. Yu. Kuzmina, A. D. Potemkin, V. Yu. Neshataeva

The mosses of the Khulga River Basin (Subpolar Ural, Khanty-Mansi Autonomous Area — Yugra)
E. D. Lapshina, E. A. Ignatova, M. S. Ignatov, G. N. Ganasevich, Yu. V. Skuchas

On Frullania usamiensis (Frullaniaceae, Marchantiophyta) and its first record for Russia
Yu. S. Mamontov, T. I. Koroteeva, E. V. Sofronova, A. D. Potemkin

New cleistocarpous species of the genus Pterygoneurum (Pottiaceae, Bryophyta) from the steppe slopes of Siberia (Russia)
T. N. Otnyukova

New cryptogamic records. 5
I. V. Czernyadjeva, O. M. Afonina, E. A. Davydov, G. Ya. Doroshina, O. D. Dugarova, A. S. Etylina, I. V. Filippov, G. L. Freydin, O. V. Galanina, D. E. Himelbrant, M. S. Ignatov, E. A. Ignatova, V. M. Kotkova, G. M. Kukurichkin, N. S. Kuragina, E. Yu. Kuzmina, E. D. Lapshina, M. V. Lavrentiev, Ju. A. Makuha, E. L. Moroz, A. A. Notov, Yu. K. Novozhilov, S. Yu. Popov, N. N. Popova, A. D. Potemkin, I. S. Stepanchikova, Yu. V. Storozhenko, D. Ya. Tubanova, V. A. Vlasenko, L. S. Yakovchenko, ?. V. Zyatnina

Nomenclatural novelties & Designated lectotypes