Volume 54, Part 2, 2020

Algae

Problems of species and the features of geographical distribution in colonial volvocine algae (Chlorophyta)
A. G. Desnitskiy

Alkaliphilic species Euastrum lacustre (Charophyta, Zygnematophyceae), first record from Russia
O. V. Anissimova

New records of stoneworts (Characeae) in Belarus
V. S. Vishnyakov, K. L. Savitskaya, S. E. Latyshev

Diatoms of the genus Navicula from waterbodies of the Voronezh Region, Russia
D. A. Chudaev, I. Jüttner

Morphology and taxonomy of Aulacoseira muzzanensis (Bacillariophyta)
S. I. Genkal, I. S. Trifonova

New and noteworthy species of Chrysophyta for the Russian flora
T. V. Safronova, S. N. Shadrina

Fungi

First record and new host of Uromyces helichrysi (Pucciniales) from Uzbekistan
I. M. Mustafaev, A. N. Khujanov

New records of aphyllophoroid fungi (Basidiomycota) for the Khanty-Mansi Autonomous Area — Yugra (West Siberia)
I. V. Stavishenko

A new species of Physarum (Myxomycetes) from Christmas Island (Australia)
S. L. Stephenson, Yu. K. Novozhilov, I. S. Prikhodko

Lichens

Halecania ahtii (Leprocaulaceae), a new lichen species from the Russian Far East
I. S. Zhdanov

Lichens of high mountainous beech forests of the Republic of Dagestan
A. B. Ismailov

On the Micarea prasina group (Pilocarpaceae) in the Kaliningrad Region
L. A. Konoreva, S. V. Chesnokov, K. S. Korolev, D. E. Himelbrant

Contribution to the lichen biota of the Bryansk Region (Russia)
E. E. Muchnik

The lichens of Maly Island (Peninsaari) in the Gulf of Finland (Leningrad Region)
I. S. Stepanchikova, A. A. Rodionova, D. E. Himelbrant, J. Motiejūnaitė

To the study of the lichen genus Usnea (Parmeliaceae) in Kunashir Island (Sakhalin Region, Russia)
L. V. Gagarina, A. K. Ezhkin

Bryophytes

Mosses of the Important Plant Area in Vaikis Lake Valley environs (Monche-Tundra Ridge, Murmansk Region)
О. А. Belkina, R. P. Obabko, E. A. Borovichev, A. Yu. Likhachev

Mosses and lichens of Shokalsky Island (Kara Sea, Yamal-Nenets Autonomous Area)
L. N. Beldiman, I. N. Urbanavichene, V. E. Fedosov, E. Yu. Kuzmina

Three new cleistocarpous species of the genera Tortula and Microbryum (Pottiaceae, Bryophyta)
T. N. Otnyukova

New cryptogamic records. 6
I. V. Czernyadjeva, T. Ahti, O. N. Boldina, S. V. Chesnokov, E. A. Davydov, G. Ya. Doroshina, V. E. Fedosov, Kh. М. Khetagurov, L. A. Konoreva, V. M. Kotkova, E. Yu. Kuzmina, M. V. Lavrentiev, N. S. Liksakova, I. А. Nikolayev, N. N. Popova, T. V. Safronova, S. N. Shadrina, L. S. Yakovchenko

Nomenclatural novelties

Том 54, часть 2, 2020 год