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