Volume 52, 2021

Editorial

Materials for the «Flora of Russia»: new heading in the «Novitates systematicae plantarum vascularium»

A synopsis of Phragmites (Poaceae) for Belarus
V. N. Tikhomirov

Festuca catalanae (Poaceae), a new species from the East Siberia
I. V. Enushchenko, N. S. Probatova

Aspidistra nitens (Asparagaceae, Convallariaceae s. str.), a new species from central Laos
L. V. Averyanov, Khang Sinh Nguyen, Hans-Juergen Tillich, L. I. Krupkina, T. V. Maisak, I. V. Sokolova

Salix ledebouriana forma fastigiata (Salicaceae), a new form
I. V. Belyaeva, V. V. Byalt, O. V. Epanchintseva, G. A. Firsov, N. K. Kovtonyuk, L. A. Semkina

Notes on the samphires (Salicornioideae, Chenopodiaceae–Amaranthaceae) in Madagascar and Europa Island, with further conclusions on their chorology in Africa
Alexander P. Sukhorukov, Maria A. Kushunina, Vitaly Yu. Alyonkin, Jean Hivert, Vincent Boullet

Validation and lectotypification of the names of the taxa of Ranunculaceae described by V. V. Reverdatto and A. V. Polozhij
I. I. Gureyeva

New species of Corydalis (Fumariaceae) from Xinjiang (China)
M. A. Mikhailova

Type specimens of Potentilla (Rosaceae) stored in the Herbarium of the Komarov Botanical Institute (LE). Part 1. Taxa described from the Caucasus
I. V. Tatanov, V. V. Shvanova, V. I. Dorofeyev, A. I. Shmakov, A. A. Kechaykin

Seven new species of Alchemilla series Alchemilla (Rosaceae) from the Caucasus
A. V. Chkalov

Oxytropis × bardonovae (Fabaceae), a new nothospecies from the Republic of Buryatia
D. G. Chimitov

A new form of Geranium pseudosibiricum (Geraniaceae) from Central Altai
V. I. Troshkina, N. N. Lashchinskii

Lectotypification of the name Stachys aspera (Lamiaceae)
T. V. Krestovskaya, I. V. Sokolova

A new species of the genus Thymus (Lamiaceae) and a review of the series Callieriani in the North Caucasus
V. M. Vasjukov

Typification of species names of the genus Thymus (Lamiaceae) described from the North Caucasus and notes to the lectotypification of T. pallasianus and T. buschianus
V. M. Vasjukov, D. G. Melnikov

Floristic records

Epipactis leptochila (Orchidaceae), а new species for the central European part of Russia
N. M. Reshetnikova

A novelty for the flora of China: Siberian “endemic” Euphorbia karoi (Euphorbiaceae) occurs in the south part of Inner Mongolia
D. V. Geltman

Three new species to the flora of the Pskov Region. Additions to the «Synopsis of the flora of the Pskov Region» (2)
G. Yu. Konechnaya, P. G. Efimov

Nomenclatural notes

Nomenclatural notes on some Russian orchids
P. G. Efimov

Том 52, 2021 год