Ignatov M.S.1, Ignatova E.A.2, Kurayeva E.N.3, Minayeva T.Yu.3, Potemkin A.D.4 1998. Bryophyte flora of Zentral’no-Lesnoi Biosphere Nature Reserve (European Russia, Tver Province) // Arctoa. Vol.7: 45–58 [in English].

1 Tsitsin Main Botanical Garden of Russian Academy of Sciences, Botanicheskaya 4, Moscow 127276 Russia

2 Biological Faculty, Moscow State University, Moscow 119234 Russia

3 Zentral'no-Lesnoj Nature Reserve, “Zapovednik”, Nelidovo Distr., Tver Province 172513 Russia

4 Komarov Botanical Institute of Russian Academy of Sciences, Prof. Popov str., 2, St. Petersburg, 197376 Russia

KEYWORDS: check-list, Zentral’no-Lesnoi Biosphere Nature Reserve, mosses, hepatics, rare species declining, epiphytic bryophytes.

ABSTRACT. Zentral'no-Lesnoj Biosphere Nature Reserve is situated in the Russian plain, in the southern part of Valdaj Hills, 56° 26'-56° 36'N - 32° 42'-33° 05'E, 240-300 m alt.; its territory is 230 sq. km. 150 species of mosses and 45 hepatics have been found in the reserve (not including doubtful literature records). An annotated list and dicussion on general bryophyte complexes of reserve are given. A collection of V. Medvedskaya-Romanenko, made in 1938 allows evaluation of changes in bryoflora since that time. The main changes: (1) epixylic hepatic flora has become poorer, and some rare species (Bazzania tricrenata, Diplophyllum taxifolium) are probably disappeared; (2) Hamatocaulis vernicosus, a moss of minerotrophic bogs, has not been recollected; (3) southern epiphytic mosses have probably become rarer (Anomodon viticulosus, Hypnum vaucheri haven't been found); Leucodon sciuroides and Anomodon longifolius were found on only one trunk each. Pylaisiella selwynii can be considered to have recently become established in the flora of this area.

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