Vaucheria species (Vaucheriaceae, Xanthophyceae) from the Northern Dvina River Mouth

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In September 2024, samples with Vaucheria were collected in the Northern Dvina River mouth at the cities of Arkhangelsk and Severodvinsk (Northern European Russia). Five species were identified, including V. synandra, which is a new record for Russia. Vaucheria birostris and V. medusa are newly recorded for the Arkhangelsk Region. The morphology of these species is documented by microphotographs. New localities were established for V. intermedia and V. macounii.

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Sobre autores

V. Vishnyakov

Papanin Institute for Biology of Inland Waters of RAS

Autor responsável pela correspondência
Email: aeonium25@mail.ru
Rússia, Borok, 109, Nekouzskii Dist., Yaroslavl Reg., 152742

D. Moseev

Shirshov Institute of Oceanology of the Russian Academy of Sciences

Email: aeonium25@mail.ru
Rússia, Nakhimovsky Ave., 36, Moscow, 117997

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2. Fig. 1. Morphology of Vaucheria new for Russia and the Arkhangelsk Region from the Northern Dvina River mouth: A–C – V. synandra; D, E – V. birostris, F, G – V. medusa. Symbols: a – androphore, at – antheridium, ec – empty cell, fb – fruiting branch, o – oogonium, tc – terminal oogonial cavity. Scale bars: A, B, D, E, G – 100 µm, C – 30 µm, F – 200 µm.

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