Botanicheskii zhurnal №9 / 2021 . – P. 902-907

DOI: 10.31857/S0006813621090039
Citation database: Scopus

Heading: Флористические находки

Authors: Бобров А. А., Волкова П. А., Иванова М. О., Тихомиров Н. П.

Abstract:
Для о-ва Сахалин впервые приведен новый для флоры России Potamogeton ×orientalis (P. berchtoldii × P. oxyphyllus), а также Stuckenia × suecica (S. filiformis × S. pectinata), Utricularia minor и U. ×ochroleuca (U. intermedia × U. minor). Сделаны дополнения к флоре отдельных геоботанических районов Сахалина: Юго-восточного, Северо-восточного, Южносахалинской низменности и, в особенности, Поронайского. В роде Sparganium обсуждается своеобразная форма из родства S. emersum, а также редкие гибриды S. hyperboreum с S. angustifolium и S. natans.

Keywords: водные сосудистые растения, Дальний Восток, Сахалинская область, флористические находки

Name in english: Additions to the list of aquatic vascular plants of Sakhalin Island

Abstract in english:
Special (although brief) investigations of aquatic vascular plants on Sakhalin Island let us reveal four taxa newto the island: Potamogeton × orientalis (P. berchtoldii × P. oxyphyllus), new to Russia, as well as Stuckenia×suecica (S. filiformis × S. pectinata), Utricularia minor and U. × ochroleuca (U. intermedia × U. minor), new to Sakhalin. We also supplemented floristic lists of different geobotanical districts of Sakhalin. We found Sparganium gramineum for the first time in Southeastern district. Stuckenia pectinata, Potamogeton perfoliatus and Spirodela polyrhiza are reported for the first time in the South-Sakhalin lowland, and Myriophyllum sibiricum for the Lamanonskii coastal district. There are also novelties for the Northeastern district: Lemna turionifera,Potamogeton berchtoldii and Zostera japonica. Most additions were made for the flora of the Poronayskii district (Callitriche palustris, Lemna turionifera, Myriophyllum spicatum, M. verticillatum, Ruppia maritima, Sparganium angustifolium, S. gramineum, Spirodela polyrhiza, Utricularia intermedia). In the genus Sparganium, we discussed separately a peculiar form of the S. emersum affinity as well as rare hybrids of S. hyperboreum with S. angustifolium and S. natans.
We treat our investigations as preliminary and suppose that longer studies of Sakhalin aquatic flora will give new additional information. Special attention should be paid to almost unstudied Northwestern district, and also Southwestern district, belonging to separate geobotanical subzone.

Keywords in English: aquatic vascular plants, Russian Far East, floristic findings, Russia, Sakhalin Region

Hidden entry: no