Ignatova E.A.1, Kuznetsova O.I.2, Ignatov M.S.2, Köckinger H.3 2012. The genera Oxystegus and Pseudosymblepharis (Pottiaceae, Bryophyta) in the Caucasus // Arctoa. Vol. 21: 173–180 [in English].

1 Biological Faculty, Moscow State University, Moscow 119234 Russia; e-mail: arctoa@list.ru

2 Tsitsin Main Botanical Garden of Russian Academy of Sciences, Botanicheskaya 4, Moscow 127276 Russia; e-mails: oikuznets@gmail.com , misha_ignatov@list.ru

3 Roseggergasse 12, A-8741 Weisskirchen, Austria; e-mail: heribert.koeckinger@aon.at

KEYWORDS: Caucasus, ITS, mosses, Oxystegus, Pottiaceae, Pseudosymblepharis, Russia.

ABSTRACT. In the course of recent floristic studies in the Caucasus, Oxystegus daldinianus (De Not.) Köckinger, O. Werner & Ros was collected  in the Black Sea coastal area, and two specimens from Dagestan were identified as Pseudosymblepharis bombayensis (Müll. Hal.) P. Sollman. Both species are newly recorded for Russia. Two localities of O. daldinianus and one of P. bombayensis were revealed in Georgia based on re-identified herbarium collections. Distinctiveness of these species based both on morphological characters and nuclear ITS sequences is discussed.

doi 10.15298/arctoa.21.15

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