Gymnocarpium dryopteris (L.) Newm., Oak Fern.

The Dahurian larch (Larix gmelinii (Rupr.) Rupr.) taiga in the Polovinnaya Pad' valley few kilometres of the Argun' River left bank 13 km S of the village Uryupino, Gazimurskozavodskoi District, E Chita Province, E Transbaikalia, Siberia, Russia. 28th July 1997. O. Kosterin.