A dense mossy taiga of the Dahurian larch (Larix gmelinii (Rupr.) Rupr.) on a north-exposed mountain slope. L. gmelinii ranges east of the Yenisei River to Transbaikalia and Yakutia).

The left board of the Budyumkan River valley 5 km of its confluence with the Argun' River 6 km S of the village Uryupino, Gazimurskozavodskoi District, E Chita Province, E Transbaikalia, Siberia, Russia. 27th July 1997. O. Kosterin.