Porella platyphylla (L.) Pfeiff.

Plants of the Soviet Union
Southwestern Siberia, Altai Mountains
B-65222. Porella platyphylla (L.) Lindb^\aMDoT
var. subsquarrosula Schiffn.
L.S.S.R.:	Russian Soviet Federated Socialist Republic: Gorno-Altaisk
Autonomous Oblast.
2 km SE of Ust-Syema on Katun River, 360 msm; limestone
boulders and outcrops along floodplain; Pinus sylves-
trzs — Be tula pendula forest
I. S. Elias, W. Weber, C. S. Tomb & I. M. Krasnoborov 17 Aug.	1978
Third field expedition conducted to the U.S.S.R. under the USA/USSR
Cooperative Agreement in the Protection of .the Environment, Project
V 1.1 - Protection of Native Species of Flora, Sponsored by the Cary
Arboretum of the New York Botanical Garden.
04467285