Psorula rufonigra (Tuck.) Gotth.Schneid.

Plants of the Soviet Union
Southwestern Siberia, Altai Mountains
L-68203. Lecidea rufonigra (Tuck..) Nyl.
U.S.S.R.: Russian Soviet Federated Socialist Republic: Gorno-Altaisk
Autonomous Oblast.
SW-facing steep slopes of terraces just above mouth
of Chuya River, 650-700 msm;on stair-step rock outcrop
receiving seasonal seepage water; arid steppe vegeta-
tion of Caragana pygmaea and Pentaphylloides parviflora
T. S. Elias, W. Weber, C. S. Tomb & I. M. Krasnoborov 21 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
VI.I - Protection of Native Species of Flora. Sponsored by the Cary
Arboretum of the New York Botanical Garden.
MMN
04511680