Potentilla nivea L.

4th 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.
Along path through talus.
a) E-facing, cool, moist mossy cliffs ledges
and slopes, with scattered Abies, Pinus, and
Betula on the bottom of inner canyon of
Arshan River; with Paraquilegia microphylla,
Saxifraga oppositifolia, Tofieldia coccinea,
Parnassia laxmannii, Primula farinosa,
Campanula dasyantha, C* turczaninovii and
other alpine taxa (here due to cold-aif
drainage? (at 1200 m)--timber line is 1600 m) .
Dry, exposed, S-facing slopes, talus
and cliff ledges, with scattered Pinus
sylvestris, 10-20m above bottom of inner
canyon, with Cypripedium guttatum,
Saussurea sp., Potentilla nivea, Chamae-
rhodos sp., mat-forming Salix, many lichens.
c) Dry wooded cliff 100m above gorge.
EASTERN SAYAN MOUNTAINS, 1-2 km N of Arshan
along hiking path following the Arshan River
canyon*
I	South	Central SIBERIA
VJOulvBuryat Autonomous Republic
Potentilla nivea L.
d) Mesic to moist Larix sibirica, Betula
endula, Pinus sylvestris forests on very
|p slopes near mouth of canyon of Arshan
er; with Festuca sibirica, Aconitum
septentrionalis, Zigadenus sibiricus,
Melica, Hedysarum, Bupleurum, Saussurea
51°55’N* 102°27’E
H. H* litis.
J. C. Coffey
M* F. Denton
Alt. 1000-1200m
13 July 1979
No.^30
04770738