Ribes petraeum Wulfen

f)	Forested Ledum palustre—Sphagnum bog
on flat top of escarpment in Abies—Pinus—
Larix—Populus forest, with Bergenia
crassifolia, Lycopodium annotinum, Mitella
nuda, Trollius asiaticus. Alt. 970 m (3200 ft.
H. H. Iltis
J. C. Coffey
M. F. Denton
I. M. Krasnoborov
29 June 1979
no. m
4th field expedition conducted to the U.S.S.R. under the USA/USSR
Cooperative Agreement in the Protection of the Environment, Project
IV.I - Protection of Native Species of Flora. Sponsored by the Cary
Arboretum of the New York Botanical Garden.
T TCCD South Central SIBERIA
l^OOlV^ (Region of LAKE BAIKAL)
Ribes altissimum Turcz. ex Pojark.
l-2m tall shrub^near stream.
Along path up steep (600m high), forested
SE-facing escarpment of Primorskii Khrebet
I» Range) along Lake Baikal, ca. 1-3 km SSU
of BUKHTA (= Bay) PESCHANAYA (= Sandy Bay) ,
ca. 89 km NE of mouth of Angara River.
52°22’N, 105°50’E
H. H. Iltis
J. C. Coffey
M. F. Denton
I. M. Krasnoborov
Alt.
ca. 480-970m
(1580-3200 V)
29 June 1979
no. in
NEW YORK BOTANICAL GARDEN
04757000
4th field expedition conducted to the U S S R under the USA
Cooperative Agreement in the Protection of the Environment Pr
IV.I - Protection of Native Species of Flora. Sponsored bv the r-
Arboretum of the New York Botanical Garden.	'
a) Dry, sunny, secondary Pinus sylvestris—
Larix sibirica forest (burned and cut ca.
50 years ago) with Cladonia spp. and open,
or with dense Rhododendron dahuricum shrub
layer, on gentle lower "slopes. Alt. ca.
480-730m (1580-2400’)
{b) Mesic secondary Pinus sylvestris—Larix
sibirica—Populus tremula forest succeeded
by young Pinus sibirica, Abies sibirica,
and Betula pendula, with Rhododendron
dahuricum—Alnus understory, on steep
midslopes. Alt. 670-880m (2200-2900’)
c) Shaded Alnus—Populus streamsides with
Saxifraga punctata, Aconitum czekanovskyi,
Lonicera altaica, and ferns. Alt. ca.
760m (2500’)
d) Pure stands of Populus tremula with
occasional giant Larix and Pinus sylvestris,
succession as in ”b)" with Aconitum
barbatum, A. septentrionale (= excelsum,
the two spp. introgressing?), Cimicifuga
foetida. Alt. 760-910m (2500-3000’)
TTCCD South Central SIBERIA
UOÖIV(Region of LAKE BAIKAL)
e)	Moist-mesic forest of Abies sibirica—
Pinus sibirica—V_. sylvestris—Larix
sibirica—Populus tremula, on steepest
upper slopes, with lush herbaceous cover
of Lilium martagón, Aconitum (3 spp.),
Cimicifuga, Cacalia hastata. Alt. 880-910 m
04757000