Poa sibirica Roshev.

T Tp CD South Central SIBERIA
UoOIV (Region of LAKE BAIKAL)
POA SIBIRICA Roshev.
Moist, mesic site than #114.
Along path up steep (600m high), forested
SE-facing escarpment of Primorskii Khrebet
(= Range) along Lake Baikal, ca. 1-3 km SST.-
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')
29 June 1979
No
. 114«
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.
»1
TTCQR South Central SIBERIA
UOOlV(Region of LAKE BAIKAL)
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)M with Aconitum
barbatum, A. septentrionale (= excelsum,
the two spp. introgressing?), Cimicifuga
foetida. Alt. 760-910m (2500-3000')
e)	Moist-mesic forest of Abies sibirica—
Pinus sibirica—P. sylvestris—Larix
sibirica—Populus tremula, on steepest
upper slopes, with lush herbaceous cover
of Lilium martagon, Aconitum (3 spp.),
Cimicifuga, Cacalia hastata. Alt. 880-910 m
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
2 9 June 1979
No.
NEW YORK BOTANICAL GARDEN
04293611
4th field expedition conducted to the U.S.S.R. under the USA/USSR
Cooperative Agreement in the Protection of the Environment, Project
a w ’ Protection of Native Species of Flora. Sponsored bv the Carv
Arboretum of the New York Botanical Garden.
04293611