Alnus alnobetula subsp. fruticosa (Rupr.) Raus

T	South Central SIBERIA
Region of LAKE BAIKAL)
Alnus fruticosa Rupr.
Shrub 2m tall^ on steep SW-facing slope above
weather station house 52001
N-slope of KHAMAR-DABAN RANGE, at upper
reaches of Slyudyanka River valley, 10-14
km SSW of SLYUDYANKA (SW end of LAKE BAIKAL).
51°33-35 TN, 103°36-38 fE Alt. 900-1850m
(2970-61201)
H. H. Iltis	is juiy 1979
J. C. Coffey
M. F. Denton	No,
4th field expedition conducted to the U.S.S.R. under the USA/USSR
Cooperative Agreement in the Protection of the Environment, Project
^V.I - Protection of Native Species of Flora. Sponsored by the Carv
Arboretum of the New York Botanical Garden.
t TQPT) South Central SIBERIA
UÖOlV (Region of LAKE BAIKAL)
a)	Rocky open Populus suaveolens—Abies
sibirica—Picea obovata—Pinus sylvestris
montane mixed forests along Slyudyanka R.,
with Aconitum czekanovskyi, Delphinium
elatum, etc. Alt. 1000-1400m
b)	Lush moist to wet herbaceous montane—
subalpine meadows and streamsides, with
Delphinium elatum, Aconitum septentrionale
(= excelsum), Salix krilovii, Epilobium
angustifolium, Cirsium heterophyllum.
Alt. 1000-1330m
c)	Exposed dry rocky slopes in valley with
Rhododendron chrysanthum, Vaccinium myrtillus,
Solidago dahurica (virga-aurea), Sibbaldia
procumbens, Dryopteris carthusiana, Carex
globularis. Alt. 1300m
d)	Steep, wooded marble cliffs and slopes
ca. 150m above valley, with Salix vestita,
Mertensia sibirica, Aconitum sukaczevii
(topotype?), Asplénium viride, Woodsia.
(End of road near miners camp). Alt. 1200 m
e)	Mesic subalpine meadows with Aquilegia
glandulosa, Rhaponticum carthamoides,
Pedicularis incarnata, Carex mimula,
_C. spp., C^. perfusca, Crepis lyrata,
Calamagrostis purpurea. Alt. 1330-1500m
(T) Rocky dry open subalpine forest of
Pinus sibirica—Abies sibirica—Betula
pendula-platyphylla, with Rhododendron
chrysanthum, Vaccinium myrtillus, Alnus
fruticosa, Salix krilovii, Lycopodium
alpinum, Nardus stricta, Carex in under-
story. Alt. 1500-1700m
g) Alpine shrub community of Rhododendron
chrysanthum, Phyllodoce coerulea, Pinus
pumila, Salix krilovii, Gentiana algida,
Trollius cf. asiaticus. Alt. 1850m
H. H. Iltis
J. C. Coffey
M. F. Denton
4th field expedition conducted to the U.S.S.R. under the USA/USSI
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.
15 July 1979
No. ^kO
04359494