'Betula' flourished and spread unencumbered, transforming large regions of grassland into forests.    From Wordnik.com.  [TreeHugger] Reference

"Betula," says the first voice sharply, "just because you happen to have a silver complexion there is no need to be a minx.    From Wordnik.com.  [Try Anything Twice] Reference

Betula utilis, and a large number of medicinal plants.    From Wordnik.com.  [Western Himalayan subalpine conifer forests] Reference

Hills, but on crossing a high ridge on which I observed Betula Populus?.    From Wordnik.com.  [Journals of Travels in Assam, Burma, Bhootan, Afghanistan and the Neighbouring Countries] Reference

Secondary forests of Populus bonatti and Betula utilis stabilize steep hillsides.    From Wordnik.com.  [Nujiang Langcang Gorge alpine conifer and mixed forests] Reference

River valleys support birch (Betula tianshanica) and sea buckthorn (Hippophae rhamnoides).    From Wordnik.com.  [Tian Shan foothill arid steppe] Reference

Carpinus sp., and Ulmus spp.; and small-leaf species such as Populus tremula and Betula spp.    From Wordnik.com.  [West Siberian broadleaf and mixed forests] Reference

Birch (Betula utilis) is probably the most common of these broadleaved subalpine associates.    From Wordnik.com.  [Northeastern Himalayan subalpine conifer forests] Reference

Environmental control and intersite variations of phenolics in Betula nana in tundra ecosystems.    From Wordnik.com.  [Effects of changes in climate and UV radiation levels on structure of arctic ecosystems in the short and long term] Reference

Larch (Larix cajanderi) tree stands accompanied by Betula pendula are found throughout the region.    From Wordnik.com.  [Northeast Siberian taiga] Reference

These species include, among others, cloudberry (Rubus chamaemorus), and dwarf birch (Betula nana).    From Wordnik.com.  [Central European mixed forests] Reference

Developmental plasticity allows Betula nana to dominate tundra subjected to an altered environment.    From Wordnik.com.  [Effects of changes in climate and UV radiation levels on function of arctic ecosystems in the short and long term] Reference

The temperate forests are characterized by Alnus nepalensis, Betula cylindrostachya, Castanopsis spp.    From Wordnik.com.  [Northern Triangle temperate forests] Reference

Developmental plasticity allows '' Betula nana '' to dominate tundra subjected to an altered environment.    From Wordnik.com.  [Phenotypic responses of arctic species to changes in climate and ultraviolet-B radiation] Reference

The direct effects of UV-B radiation on Betula pubescens litter decomposing at four European field sites.    From Wordnik.com.  [Effects of changes in climate and UV radiation levels on structure of arctic ecosystems in the short and long term] Reference

In the valleys are forests of dwarf birch Betula rotundifolia, shrubby willows and pea shrub Caragana spp.    From Wordnik.com.  [Uvs Nuur Basin, Russian Federation, Republic of Tuva and Mongolia] Reference

Patches of pure birch (Betula utilis) represent a pioneer stage that climaxes as a Betula-Abies mixed forest.    From Wordnik.com.  [Eastern Himalayan subalpine conifer forests] Reference

The monkey forages on foliose lichen and the young leaves and shoots of trees like Betula spp. and Sorbus spp.    From Wordnik.com.  [Nujiang Langcang Gorge alpine conifer and mixed forests] Reference

Paper birch (Betula papyrifera), aspen (Populus tremuloides), and black spruce are typical of disturbed sites.    From Wordnik.com.  [Eastern Canadian forests] Reference

The direct effects of UV-B radiation on '' Betula pubescens '' litter decomposing at four European field sites.    From Wordnik.com.  [Phenotypic responses of arctic species to changes in climate and ultraviolet-B radiation] Reference

The shrub component includes dwarf birch (Betula sp.), Labrador tea (Ledum decumbens), and willow (Salix spp.).    From Wordnik.com.  [Northwest Territories taiga] Reference

Brushwood associations on the peat soils are composed mainly of Salix cinerea, Betula humilis and Pinus silvestris.    From Wordnik.com.  [Bialowieza Forest, Poland] Reference

Their tree canopy consists of Betula pendula accompanied by Betula alba, Populus tremula and, rarely, Tilia species.    From Wordnik.com.  [West Siberian broadleaf and mixed forests] Reference

At the commencement of the principal descent we gathered Betula and another Cupulifera, both moderately sized trees.    From Wordnik.com.  [Journals of Travels in Assam, Burma, Bhootan, Afghanistan and the Neighbouring Countries] Reference

Effects of longterm, elevated ultraviolet-B radiation on phytochemicals in the bark of silver birch (Betula pendula).    From Wordnik.com.  [Effects of ultraviolet-B on forest vegetation in the Arctic] Reference

The shrub layer consists of dwarf birch (Betula spp.), willow (Salix spp.), and northern Labrador tea (Ledum decumbens).    From Wordnik.com.  [Southern Hudson Bay taiga] Reference

The many wetland areas support low scrub bog communities dominated by birch (Betula glandulosa and B. nana) and ericaceous shrubs.    From Wordnik.com.  [Copper Plateau taiga] Reference

Broadleaf trees include birch (Betula platyphylla), poplar (Populus spp.), willow (Salix rorida) and Mongolian oak (Quercus mongolica).    From Wordnik.com.  [Manchurian mixed forests] Reference

Interactive effect of springtime frost and elevated ozone on early growth, foliar injuries and leaf structure of birch (Betula pendula).    From Wordnik.com.  [Use and evaluation of the ACIA forest and agriculture scenarios] Reference

Toward the south, the proportion of pine-larch and pine forests increases, and small leaf forests with Betula and Populus begin to appear.    From Wordnik.com.  [East Siberian taiga] Reference

Several mixed oak forests are also found in the ecoregion, dominated by Quercus robur and Betula pendula, or Q. robur and Fagus sylvatica.    From Wordnik.com.  [Atlantic mixed forests] Reference

Between 2,000 and 2,300 m, these forests give way to birch Betula pendula and B. litwinowii, and maples Acer laetum and A. trautvetteriare.    From Wordnik.com.  [Western Caucasus, Russian Federation] Reference