Sorbus

Rowan (Sorbus aucuparia) and European aspen (Populus tremula) occasionally occur among the birches.

Land tenure and management in the boreal region 2009

Sorbus aucuparia was the previous entry in this blog.

Darwin's Darkest Hour - The Panda's Thumb 2009

After about 20 years without grazing by sheep or deer, this willow forms an understorey with other shrubs to a sparse woodland of birch (Betula pubescens) and rowan (Sorbus aucuparia) trees.

Human impacts on the biodiversity of the Arctic 2009

According to Wikipedia, incidentally, the American mountain ash is Sorbus americana, evidently a closely related species.

Sorbus aucuparia - The Panda's Thumb 2009

The monkey forages on foliose lichen and the young leaves and shoots of trees like Betula spp. and Sorbus spp.

Nujiang Langcang Gorge alpine conifer and mixed forests 2008

The mountain summits are characterized by meadows and cushion scrubs, mainly composed of relict populations of the Alpine pine species (Pinus mugo), with Juniperus nana, Sorbus chamaemespilus, Arctostaphylos uva-ursi, and Vaccinium vitis – idaea as the predominant species that compose the tree canopy.

Appenine deciduous montane forests 2008

At higher elevations, the associated broad-leaved species include mountain ash (Sorbus tianschanica), willow (Salix xerophila), and several birch species including Betula tianschanica, B. verrucosa, and B. microphylla.

Tian Shan montane conifer forests 2008

On the north-facing side, above Wengernalp and below Mittellegigrat, Norway spruce is mixed with dwarf Swiss mountain pine Pinus mugo ssp. mugo, European mountain ash Sorbus aucuparia and silver birch Betula pendula.

Jungfrau-Aletsch-Bietschhorn, Switzerland 2008

Other boreal taxa such as spruce (Picea spp.) and mountain ash (Sorbus spp.) are also recorded in these high-elevation areas.

Central China loess plateau mixed forests 2008

Shrub layer include Rosa majalis, Crataegus sanguinea, Sorbus sibirica, Salix caprea, Viburnum opulus, Spiraea media and some others.

West Siberian broadleaf and mixed forests 2008