double birch tree (betula l) located in the forest in jozefow, view from below.

tree winter plant branch snow forest nature wilderness woodland leaf autumn spruce frost flower sunlight mountain freezing ice trunk double birch located jozefow view from below betula genus trees shrubs belonging family includes difficult specify number species interspecific hybrids are easily formed within taxonomic status determine about 30-60 usually distinguished45 these plants found northern hemisphere inhabit poor habitats often pioneer grown ornamental mainly for their showy thin white bark also provide valued wood used source sap medicinally family determine distinguished hemisphere species bark wood medicinally